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BA7796FS Data Sheet

VCR standard audio signal processor

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BA7796FS
Video ICs VCR standard audio signal processor BA7796FS The BA7796FS is a standard audio signal processor designed for use in VCRs and tape decks. The circuit is comprised of a playback preamplifier, a line amplifier, a recording amplifier, an ALC circuit, an EQ switch, and high-voltage head switch. The IC has three input switching systems, and a built-in coil equivalent circuit for recording equalization, which eliminates the need for an external component. Applications • Video cassette recorders and tape decks Features • 1) Three input switching systems built-in (LINE1, LINE2, and TUNER). 2) Built-in coil equivalent circuit for recording equalization. 3) 4) 5) 6) Two-mode EQ switch. High-performance low-noise playback amplifier. Fixed ALC level ( – 7.2dB when VCC = 12V). Phase-inverting recording amplifier. •Absolute maximum ratings (Ta = 25°C) Parameter Power supply voltage Power dissipation Operating temperature Storage temperature Symbol VCC Pd Topr Tstg Limits 13 800∗ – 10 ~.
BA7796FS

Download BA7796FS Datasheet
Video ICs VCR standard audio signal processor BA7796FS The BA7796FS is a standard audio signal processor designed for use in VCRs and tape decks. The circuit is comprised of a playback preamplifier, a line amplifier, a recording amplifier, an ALC circuit, an EQ switch, and high-voltage head switch. The IC has three input switching systems, and a built-in coil equivalent circuit for recording equalization, which eliminates the need for an external component. Applications • Video cassette recorders and tape decks Features • 1) Three input switching systems built-in (LINE1, LINE2, and TUNER). 2) Built-in coil equivalent circuit for recording equalization. 3) 4) 5) 6) Two-mode EQ switch. High-performance low-noise playback amplifier. Fixed ALC level ( – 7.2dB when VCC = 12V). Phase-inverting recording amplifier. •Absolute maximum ratings (Ta = 25°C) Parameter Power supply voltage Power dissipation Operating temperature Storage temperature Symbol VCC Pd Topr Tstg Limits 13 800∗ – 10 ~ + 65 – 55 ~ + 125 Unit V mW °C °C ∗ When mounted on a 90mm × 50mm × 1.6mm glass epoxy board. Reduced by 8.0mW for each increase in Ta of 1°C over 25°C. •Recommended operating conditions (Ta = 25°C) Parameter Power supply voltage Symbol VCC Min. 7.5 Typ. — Max. 12.5 Unit V 1 Video ICs BA7796FS •Block diagram PB IN 1 REC 24 HEAD GND LP + EP HEAD EQ SW 2 23 PB PB NFB REC HEAD SW 3 REC SP 22 PB EQ SW REC OUT 4 PB 21 PB OUT REC AMP REC L2 5 EQ 0dB REC L1 6 20 PB LINE IN ALC.


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