BA8400 Datasheet (Rohm) - CTL recording / playback amplifier for VHS VCRs

BA8400, CTL recording / playback amplifier for VHS VCRs

Pin No.

1 Pin name CTL OUT (CTL pulse output) RECHPB (record / play switch) RECIN (REC CTL pulse input) GND CTL + (CTL head “+” input) CTL * (CTL head “ *” input) RECPBGND BIAS (bias) IN * (playback amplifier input) Function CTL pulse output.

High output level approx.

VCC

BA8400 Features

* 1) Can be operated off low power supply voltage (2.7V to 3.5V). 2) Playback amplifier with AGC. 3) Fast switching between recording and playback.

* Block diagram MONI OUT HysBIAS FILTER 14 13 12 11 10 9 8 P RECPBGND 7 Ref R CTL

* 6 BIAS AGC IN

* AMP CTL + 5 P VCC D