TDA7334 Datasheet PDF | STMicroelectronics

STMicroelectronics TDA7334

The TDA7334 is a monolithic BICmos IC designed for use in stereo cassette player systems. The dual preamplifier contains mute, autoreverse, metal/normal facilities for amplification of low level signal in applications requiring very low noise performance. Each channel consists of two cascaded operational amplifiers.

Part No.	TDA7334
Datasheet	TDA7334 Download
Manufacturer	STMicroelectronics
Description	LOW NOISE STEREO PREAMPLIFIER
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APPLICATIONS

. LOW NOISE HEAD PREAMPLIFIER GROUND COMPATIBLE MUTE, AUTOREVERSE METAL/NORMAL FUNCTIONS INTERNAL SWITCHES FOR EQUALIZATION LOW SUPPLY CURRENT MIXED BIPOLAR/CMOS TECHNOLOGY

DESCRIPTION

The first one, AMP1, has a fixed gain of 32dB, TEST CIRCUIT R15 6.2K C4 10nF DIP16 SO16 ORDERING NUMBER: TDA7334 (DIP16) TDA7334D (SO16) low noise forward/reverse switchable input, and allows magnetic heads connection directly to ground. The second one, AMP2, is a standard operational amplifier whose equalizing external components fix the frequency response. EQRO R12 300K EQRI 12 RN 13 9 VS C12 100nF +VS R11 1.2K C11 1µF INPUT R C6 300pF R13 6.8K 1 32dB GND INR2 R10 600 Ω C5 300pF INR1 R9 600 Ω 14 15 AMP1 AMP2 11 OUTR C13 0.22µF 20K 8 F/RSW R7 10K +VS INPUT L C3 300pF R1 600 Ω C2 300pF INL1 INL2 R2 600Ω 2 3 7 AMP1 AMP2 MUTE C9 100nF 32dB 4 6 RN 5 16 EQSW OUTL C14 0.22µF R3 1.2K C1 1µF R4 6.8K R5 300K C8 10nF EQLI 20K EQLO GND D94AU079 R8 10K +VS R14 6.2K November 1999 1/11 TDA7334 ABSOLUTE MA...