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AN17000A PANASONIC

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Manufacturer or author: Provided By digicamel.com
PDF pages: 25

Technical content

1Publication date: December 2001 SDC00042BEB AN17000A Audio signal processing IC for notebook PC I Overview AN17000A has a speaker power amplifier, head- phone power amplifier, line amplifier, electronic volume and a bass boost circuit for notebook PC. This IC adopts a small thin package, enabling com- pact and a space saving set. I Features

Possible speaker power is 1 W × 2-ch. : 8 Ω output at VCC = 5 V or 0.5 W × 2-ch. : 8 Ω output at VCC = 5 V
A gain and frequency response of bass boost can be adjusted with external components
Each amplifiers has a standby and mute switch
Small outline thin package (1.0 mm) I Applications
Notebook PC
LCD monitor with speakers for PC HSOP056-P-0300A (Lead-free package) Unit: mm I Block Diagram Speaker amplifier with bass boost

5 V , 8 Ω, 1 W

14.00±0.10 0.20±0.05(0.25) (1.00) 0° to 8° 0.50±0.10 0.15 ±0.05 Seating plane Seating plane (6.90) (5.45) 56 29 281 (2.25) (3.70) 6.10±0.100.10±0.10 8.10±0.201.20 max. (1.00) 0.50 M0.10 0.10 Area of no resin flash

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I Application Circuit Example 29 28 2631 1554 Out-R (line) Out-L (line) Mute (line) Beep control (line) V CC1 (SP) VCC2 (SP) In-R (line) VCC3 (SP) Line- mute HP- mute SP- mute R.F. R.F. V olume V olume Bass boost Bass boost 4.7 µF 1 µF 1 µF 75 kΩ 0.68 µF Mute (HP) VCC (HP) Standby (HP/line) VREF (HP/line) V olume Beep control (HP) Mute (SP) 10 kΩ 51 kΩ 4.7 µF Out-L (SP) 10 kΩ 75 kΩ 50 kΩ 0.68 µF 4.7 µF 0.1 µF 4.7 µF 0.1 µF 1 µF 75 kΩ 10 kΩ 220 kΩ 75 kΩ Standby (SP) Bass SW Bass AGC 0.68 µF 47 µF HP jack Out-R (HP) HP 32 Ω Out-L (HP) VCC1 (HP) VCC2 (HP) In-R (HP) In-L (HP) 0.68 µF 1 µF Out-R (SP) In-L (SP) In-R (SP) 12 kΩ 12 kΩ 220 µF 1 µF In-L (line) 1 µF 1 µF 1 µF 33 kΩ 30 kΩ 30 kΩ Beep 220 µF 1 µF 26 dB 26 dB 26 dB 26 dB 0 dB 14 dB 14 dB 0 dB 6 dB 6 dB Note) *1: Beep input notes Don't set the input level to pin 22 to − 0.3 V or less. *2: Connect pin 32 and pin 34 to GND with a resistor of 1 k Ω or more resistance respectively. *3: Pin36 Short: 0.5 W; Open: 1 W

Pin No. Description 1 Power supply (R-ch. speaker power use) 2 R-ch. speaker output 1 3 R-ch. speaker output 2 4N . C . 5 GND (R-ch. SP power use)

6 Bass boost capacitor 1

7 Speaker R-ch. input 8 Speaker L-ch. input

9 Ripple filter (SP)

10 Power supply (Speaker small signal use)

11 L-ch. headphone output 12 R-ch. headphone output

13 GND (HP power use)

14 GND (HP small signal use)

15 N.C.

16 Power supply (HP power use)

17 Power supply (HP small signal use)

18 N.C. 19 N.C. 20 N.C. 21 N.C.

22 Beep input

23 N.C. 24 Headphone R-ch. input 2 25 Headphone L-ch. input 1 26 N.C. 27 Line amplifier L-ch. input 28 Line amplifier R-ch. input Pin No. Description 29 Line amplifier R-ch. output

30 GND (line small signal use)

31 Line amplifier L-ch. output

32 Beep control (line)

33 Line mute control

34 Beep control (HP)

35 HP mute control

36 Speaker power selector

37 Ripple filter 1

38 GND (Small signal use)

39 Volume control

40 Ripple filter 2

41 Standby (HP/line)

42 N.C.

43 SP mute control

44 Standby (SP)

45 R1 for bass boost gain

46 R2 for bass boost gain

47 Bass boost capacitor 2

48 Bass boost capacitor 3

49 Bass boost capacitor 4

50 Bass boost AGC

51 Bass boost control

52 GND (L-ch. SP power use) 53 N.C. 54 L-ch. speaker output 2 55 L-ch. speaker output 1 56 Power supply (L-ch. speaker power use)

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Note) *1: Except for the operating ambient temperature and storage temperature, all ratings are for T a = 25°C. *2: Without signal *3: Ta = 75°C, mounted on standard board. I Absolute Maximum Ratings Parameter Symbol Rating Unit Supply voltage *2 VCC 5.75 V Supply current I CC 1 200 mA Power dissipation *3 PD 0.517 W Operating ambient temperature *1 Topr −25 to +75 °C Storage temperature *1 Tstg −55 to +150 °C I Recommended Operating Range Parameter Symbol Range Unit Supply voltage V CC 4.5 to 5.5 V I Electrical Characteristics at f = 1 kHz, V CC = 5 V, T a = 25°C Parameter Symbol Conditions Min Typ Max Unit Quiescent circuit current 1 I T1 Current of VCC1(SP) , VCC2(SP) ,  7.5 13.1 mA VCC3(SP) = 5 V/(no load) Quiescent circuit current 2 I T2 Current of VCC1(HP) , VCC2(HP) = 5 V/(no load)  15 20 mA Standby current 1 I ST1 STB: On current of VCC1(SP) ,  0.1 50 µA VCC2(SP) , VCC3(SP) = 5 V Standby current 2 I ST2 STB: On current of VCC1(HP) , VCC2(HP) = 5 V  0.1 50 µA Speaker amplifier (RL = 8 Ω) L-ch. output voltage level *1 VSPL VIN = −10 dBV 1.5 4.0 6.5 dBV Pin 36: Open R-ch. output voltage level *1 VSPR VIN = −10 dBV 1.5 4.0 6.5 dBV Pin 36: Open L-ch. total harmonic TH SL VIN = −10 dBV  0.2 0.5 % distortion *1 Pin 36: Open R-ch. total harmonic TH SR VIN = −10 dBV  0.2 0.5 % distortion *1 Pin 36: Open L-ch. max. output power *1 VMAXSL THD = 1% 0.7 0.8  W Pin 36: Open R-ch. max. output power *1 VMAXSR THD = 1% 0.7 0.8  W Pin 36: Open L-ch. max. output power 1 *1 VMAXS1L THD = 1% 0.3 0.4  W Pin 36: Short to GND R-ch. max. output power 1 *1 VMAXS1R THD = 1% 0.3 0.4  W Pin 36: Short to GND L-ch. output noise voltage *2 VNSL Rg = 1 kΩ − 80 −70 dBV Pin 36: Open Note) *1: DIN audio filter is used. *2: A-curve filter is used.

I Electrical Characteristics at f = 1 kHz, VCC = 5 V, Ta = 25°C (continude) Parameter Symbol Conditions Min Typ Max Unit Speaker amplifier (continued) (RL = 8 Ω) R-ch. output noise voltage *2 VNSR Rg = 1 kΩ − 80 −70 dBV Pin 36: Open Channel balance CHB S VIN = −10 dBV −10 1 d B Pin 36: Open L-ch. crosstalk *1 CTLSLR VIN = −10 dBV 70 80  dB Pin 36: Open R-ch. crosstalk *1 CTLSRL VIN = −10 dBV 70 80  dB Pin 36: Open L-ch. mute attenuation *1 VMUSL VIN = −10 dBV 70 80  dB Pin 36: Open R-ch. mute attenuation *1 VMUSR VIN = −10 dBV 70 80  dB Pin 36: Open Headphone amplifier (RL = 32 Ω) L-ch. output voltage level *1 VHPL VIN = −10 dBV, RL = 32 Ω− 8.4 −5.0 −2.5 dBV R-ch. output voltage level *1 VHPR VIN = −10 dBV, RL = 32 Ω− 8.4 −5.0 −2.5 dBV L-ch. total harmonic distortion *1 THHL VOUT = −14 dBV, RL = 32 Ω 0.03 0.1 % R-ch. total harmonic distortion *1 THHR VOUT = −14 dBV, RL = 32 Ω 0.03 0.1 % L-ch. max. output level *1 VMAHL5 THD = 1%, RL = 10 kΩ 0.0  dBV R-ch. max. output level *1 VMAHR5 THD = 1%, RL = 10 kΩ 0.0  dBV L-ch. output noise voltage *2 VNHL Rg = 1 kΩ − 90 −80 dBV R-ch. output noise voltage *2 VNHR Rg = 1 kΩ − 90 −80 dBV Channel balance CHB H VIN = −10 dBV, RL = 32 Ω− 20 2 d B L-ch. crosstalk *1 CTLHLR VIN = −10 dBV, RL = 32 Ω 60 70  dB f = 10 kHz R-ch. crosstalk *1 CTLHRL VIN = −10 dBV, RL = 32 Ω 60 70  dB f = 10 kHz L-ch. mute attenuation *1 VMUHL VIN = −10 dBV, RL = 32 Ω 70 80  dB R-ch. mute attenuation *1 VMUHR VIN = −10 dBV, RL = 32 Ω 70 80  dB Volume L-ch. middle voltage gain *1 VOLL VIN = −20 dBV, Vol = 1/2 VCC −34.5 −32.0 −29.5 dBV R-ch. middle voltage gain *1 VOLR VIN = −20 dBV, Vol = 1/2 VCC −34.5 −32.0 −29.5 dBV Middle channel balance V CHB VIN = −20 dBV, Vol = 1/2 VCC −20 2 d B L-ch. volume attenuation *1 VOLNL VIN = −10 dBV, Vol = 0 V 70 80  dB R-ch. volume attenuation *1 VOLNR VIN = −10 dBV, Vol = 0 V 70 80  dB Note) *1: DIN audio filter is used. *2: A-curve filter is used.

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Parameter Symbol Conditions Min Typ Max Unit Line amplifier L-ch. output voltage level *1 VHLL VIN = −10 dBV, RL = 10 kΩ− 6.0 −4.0 −2.0 dBV R-ch. output voltage level *1 VHLR VIN = −10 dBV, RL = 10 kΩ− 6.0 −4.0 −2.0 dBV L-ch. total harmonic distortion *1 THLL VIN = −10 dBV, RL = 10 kΩ 0.01 0.03 % R-ch. total harmonic distortion *1 THLR VIN = −10 dBV, RL = 10 kΩ 0.01 0.03 % L-ch. max. output level *1 VMALL5 THD = 1%, RL = 10 kΩ 0.0  dBV R-ch. max. output level *1 VMALR5 THD = 1%, RL = 10 kΩ 0.0  dBV L-ch. output noise voltage *2 VNLL Rg = 1 kΩ − 100 −90 dBV R-ch. output noise voltage *2 VNLR Rg = 1 kΩ − 100 −90 dBV Channel balance CHB L VIN = −10 dBV, RL = 10 kΩ− 10 1 d B L-ch. crosstalk *1 CTLLLR VIN = −10 dBV, RL = 10 kΩ 60 70  dB f = 10 kHz R-ch. crosstalk *1 CTLLRL VIN = −10 dBV, RL = 10 kΩ 60 70  dB f = 10 kHz L-ch. mute attenuation *1 VMUHL VIN = −10 dBV, RL = 10 kΩ 70 80  dB R-ch. mute attenuation *1 VMUHR VIN = −10 dBV, RL = 10 kΩ 70 80  dB Switching level HP mute on HMU ON GND  0.8 V HP mute off HMU OF 2.0  5.5 V HP standby on HST ON GND  0.8 V HP standby off HST OF 2.0  5.5 V SP mute on SMU ON GND  0.8 V SP mute off SMU OF 2.0  5.5 V SP standby on SST ON GND  0.8 V SP standby off SST OF 2.0  5.5 V Bass boost off BAS OF GND  0.8 V Bass boost on BAS ON 2.0  5.5 V Line mute on LMU ON GND  0.8 V Line mute off LMU OF 2.0  5.5 V I Electrical Characteristics at f = 1 kHz, VCC = 5 V, Ta = 25°C (continude) Note) *1: DIN audio filter is used. *2: A-curve filter is used.

Parameter Symbol Conditions Min Typ Max Unit L-ch. ripple rejection RJ SPL fr = 1 kHz, Vr = −20 dBV  60  dB (Speaker amplifier) *1 R-ch. ripple rejection RJ SPR fr = 1 kHz, Vr = −20 dBV  60  dB (Speaker amplifier) *1 L-ch. ripple rejection RJ HPL fr = 1 kHz, Vr = −20 dBV  60  dB (Headphone amplifier) *1 R-ch. ripple rejection RJ HPR fr = 1 kHz, Vr = −20 dBV  60  dB (Headphone amplifier) *1 L-ch. ripple rejection RJ LIL fr = 1 kHz, Vr = −20 dBV  60  dB (Line amplifier) *1 R-ch. ripple rejection RJ LIR fr = 1 kHz, Vr = −20 dBV  60  dB (Line amplifier) *1 L-ch. output offset voltage V OFSL Rg = 0 Ω− 100 0 100 mV R-ch. output offset voltage V OFSR Rg = 0 Ω− 100 0 100 mV L-ch. max. output power 2 *1 VMAXSL THD = 10%  1  W Pin 36: Open R-ch. max. output power 2 *1 VMAXSR THD = 10%  1  W Pin 36: Open Note) *1: DIN audio filter is used. I Electrical Characteristics at f = 1 kHz, VCC = 5 V, Ta = 25°C (continude)

Design reference data Note) The characteristics listed below are theoretical values based on the IC design and are not guaranteed. I Terminal Equivalent Circuits Pin No. Equivalent circuit Description Voltage 1  VCCRSP: 5 V R-ch. speaker amplifier power supply pin 2 SPOR1: 2.3 V R-ch. speaker amplifier output pin 1 3 SPOR2: 2.3 V R-ch. speaker amplifier output pin 2 5GND VCC 5GND V CC

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Pin No. Equivalent circuit Description Voltage 4  N.C.  5  GNDRSP: 0 V Ground pin for the power of R-ch. speaker amplifier 6 BASSC1: 2.3 V Pin for the capacitor 1 connected to the LPF output at the 1st stage of bass boost 7 SPINR: 2.3 V Speaker amplifier R-ch. input pin 8 SPINL: 2.3 V Speaker amplifier L-ch. input pin I Terminal Equivalent Circuits (continude) 620 kΩ 0.5 kΩ 20 kΩ GND GND VCC VCC VCC 2 kΩ 2.3 V 0.5 kΩ GND VCC 2 kΩ 2.3 V 0.5 kΩ GND VCC

Pin No. Equivalent circuit Description Voltage 9 RFSP: 2.8 V Speaker amplifier ripple filter pin 10  VCCSSP: 5 V Speaker amplifier small signal power supply pin 11 HPOL: 2.15 V L-ch. headphone amplifier output pin 12 HPOR: 2.15 V R-ch. headphone amplifier output pin 13  GNDPHP: 0 V Ground pin for the power of head- phone amplifier 14  GNDSHP: 0 V Ground pin for the headphone ampli- fier small signal 15  N.C.  16  VCCPHP: 5 V Headphone amplifier power supply pin 17  VCCSHP: 5 V Headphone amplifier small signal power supply pin I Terminal Equivalent Circuits (continude) 54 kΩ 53 kΩ 0.5 kΩ 0.5 kΩ 5 kΩ 13GND VCC 13GND V CC

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Pin No. Equivalent circuit Description Voltage 18  N.C.  19  N.C.  20  N.C.  21  N.C.  22 BEEPIN: 1.0 V Beep input pin 23  N.C.  24 HPINR2: 1.4 V Headphone amplifier R-ch. input pin 2 25 HPINL1: 1.4 V Headphone amplifier L-ch. input pin 1 26  N.C.  27 LINEINL: 2.5 V Line amplifier L-ch. input pin I Terminal Equivalent Circuits (continude) 20 kΩ 1.4 V 0.5 kΩ GND VCC 20 kΩ 1.4 V 1 kΩ GND VCC 20 kΩ 1.4 V 1 kΩ GND VCC 50 kΩ 2.5 V 0.5 kΩ GND VCC

Pin No. Equivalent circuit Description Voltage 28 LINEINR: 2.5 V Line amplifier R-ch. input pin 29 LINEOUTR: 2.15 V Line amplifier R-ch. output pin 30  LINEGND: 0 V Ground pin for line amplifier 31 LINEOUTL: 2.15 V Line amplifier L-ch. output pin 32 BEEPCL: 0.1 V Line amplifier beep output control pin I Terminal Equivalent Circuits (continude) 50 kΩ 2.5 V 0.5 kΩ GND VCC 0.1 kΩ GND VCC 20 kΩ 20 kΩ 2.15 V 0.1 kΩ GND VCC 20 kΩ 20 kΩ 2.15 V 1 kΩ10 kΩ GND VCC

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Pin No. Equivalent circuit Description Voltage

33 LINEMU: 

Line amplifier mute control pin 34 BEEPCH: 0.1 V Headphone amplifier beep output control pin

35 MUTEHP: 

Headphone amplifier mute control pin 36  SPPWSW:  Speaker power selector pin I Terminal Equivalent Circuits (continude) 18 kΩ 100 kΩ 0.5 kΩ GND 1 kΩ10 kΩ GND VCC GND VCC 200 kΩ500 Ω 3.9 V VCC GND

Pin No. Equivalent circuit Description Voltage 37 RFHP: 4.9 V Headphone amplifier ripple filter pin 38  GNDSSP: 0 V Ground pin for the speaker amplifier small signal

39 VOLC: 

40 RFLINE: 4.9 V Line amplifier ripple filter pin

41 STAHPLI: 

Headphone amplifier/line amplifier standby pin 42  N.C.  I Terminal Equivalent Circuits (continude) 115 kΩ 0.5 kΩ 40 kΩ VCC GND 25 kΩ 1 kΩ 235 kΩ VCC GND 140 kΩ 40 0.5 kΩ 225 kΩ 220 kΩ GND VCC 18 kΩ 100 kΩ 5 kΩ GND

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Pin No. Equivalent circuit Description Voltage

43 MUTESP: 

Speaker amplifier mute control pin

44 STASP: 

Speaker amplifier standby pin 45, 46 BASSR1, BASSR2: 2.3 V Bass boost gain setting pins 47 BASSC2: 2.3 V Pin for the capacitor 2 connected to the LPF output at the 2nd stage of bass boost 48, 49 BASSD1, BASSD2: 2.3 V Bass boost capacitor connection pins I Terminal Equivalent Circuits (continude) 18 kΩ 100 kΩ 0.5 kΩ GND 0.5 kΩ 0.5 kΩ GND VCC GND VCC 200 kΩ500 Ω 3.9 V 0.5 kΩ 10 kΩ GND VCC 0.5 kΩ 1 kΩ GND VCC 4948 1 kΩ

Pin No. Equivalent circuit Description Voltage

50 BASSAGC: 

51 BASSSW: 

Bass boost on/off switch pin 52  GNDLSP: 0 V Ground pin for the power of L-ch. speaker amplifier 53  N.C.  54 SPOL1: 2.3 V L-ch. speaker amplifier output pin 2 55 SPOL2 : 2.3 V L-ch. speaker amplifier output pin 1 56  VCCLSP: 5 V L-ch. speaker amplifier power supply pin I Terminal Equivalent Circuits (continude) 500.5 kΩ430 Ω GND VCC GND VCC 200 kΩ500 Ω 3.9 V 52GND VCC 52GND V CC

16 SDC00042BEB

Pin descriptions

Pin 1 (power supply for R-ch. speaker power use) Please put a capacitor of about 47 µF between pin 1 and pin 5.
Pin 2, pin 3 (R-ch. speaker output) (BTL out)
Pin 4 (N.C.)
Pin 5 (GND for R-ch. speaker power use)
Pin 6, pin 45, pin 46, pin 47, pin 48, pin 49 (bass boost) Following equivalent circuit is for bass boost. 7 20 kΩ 20 kΩ 48 49 10 kΩ R-ch. speaker input L-ch. speaker input LPF1 Amplifier LPF2 DC cut To speaker power amplifier C22 C28 C20 C2 R9 VR4 1) Pin 6 This pin makes first LPF together with internal registors. When a value of C2 is 0.033 µF, cutoff frequency is 500 Hz. 2) Pin 45, pin 46 This gain is GV = VR4 + R9 It is necessary that VR4 = 3.9 kΩ, R9 = 1 kΩ for amplifier gain of five times. The HPF is composed with R9 and C20, then if R9 is 1 k Ω, suitable value of C20 is 3.3 µF. 3) Pin 47 This pin makes second LPF together with internal registors. When a value of C21 is 0.033 µF, cutoff frequency is 500 Hz. 4) Pin 48, pin 49 This purpose is DC cut. Suitable value of C22 is 10 µF (bipolar), because input impeadance of speaker power amplifier is 2 kΩ.
Pin 7, pin 8 (L-ch., R-ch. speaker input) If no resistors are connected to pin 7 and pin 8 from previous stage, the BTL output has the gain of 40 times. If input of 1.4/40 V[rms] or more is possibly inputted, the input should be attenuated by connecting resistors to pin 7 and pin 8 from previous stage because the output dynamic range is about 1.4 V[rms]. The gain at BTL output is 2 kΩ/(R1+2 kΩ) × 40, where R1 and R2 are the resistance of resistors of connected to pin 7 and pin 8 from the previous stage and R1 = R2. Supposing that max output level of headphone is 1 V[rms], suitable value of R1 and R2 is 25 kΩ, because gain of speaker power amplifier is 32 dB.
Pin 9 (ripple filter of speaker amplifier) Recommended value is 1 µF. If capacitor value is bigger, rise time at standby is longer. If capacitor value is smaller, rise time at stanby is shorter, but there are possibilities of pop sound occurrence and deterioration of power supply ripple rejection, cross talk and THD.

I Applicaon Notes (continude) 1. Pin descriptions (continude)

Pin 10 (power supply (speaker small signal use)) Please put a capacitor of 33 µF between GND (pin 38) and pin 10.
Pin 11, pin 12 (L-ch., R-ch. headphone output) In considerration of headphone load, suitable value of C5, C6 is 220 µF.
Pin 13 (GND (headphone power use))
Pin 14 (GND (headphone small signal use))
Pin 15 (N.C.) Pin 15 connects to IC's heat sink.
Pin 16 (power supply (headphone power use)) Please put an about 47 µF capacitor between pin 13 and pin 14.
Pin 17 (power supply (headphone small signal use)) Please put an about 47 µF capacitor between pin 13 and pin 14.
Pin 18, Pin 19, Pin 20, Pin 21 (N.C.)
Pin 22 (beep input) The beep output at head phone (HP) output is 0.864 × 10 kΩ/(1 kΩ+R1) [Vp-p], where R1 is the resistance of the resistor between pin 34 and GND. Suitable value of R3 is 25 kΩ and suitable value of C8 is 1 µF.
Pin 23 (N.C.)
Pin 24, Pin 25 (headphone amplifier L-ch., R-ch. input) Suitable value of C9, C10 is 1 µF, because input impedance of headphone power amplifier is 20 kΩ. If no resistors are connected to pin 24 and pin 25 from previous stage, the headphone amplifier has the gain of about 13 dB (at maximum volume). If input of 1.1/5 V[rms] or more is possibly inputted, the input should be attenuated by connecting resistors to pin 24 and pin 25 from previous stage because the output dynamic range is about 1.1 V[rms]. The gain is 20 kΩ/(R4+20 kΩ) × 4.5, where R4 and R5 are the resistance of resistors connected to pin 24 and pin 25 from the previous stage and R4 = R5.
Pin 26 (N.C.)
Pin 27, Pin 28 (line amplifier L-ch., R-ch. input) Suitable value of C11, C12 is 1 µF, because input impeadance of line amplifier is 50 kΩ. If no resistors are connected to pin 27 and pin 28 from previous stage, the line amplifier has the fixed gain of about 6 dB. If input of 1.1/2 V[rms] or more is possibly inputted, the input should be attenuated by connecting resistors to pin 27 and pin 28 from previous stage because the output dynamic range is about 1.1 V[rms]. The gain is 50 kΩ/(RX+50 kΩ) × 2, where RXs are the resistance of resistors connected to pin 27 and pin 28 from the previous stage.
Pin 29 (line amplifier R-ch. output) Suitable value of C13 is 1 µF.
Pin 30 (GND (line amplifier))
Pin 31 (line amplifier L-ch. output) Suitable value of C14 is 1 µF.
Pin 32 (beep control (line amplifier)) A value of VR1 is bigger, output level is smaller. Around 10 kΩ is suitable as the maximum value for VR1. The beep output at line output is 0.9 × 10 kΩ/(1 kΩ+VR1) V[p-p], where VR1 is the resistance of the resistor between pin 34 and GND.
Pin 33 (line amplifier mute control) Suitable value of R6 is 75 kΩ and suitable value of C15 is 0.68 µF. Rise time is about 20 ms. If value of R and C is smaller, switching time is shorter but there is a possibility of pop sound occurrence.

18 SDC00042BEB

I Applicaon Notes (continude) 1. Pin descriptions (continude)

Pin 34 (beep control (headphone amplifier)) A value of VR2 is bigger, output level is smaller. Around 10 kΩ is suitable as the maximum value for VR2. The beep output at the headphone output is 0.864 × 10 kΩ/(1 kΩ+VR2) V[p-p], where VR2 is the resistance of the resistor between pin 34 and GND.
Pin 35 (headphone amplifier mute control) Suitable value of R7 is 75 kΩ and suitable value of C16 is 0.68 µF. Rise time is about 20 ms. If value of R and C is smaller, switching time is shorter but there is a possibility of pop sound occurrence.
Pin 36 (Speaker power selector) If this pin is left open, output power of 1 W or more is possible. If this pin is short-circuitted to GND, the output power is limited to 0.5 W.
Pin 37 (ripple filter (headphone)) A recommended value is 4.7 µF. If capacitor value is bigger, rise time at standby is longer. If capacitor value is smaller, rise time at standby is shorter, but there are possibilities of pop sound occurrence and deteriorations of power supply ripple rejection and cross talk and THD.
Pin 38 (GND (speaker small signal use))
Pin 39 (volume control) Please put a variable volume of 50 kΩ or more between headphone V CC and headphone GND.
Pin 40 (ripple filter (line amplifier)) A recommended value is 4.7 µF. If capacitor value is bigger, rise time at standby is longer. If capacitor value is smaller, rise time at standby is shorter, but there are possibilities of pop sound occurrence and deteriorations of power supply ripple rejection and cross talk and THD.
Pin 41 (standby (line amplifire, headphone amplifier)) Swichting time depends on value of pin 37 and pin 40 capacitors.
Pin 42 (N.C.) Pin 42 connects to IC's heat sink. 1) Case of not using bass boost Please open pin 6, pin 47, pin 48, pin 49 and pin 50. Please connect pin 51 to GND. Please short between pin 45 and pin 46. 2) Case of not using line amplifire Please open pin 27, pin 28, pin 29, pin 31 and pin 32. Please connect pin 33 to GND.
Pin 43 (speaker mute control) Suitable value of R8 is 75 kΩ, suitable value of C19 is 0.68 µF. Rise time is about 20 ms. If value of R and C is smaller, switching time is shorter, but there is a possibility of pop sound occurrence.
Pin 44 (standby (speaker)) Swichting time depends on value of pin 9 capacitor. If value of C3 is 1 µF, rise time is about 80 ms.

I Applicaon Notes (continude) 1. Pin descriptions (continude)

Pin 45, pin 46, pin 47, pin 48, pin 49 Refer to pin 6.
Pin50 (bass boost AGC) Connect this pin to GND with a resistor of 220 kΩ connected in parallel with a capacitor of 4.7 µF.
Pin 51 (bass boost on/off switch) Suitable value of R11 is 75 kΩ and suitable value of C24 is 0.68 µF. Rise time is about 20 ms. If value of R and C is smaller, switching time is shorter but there is a possibility of pop sound occurrence.
Pin 52 (GND (L-ch. speaker power use))
Pin 53 (N.C.)
Pin 54, pin 55 (L-ch. speaker output) (BTL out)
Pin 56 (power supply (L-ch. speaker power use)) Please put an about 47 µF capacitor between pin 56 and pin 52. I Technical Data 1. P D  Ta curves of HSOP056-P-0300A PD  Ta Power dissipation PD (W) 0.000 0.200 0.400 0.600 0.800 0.862 1.000 1.200 1.400 1.600 1.572 1.800 Independent IC without a heat sink Rth( j-a) = 144.9°C/W 0 25 150 125 Ambient temperature Ta (°C) 50 75 100 Mounted on standard board (glass epoxy: 50 × 50 × t0.8 mm3) Rth(j-a) = 79.5°C/W

20 SDC00042BEB

I Technical Data (continued) 2. Main characteristics 1) SP amplifier (1) 0.5 W mode Gain  Frequency Output level  Input level THD  Frequency THD  Input level Gain (dB) 100100.1 10.01 Frequency (kHz) VCC = 5 V Ta = 27°C L-in, R-in→L-out, R-out Rg = 12 kΩ, RL = 8 Ω HPF: None, LPF: None V IN = 0.316 V[rms] THD (%) 0.01 0.1 100100.1 10.01 Frequency (kHz) VCC = 5 V Ta = 27°C L-in, R-in→L-out, R-out Rg = 12 kΩ, RL = 8 Ω HPF: None, LPF: None V IN = 0.316 V[rms] Output level (mV[rms]) 10 000 1 000 100 0001 00010010 Input level (mV[rms]) VCC = 5 V Ta = 27°C L-in, R-in→L-out, R-out Rg = 12 kΩ, RL = 8 Ω HPF: 400 Hz, LPF: 30 kHz f =1 kHz THD (%) 0.1 100 10 0001 00010010 Input level (mV[rms]) VCC = 5 V Ta = 27°C L-in, R-in→ L-out, R-out R g = 12 kΩ RL = 8 Ω HPF: 400 Hz LPF: 30 kHz f =1 kHz THD  Power THD (%) 0.1 100 100.1 10.001 0.010.000 1 Power (W) VCC = 5 V Ta = 27°C

THD  Frequency THD  Input level I Technical Data (continued) 2. Main characteristics (continued) 1) SP amplifier (continued) (2) 1 W mode Gain  Frequency Output level  Input level THD  Power Gain (dB) 100100.1 10.01 Frequency (kHz) VCC = 5 V Ta = 27°C L-in, R-in→L-out, R-out Rg = 12 kΩ, RL = 8 Ω HPF: None, LPF: None V IN = 0.316 V[rms] Output level (mV[rms]) 10 000 1 000 100 0001 00010010 Input level (mV[rms]) VCC = 5 V Ta = 27°C L-in, R-in→L-out, R-out Rg = 12 kΩ, RL = 8 Ω HPF: 400 Hz, LPF: 30 kHz f = 1 kHz THD (%) 0.01 0.1 100100.1 10.01 Frequency (kHz) VCC = 5 V Ta = 27°C L-in, R-in→L-out, R-out Rg = 12 kΩ, RL = 8 Ω HPF: None, LPF: None V IN = 0.316 V[rms] THD (%) 0.1 100 10 0001 00010010 Input level (mV[rms]) VCC = 5 V Ta = 27°C L-in, R-in→ L-out, R-out R g = 12 kΩ RL = 8 Ω HPF: 400 Hz LPF: 30 kHz f = 1 kHz THD (%) 0.1 100 1010.10.01 Power (W) VCC = 5 V Ta = 27°C

22 SDC00042BEB

THD  Frequency THD  Input level I Technical Data (continued) 2. Main characteristics (continued) 2) HP amplifier (1) V CC = 5 V, Ta = 25°C Gain  Frequency Output level  Input level (2) V CC = 5 V, Ta = 27°C Output level  Input level THD  Input level Gain (dB) 100100.1 10.01 Frequency (kHz) VCC = 5 V Ta = 25°C L-in, R-in→L-out, R-out Rg = 600 Ω, RL = 32 Ω HPF: None, LPF: None V IN = 0.23 V[rms] Output level (mV[rms]) 10 000 1 000 100 0001 00010010 Input level (mV[rms]) VCC = 5 V Ta = 25°C L-in, R-in→ L-out, R-out R g = 600 Ω RL = 32 Ω HPF: 400 Hz LPF: 30 kHz f = 1 kHz THD (%) 0.01 100 0.1 100100.1 10.01 Frequency (kHz) VCC = 5 V Ta = 25°C L-in, R-in→L-out, R-out Rg = 600 Ω, RL = 32 Ω HPF: None, LPF: None V IN = 0.23 V[rms] THD (%) 0.01 100 0.1 10 0001 00010010 Input level (mV[rms]) VCC = 5 V Ta = 25°C L-in, R-in→ L-out, R-out R g = 600 Ω RL = 32 Ω HPF: 400 Hz LPF: 30 kHz f = 1 kHz Output level (mV[rms]) 10 000 1 000 100 0001 00010010 Input level (mV[rms]) VCC = 5 V Ta = 27°C L-in → L-out Rg = 30 kΩ RL = 32 Ω, 10 kΩ HPF: 400 Hz LPF: 30 kHz f = 1 kHz 32 Ω 10 kΩ THD (%) 0.01 100 0.1 10 0001 00010010 Input level (mV[rms]) VCC = 5 V Ta = 27°C L-in → L-out Rg = 30 kΩ RL = 32 Ω, 10 kΩ HPF: 400 Hz LPF: 30 kHz f = 1 kHz 32 Ω 10 kΩ

THD  Frequency THD  Input level I Technical Data (continued) 2. Main characteristics (continued) 3) Line amplifier (1) V CC = 5 V, Ta = 27°C Gain  Frequency Output level  Input level Gain (dB) 100100.1 10.01 Frequency (kHz) VCC = 5 V , Ta = 27°C L-in, R-in→L-out, R-out RG = 0 Ω, RL = 10 kΩ HPF: None, LPF: None V IN = 0.316 V[rms] Output level (mV[rms]) 10 000 1 000 100 0001 00010010 Input level (mV[rms]) VCC = 5 V Ta = 27°C L-in, R-in→ L-out, R-out R g = 0 Ω RL = 10 kΩ HPF: 400 Hz LPF: 30 kHz f = 1 kHz THD (%) 0.01 0.1 100100.1 10.01 Frequency (kHz) VCC = 5 V , Ta = 27°C L-in, R-in→L-out, R-out RG = 0 Ω, RL = 10 kΩ HPF: None, LPF: None V IN = 0.316 V[rms] THD (%) 0.001 100 0.1 0.01 10 000100 1 00010 Input level (mV[rms]) VCC = 5 V , Ta = 27°C L-in, R-in→L-out, R-out Rg = 0 Ω, RL = 10 kΩ HPF: 400 Hz, LPF: 30 kHz f = 1 kHz

24 SDC00042BEB

1) Make sure that the IC is free of otput-V CC short, output-GND short and load short. 2) The thermal protection circuit operates at a T j of approximately 150°C. The thermal protection circuit is reset automatically when the temperature drops. 3) Beep in pin should not be down lower than − 0.3 V. 4) The IC should not be inserted in reverse. 2. The IC has the possibility of break-down as follows. 1) Reverse connection of the V CC and GND pins. 2) The power supply connection to output-pins (pin 55, pin 54, pin 2 and pin 3), when V CC and GND are opened. 3) Output-GND short, when GND pin is opened. 4) Output pins (pin 55, pin 54, pin 2 and pin 3) short to GND. 5) Output pins (pin 55, pin 54, pin 2 and pin 3) short to V CC . 6) Short between outputs. 7) Reverse insertion.

Please read the following notes before using the datasheets A. These materials are intended as a reference to assist customers with the selection of Panasonic semiconductor products best suited to their applications. Due to modification or other reasons, any information contained in this material, such as available product types, technical data, and so on, is subject to change without notice. Customers are advised to contact our semiconductor sales office and obtain the latest information before starting precise technical research and/or purchasing activities. B. Panasonic is endeavoring to continually improve the quality and reliability of these materials but there is always the possibility that further rectifications will be required in the future. Therefore, Panasonic will not assume any liability for any damages arising from any errors etc. that may ap- pear in this material. C. These materials are solely intended for a customer's individual use. Therefore, without the prior written approval of Panasonic, any other use such as reproducing, selling, or distributing this material to a third party, via the Internet or in any other way, is prohibited. Request for your special attention and precautions in using the technical information and semiconductors described in this material (1) An export permit needs to be obtained from the competent authorities of the Japanese Govern- ment if any of the products or technologies described in this material and controlled under the "Foreign Exchange and Foreign Trade Law" is to be exported or taken out of Japan. (2) The technical information described in this material is limited to showing representative character- istics and applied circuit examples of the products. It does not constitute the warranting of industrial property, the granting of relative rights, or the granting of any license. (3) The products described in this material are intended to be used for standard applications or gen- eral electronic equipment (such as office equipment, communications equipment, measuring in- struments and household appliances). Consult our sales staff in advance for information on the following applications:

Special applications (such as for airplanes, aerospace, automobiles, traffic control equipment, combustion equipment, life support systems and safety devices) in which exceptional quality and reliability are required, or if the failure or malfunction of the products may directly jeopardize life or harm the human body.
Any applications other than the standard applications intended. (4) The products and product specifications described in this material are subject to change without notice for reasons of modification and/or improvement. At the final stage of your design, purchas- ing, or use of the products, therefore, ask for the most up-to-date Product Standards in advance to make sure that the latest specifications satisfy your requirements. (5) When designing your equipment, comply with the guaranteed values, in particular those of maxi- mum rating, the range of operating power supply voltage and heat radiation characteristics. Other- wise, we will not be liable for any defect which may arise later in your equipment. Even when the products are used within the guaranteed values, redundant design is recommended, so that such equipment may not violate relevant laws or regulations because of the function of our products. (6) When using products for which dry packing is required, observe the conditions (including shelf life and after-unpacking standby time) agreed upon when specification sheets are individually exchanged. (7) No part of this material may be reprinted or reproduced by any means without written permission from our company.

2001 MAR

Selected Specification

Panasonic Semiconductor AN17000A overview.

Overview

AN17000A is listed in the IC category. Available datasheets include documents from Panasonic Semiconductor. DigiCamel provides a local PDF and searchable HTML technical text for online reference.

Summary

Audio signal processing IC for notebook PC

Description

Audio signal processing IC for notebook PC

Source title AN17000A Datasheet(PDF) - Panasonic Semiconductor

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