AN6164 PANASONIC
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ICs for Telephone Panasonic mK AN6164K, AN6164S Constant Voltage Drive Speech Network . , AN6164K ‘Unit > mm Circuits aa @ Overview | ig Bis FSS The AN6164K and AN6164S are ICs for constant voltage 3 sq 3 E= drive type speech networks. g sq p2i = They incorporate a speaker amplifier and attenuator and suit- od bo | == able for the car telephone and business telephone. 24 br |f=€ bq ae 14 a_i — @ Features a (eee + Capable of interfacing with the piezo-electric receivers and 485023 dynamic receivers Fy + Capable of interfacing with the piezo-electric transmitters and oss ECM type transmitters sustiocaut” . + Balance input for both receiver and transmitter system in order to prevent mixture of humming noises 28-pin Shrunk DIL Plastic Package (SDIPO28-P-0400A) + Capable of muting each ampifier by external control ANG164S Uni mm * Built-in attenuator circuit in the receiver system to allow 7- step adjustment of attenuation (0 to —30dB) with the switch Shan Fa 3 terminals a3 feos | «Built-in standby circuit for the power supply to allow low iff a nos |G Power consumption ; supply current of 15,.A or less in the 36a fos | 3 standby mode atl a ba | = BPs fo | = 10 a ie | Eh | mio | 34 pois LB ° als 72x03 |5|3] § o4t03 a Block Diagram 28-pin PANAPLAT Plastic Package (SOPO28-P-0375A) Voc @)—@) pil Lai Peal (8) oY ©) Ratglte! | ees Uses O-2-O-O-O-O-O-O-O 0) 0) O90) GND MH 46932852 0013063 787
772 Panasonic
ICs for Telephone AN6164K, AN6164S ——— Hl Absolute Maximum Ratings (Ta=25°C) Parameter Unit Supply voltage v Supply current [oe Ps Power dissipation ee 7 Operating ambient temperature c Storage temperature c * Operating ambient temperature Ta=75'U, mounted onto the glass epoxy PCB (5050 1.2mm) ll Recommended Operating Range (Ta=25°C) Parameter ‘Symbol Range Operating supply voltage range 4.5 10 8V @ Electrical Characteristics (Voc=5V, f= kHz, Ta=25) ‘Current consumption ‘Measure current consumption at (SP MODE) Ie (SP) | Vcc=8V and atthe speaker mode. | s{ uf vl mA Current consumption Measure current consumption at 7 A (STANDBY MODE) Vec=8V and at the standby mode. Ga Microphone amplifier (1 Input a signal to the Pin@ and measure open circuit gain Gv (M1) _| the open circuit gain at the Pin@D. 4B Microphone amplifier (1) Vo (M1) pees eerie “ 5 % output level load=6000, and output= —24B. . , Measure the noise level with Microphone amplifier () Veo (M1) | DIN/AUDIO at R,=2.2k0 and aBV noise output voltage gain 2048. Set the gain to 20 dB with an Receiver amplifier gain Gy (REC) | external resistor and measure the 20 2 4B gain at V.,= ~25 dBV. Receiver amplifier Measure a distortion factor at gain=20 4B, output level Vo (REC) | joad= 1000, and uput=0<BV. % a if Measure the noise level with Receiver amplifier Veo (REC) | DIN/AUDIO at R,=2.2kQ and —10 aB noise output voltage gain=20 dB. Input a signal (— 10 dBV) to the ATT (1) ATT (1) | Pin@) and measure the output -7| -5| -3 aB level. Ground the Pin. Input.a signal (—10dBV) to the ATT (2) 4ATT (2) | Pin@) and measure the output 12 4B level. Ground the Pind. Tnput a signal (—10 dBV) to the AATT (3) ATT (3) | Pin®) and measure the output | —17 | -15} -13 | 4B level. Ground the Pin@. Tnput a signal (10 dBV) to the _ qT ATT | Pin@) and measure the output level 2 Oo; +2) oB ‘Speaker amplifier Input a signal to the Pin@) and measure open circuit gain Gv (SP) | the open circuit gain ofthe Pin). 4B Speaker amplifier Measure a distortion factor at the Pin(2) at output level Vo (SP) | gan=26<B,load= 160, and oupat=0dBV. [-{-| :| % Measure the noise level with Speaker amplifier , Veo (SP) | DIN/AUDIO at Ry=2.2kg and —s5 | —75 | «BV i 8 gain=26 dB. Cont vaige vw prs | 0 Cont votuge 0) Os Control pin suction ‘Measure a current flowing out 20 A current Keon | when the control pin is ground. # Panasonic 773
EEE!’ OO AN6164K, AN6164S ICs for Telephone — SSS @ Application Circuit sv . ef |e ¢ 25 oH A oA ca eT ee Be
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OMOOOOOOOOLOLDAKB1} ‘n ef wll yey dinar lOmF a = 25k2 a waz TS eo ma Ftp 24k. @ Pin Descriptions Pin No.[ "Pin name [Typical waveform [Description Equivalent circuit ‘Ground pin. —__ Speaker output pin. 2 | SPoutput AY Outputs a Receives signal to the @) speaker. Who exer capestor la\\avaval s utrol pin.
3 PGonect to ‘GND through the 22 uF
Wrenemal electrolytic capacitor. capactor —— ve Tera vo voage 21 21¥| Speaker signal input pin.
4 Inputs a sj er signal through the
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ICs for Telephone AN6164K, AN6164S @ Pin Descriptions (cont.) PinNo.[ Pin name [Typical waveform] Description | Equivalent circuit Receiver output pins 2 and 1 v Vuur
5 Connects to the receiver through the tad
A> ‘ov | coupling capacitor. The receiver con- aKa. aon 6 nected is a 1009 dynamic type or I k 2 piezo-electric type. > < Receiver input pin. ce
7 Nb 7) | Inputs a receiver signal through the We
coupling capacitor. Vass Attenuator output pin. L\\ 25 | Connects to the receiver amplifier 8 | ATT output v and speaker amplifier through the ® t coupling capacitor, 8 c c Ver 9 | ATT (+) Attenuator positive input pin and nega- g 7 Fy input 25 | tive input pin. @) A J ¥ | Inputs a receiver signal through the [| ATT (—) P “ 10 | ee coupling capacitor. © Vass Attenuator control pin 1. i" a hea The receiver gain is attenuated 5 dB by setting this pin to the L level. Veo Attenuator control pin 2. 2 way cont The receiver gain is attenuated 10 dB < by setting this pin to the L level. Vees Attenuator control pin 3. 13 “a cont ‘The receiver gain is attenuated 15 dB by setting this pin to the L level. Cs for felephone} Vase Reference pin. uly, pe | Connects to GND through the elec- nerr V2Vea trolytic capacitor. The current obtain- able from this pin is 7mA. Vee
2 Convent the Pin® through a resi beng
15 | STANDBY tor(2MQ). The standby mode is set by setting this pin to the Low level. mi usa2ss2 oopadbe was mm Panasonic 775 i
EEE DED :SCSOSgiS&SSSSSSSSSSSSSSFSSSSE oe AN6164K, AN6164S ICs for Telephone — $$ li Pin Descriptions (cont.) Vena Power rise control pin. Connects to GND through the elect- 16 | Vee cont rolytic capacitor (4.7 :F) and resi- (ss) LY stor (100k). ' Vasc Receiver/speaker selector pin. ‘The speaker mode is selected by 17 | REC/SP setting this pin to the H level, and receiver mode by setting to the L level. Veo Microphone mute pin. Y Controls ON/OFF of the microphone 18 | MIC mute (3) amplifier. Muted by setting this ® pin to the L level. 19 | MiC~1 input Microphone (1) positive and negative input pins. Connects the ECM type microphone 29 | Mic—1 through the coupling capacitor. input 2 | Mic-1 Microphone (1) output pin. © @ ® output Capable of driving a 6002. load. 2 | Mic-2 input Microphone (2) positive and negative input pins. Connects the ECM type microphone 23. | MIC—2 through the coupling capacitor. input 24 | MIC—2 Microphone (2) output pin. ®® ® output Capable of driving a 6002 load. WB 6932652 00130b7 325 eee Panasonic 776 a
ICs for Telephone AN6164K, AN6164S @ Pin Descriptions (cont.) Vaerr Microphone (3) input pin. 25 | Mic-3 Ny Connects to the microphone (1) or 20k input Veo microphone (2) through the coupling capacitor. a6 | MIC~3 Ny Microphone (3) output pin. ¥ output Vacs Capable of driving a 6002 toad. @) @ Stabilized supply voltaga pin. nly, Connects to GND through the elec- REG trolytic capacitor. ‘Supply voltage pin. 29° | Vee Connects to GND through the elec- ——- trolytic capacitor. @ Supplementary Descriptions @Receiver Attenuator YrAbout receiver attenuator Since the AN6164K and AN6164S incorporate the attenuator circuit in the receiver system, you can adjust an amount of attenuator in 7 steps with the 3 pins, @, @, and @. The logic table is shown below. Receiver Attenuation Amount Oe] 8] ‘Attenuation amount (4B) wpe D pele | =3 ape pe | =i whee | =is Cpl | =20 , L =30 cer] =5 - M@™ 6932852 00130b8 2b) a Panasonic 777 ee
AN6164K, AN6164S ICs for Telephone . ees W@ Characteristics Curve ‘Microphone Amp. 1/0 Distortion Factor Characteristics, Receiver Amp. I/O Distortion Factor Characteristics +10 +10 ee G.=2048 lA so LTV = -»t LIT VET ee Bee Bot] | Ae ooetien_ | z -» 3 -» Po 2 eee 2 eee oo 7 ee fof TTT gs FOE Tr ¢ Rieke PT 2 Sy § oft TLUN TT ot LTT TINGTY s SCLOPEIITY? ®t Input Level (4BV) Input Level (4BV) ‘Speaker Amp. I/O Distortion Factor Characteristics +20 ITT TTA TT > -10 y eS 4a i~ LT UAT TT ene Fo tt TT TET ¢ | | baer ff | | 3 -0 + a SCOPE NT 3 *ETTTEEFT}) § Input Level (dBV) @™ 6932452 0013069 173 778 Cnc nnnnnnnnnn