Panasonic AN3375S Datasheet
ICs for VCR
AN3375S
2-head recording/playback amplifier IC (V2)
for a stand-alone VHS-VCR
■ Overview
The AN3375S is a two-head recording/playback 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.
■ Features
• Recording current without adjustment (Zener zap
method)
• Damping-less amplifier for playback-system
• Built-in auto tracking circuit
■ Applications
• Stand-alone type VHS-VCR
16 9
18
10.09±0.20
(0.60)
0.40±0.10
1.27
Seating plane
SOP016-P-0225C
0.65±0.100.65±0.10
4.30±0.20
1.50±0.200.10±0.10
+0.10
6.40±0.30
Unit: mm
−0.05
0.15
0° to 10°
0.50±0.20
Seating plane
■ Block Diagram
(5 V)
CC
Video V
16
1
HSW
REC/PB
15
L
HA2
2
CH2 in
N.C.
14
LH
3
GND
Amp.
chroma
HA1
R
Chroma out
13
Zener
4
CH1 in
ZAP
GND (video)
12
5
out
V. REC
11
AT
6
N.C.
GCA control
Auto-tracking out
10
7
N.C.
REC in
9
8
N.C.
1
AN3375S ICs for V CR
■ Pin Descriptions
Pin No. Description
1 Video head SW
2 Video head amp. input CH2
3 GND (video small signal)
4 Video head amp. input CH1
5 Video REC out
6N.C.
7N.C.
8N.C.
■ Absolute Maximum Ratings
Parameter Symbol Rating Unit
Supply voltage Video V
Supply current I
2
Power dissipation
Operating ambient temperature
Storage temperature
Note)*1: Except for the operating ambient temperature and storage temperature, all ratings are for Ta = 25°C.
2: The power dissipation shown is for the IC package in free air at Ta = 70°C.
*
*
1
*
1
*
CC
CC
P
D
T
opr
T
stg
Pin No. Description
9 Video REC input
10 Auto tracking out
11 Auto tracking GCA control
12 GND
13 Video chroma out
14 N.C.
15 REC/PB select SW
16 Video V
CC
6V
mA
300 mW
−20 to +70 °C
−55 to +150 °C
■ Recommended Operating Range
Parameter Symbol Range Unit
Supply voltage Video V
CC
4.5 to 5.5 V
■ Electrical Characteristics at Ta = 25°C
Parameter Symbol Conditions Min Typ Max Unit
Video V
Video HSW V
Threshold voltage REC/PB SW: Low
REC/PB SW V
Threshold voltage
Video CH1 gain G
Video CH2 gain G
Note) The standard values in the parenthesis are the typical values and not the guaranteed ones.
2
I total (PB) I
CC
16(PB)
TH1
TH15
4-13
2-13
Video VCC = 5.0 V 13 (20) 27 mA
REC/PB SW: Low
Video VCC = 5.0 V 1.5 (2.5) 3.5 V
Video VCC = 5.0 V 1.5 (2.5) 3.5 V
Video VCC = 5.0 V 55 (59) 63 dB
REC/PB SW: Low
Video VCC = 5.0 V 55 (59) 63 dB
REC/PB SW: Low
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