ICs for VCR
1
AN3375S
2-head recording/playback amplifier IC (V2)
for a stand-alone VHS-VCR
n Overview
The AN3375S is a two-head recording/play-
back amplifier IC for a VHS-VCR enabling a fewer
pin package. The package is 16-pin, 1.27 mm pitch
SO type. The power supply is 5 V single source.
n Features
• Recording current without adjustment (Zener zap
method)
• Damping-less amplifier for playback-system
• Built-in auto tracking circuit
n Applications
• Stand-alone type VHS-VCR
n Block Diagram
10.09– 0.20
16 9
18
(0.60)
0.40– 0.10
Seating plane Seating plane
4.30
–
0.20
6.40
–
0.30
1.50
–
0.20
0.10
–
0.10
0.65
–
0.10
0.65
–
0.10
1.27
+
0.10
0.15
-
0.05
0 to 10
0.50– 0.20
SOP016-P-0225C
Unit: mm
1 2 3 4 5 6 7 8
16 15 14 13 12 11 10
9
R
HA1
Zener
ZAP
L
HA2
LH
AT
Amp.
chroma
N.C.
N.C. N.C. N.C.
Video V
CC
(5 V)
REC/PB Chroma out GND (video) GCA control Auto-tracking out REC in
HSW
CH2 in
GND
CH1 in
V. REC

out