U4083B TEMIC | Alldatasheet

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Technical content

Features

/C0068Wide operating voltage range: 2 to 16 V /C0068Battery powered application due to low quiescent supply current: 2.7 mA typical /C0068Chip disable input to power down the integrated circuit /C0068Low power down quiescent current /C0068Drives a wide range of speaker loads /C0068Output Power, Po = 250 mW @ RL = 32 /C0087 (speaker) /C0068Low harmonic distortion (0.5% typical) /C0068Wide range gain adjustable: 0 dB to 46 dB Benefits /C0068Low number of external components /C0068Low current consumption Block Diagram / Application Circuit 0.1 F 4 k 4 k 125 k 50 k 50 k Amp.1 Amp.2 Bias circuit VS VO1 VO2 CD GND7 V i R f75 k R i 3 kC i Input 5 F C11 F 93 7781 e /C0087 /C0087 /C0087 /C0087 /C0087 /C0087 /C0087 /C0109 /C0109 /C0109 FC1 FC2 Figure 1. Order Information Extended Type Number Package Remarks U4083B-AFP SO8 U4083B-AFPG3 SO8 Taped and reeled

Figure 2. Pinning

1 CD Chip disable

2 FC2 Filtering, power supply rejection

3 FC1 Filtering, power supply rejection

4 V i Amplifier input

5 VO1 Amplifier output 1

6 V S V oltage supply

7 GND Ground

8 VO2 Amplifier output 2

serve power or muting or both. Input impedance at pin 1 is typically 90 k/C0087. muted operation (muting) is more than 70 dB. They are independent of C1, C2 and VS. fore do not change when the U4083B is disabled. (see electrical characteristic equivalent resistance, R). and 125 k/C0087) as shown in the block diagram. capable of sourcing and sinking a peak current of 200 mA. maximum current (figures 18 and 19). generally neutralize each other. and VO2 positive to an equal amount.

Rev. A2, 07-Apr-97 3 (11) Pin 6: Supply and power dissipation Power dissipation is shown in figures 8 to 10 for different loads. Distortion characteristics are given in figures 11 to 13. P totmax /C0043T jmax –T amb R thJA where Tjmax = Junction temperature = 140°C Tamb = Ambient temperature R thJA = Thermal resistance, junction-ambient Power dissipated within the IC in a given application is found from the following equation: Ptot = (VS /C0064 IS) + (IRMS /C0064 VS ) – (RL /C0064 IRMS 2) IS is obtained from figures 15 IRMS is the RMS current at the load RL. Operating range of the integrated circuit is defined with a peak operating load current of /C0034200 mA (figures 8 to 13). It is further specified with respect to different loads in figure 14. The left (ascending) portion of each of the three curves is defined by the power level at which 10% distortion occurs. The center flat portion of each curve is defined by the maximum output current capability of the integrated circuit. The right (descending) portion of each curve is defined by the maximum internal power dissipa- tion of the IC at 25°C. At higher ambient temperatures, the maximum load power must be reduced according to the above mentioned equation. Layout Considerations Normally a snubber is not needed at the output of the IC, unlike many other audio amplifiers. However, the PC board layout, stray capacitances, and the manner in which the speaker wires are configured, may dictate otherwise. Generally the speaker wires should be twisted tightly, and be not more than a few cm (or inches) in length. Absolute Maximum Ratings Reference point Pin 7, Tamb = 25°C unless otherwise specified. Parameters Symbol Value Unit Supply voltage Pin 6 V S –1.0 to +18 V V oltages Pins 1, 2, 3 and 4 Disabled Pins 5 and 8 –1.0 to (VS +1.0) –1.0 to (VS +1.0) V V Output current Pins 5 and 8 /C0034250 mA Junction temperature Tj +140 °C Storage temperature range Tstg –55 to +150 °C Ambient temperature range Tamb –20 to +70 °C Power dissipation: Tamb = 60°C SO8 Ptot 440 mW Thermal Resistance Parameters Symbol Value Unit Junction ambient SO8 R thJA 180 K/W Operation Recommendation Parameters Symbol Value Unit Supply voltage Pin 6 V S 2 to 16 V Load impedance Pins 5 to 8 R L 8.0 to 100 /C0087 Load current IL /C0034200 mA Differential gain (5.0 kHz bandwidth) /C0068G 0 to 46 dB V oltage @ CD Pin 1 V CD VS V Ambient temperature range Tamb –20 to +70 °C

Rev. A2, 07-Apr-97 Preliminary Information 4 (11)

Electrical Characteristics

Tamb = +25°C, reference point Pin 7, unless otherwise specified Parameters Test Conditions / Pins Symbol Min. Typ. Max. Unit Amplifiers (AC Characteristics) Open gain loop (Amp. 1, f < 100 Hz) G VOL1 80 dB Closed gain loop (Amp. 2)V S = 6.0 V , f = 1.0 kHz, RL = 32 /C0087 G V2 –0.35 0 +0.35 dB Gain bandwidth product G BW 1.5 MHz Output power V S = 3.0 V , RL = 16 /C0087, d < 10% V S = 6.0 V , RL = 32 /C0087, d < 10% V S = 12 V , RL = 100 /C0087, d < 10% Po Po Po 250 400 mW Total harmonic distortion (f = 1.0 kHz) V S = 6.0 V , RL = 32 /C0087, Po = 125 mW V S > 3.0 V , RL = 8 /C0087, Po = 20 mW V S > 12 V , RL = 32 /C0087, Po = 200 mW d d d 0.5 0.5 0.6 1.0 Power supply rejection ra- tio V S = 6.0 V , /C0068V S = 3.0 V C 1 = /C0084, C2 = 0.01 /C0109F C 1 = 0.1 /C0109F, C2 = 0, f = 1.0 kHz C 1 = 1.0 /C0109F, C2 = 5.0 /C0109F, f = 1.0 kHz PSRR PSRR PSRR dB Muting V S = 6.0 V , 1.0 kHz < f < 20 kHz, CD = 2.0 V G MUTE >70 dB Amplifiers (DC Characteristics) Output dc level at VO1 , V O2 R f = 75 kW V S = 3.0 V , RL = 16 /C0087 V S = 6.0 V V S = 12 V V O V O V O 1.0 1.15 2.65 5.65 1.25 V Output high level IO = – 75 mA,

2.0 V < VS < 16 V

V OH V S–1 V Output low level IO = 75 mA, V OL 0.16 V Output dc offset voltage O1 – VO2 ) V S = 6.0 V , Rf = 75 k/C0087, R L = 32 /C0087 /C0068V O –30 0 +30 mV Input bias current at Vi V S = 6.0 V –IIB 100 200 nA Equivalent resistance at Pin 3 V S = 6.0 V R 100 150 220 k/C0087 Equivalent resistance at Pin 2 V S = 6.0 V R 18 25 40 k/C0087 Chip disable Pin 1 Input voltage /C0042 low Input voltage /C0042 high Input resistance V S = VCD = 16 V V IL V IH R CD 2.0 50 90 0.8 175 V V kW Power supply current V S = 3.0 V , RL = /C0084, CD = 0.8 V V S = 16 V , RL = /C0084, CD = 0.8 V V S = 3.0 V , RL = /C0084, CD = 2.0 V IS IS IS 65 4.0 5.0 100 mA mA /C0109A

Rev. A2, 07-Apr-97 Preliminary Information 10 (11)

Package Information

5.00 4.85 0.4 1.27 3.81 1.4 0.25 0.10 5.2 4.8 3.7 3.8 6.15 5.85 0.2

Rev. A2, 07-Apr-97 11 (11) Ozone Depleting Substances Policy Statement It is the policy of TEMIC TELEFUNKEN microelectronic GmbH to 1. Meet all present and future national and international statutory requirements. 2. Regularly and continuously improve the performance of our products, processes, distribution and operating systems with respect to their impact on the health and safety of our employees and the public, as well as their impact on the environment. It is particular concern to control or eliminate releases of those substances into the atmosphere which are known as ozone depleting substances (ODSs). The Montreal Protocol (1987) and its London Amendments (1990) intend to severely restrict the use of ODSs and forbid their use within the next ten years. Various national and international initiatives are pressing for an earlier ban on these substances. TEMIC TELEFUNKEN microelectronic GmbH semiconductor division has been able to use its policy of continuous improvements to eliminate the use of ODSs listed in the following documents. 1. Annex A, B and list of transitional substances of the Montreal Protocol and the London Amendments respectively 2. Class I and II ozone depleting substances in the Clean Air Act Amendments of 1990 by the Environmental Protection Agency (EPA) in the USA 3. Council Decision 88/540/EEC and 91/690/EEC Annex A, B and C (transitional substances) respectively. TEMIC can certify that our semiconductors are not manufactured with ozone depleting substances and do not contain such substances. We reserve the right to make changes to improve technical design and may do so without further notice. Parameters can vary in different applications. All operating parameters must be validated for each customer application by the customer. Should the buyer use TEMIC products for any unintended or unauthorized application, the buyer shall indemnify TEMIC against all claims, costs, damages, and expenses, arising out of, directly or indirectly, any claim of personal damage, injury or death associated with such unintended or unauthorized use. TEMIC TELEFUNKEN microelectronic GmbH, P.O.B. 3535, D-74025 Heilbronn, Germany Telephone: 49 (0)7131 67 2831, Fax number: 49 (0)7131 67 2423