AN3336SB Datasheet, PDF (1/5 Pages) Panasonic Semiconductor – 4-Head VCR Recording/Playback Amplifier IC

ICs for VCR
AN3336SB
4-Head VCR Recording/Playback Amplifier IC
s Overview
The AN3336SB is a recording/playback amplifier IC for
1
4-head VCR. It includes RF-AGC, automatic tracking I/O,
and envelope comparing circuit.
s Features
• Playback V_CC = 5.0V, recording V_CC = 12V
• Built-in RF-AGC circuit
• Built-in automatic tracking I/O circuit
• Built-in envelope comparing circuit
18
Unit : mm
36
19
s Pin Descriptions
Pin No.
Pin name
1 Head switching
2 Envelope ON/OFF switching
3 Ch 1 head amp. damping
4 Ch 1 head amp. input
5 Small-signal ground
6 Ch 2 head amp. input
7 Ch 2 head amp. damping
8 Sub-ground
9 Sub-ground
10 Ch 3 head amp. damping
11 Ch 3 head amp. input
12 Small-signal ground
13 Ch 4 head amp. input
14 Ch 4 head amp. damping
15 Rec. current amp. (LP) output
16 Rec. feedback
17 Rec. current amp. (SP) output
18 Rec. V_CC
0.5
(0.28)
8.4±0.30
11.93±0.30
36-Pin SSOP package (SSOP036-P-0450A)
Pin No.
Pin name
19 Evelope detector capacitor for ch 3 and ch 4
20 Peaking for recording
21 Automatic tracking output
22 Automatic tracking detector capacitor
23 Automatic tracking control
24 Automatic tracking VCC
25 Rec. Y–input
26 Chroma output
27 Sub-ground
28 _Sub-ground
29 Sub-ground
30 Recording C–input
31 AGC output
32 AGC detector capacitor
33 _{Envelope detector capacitor for ch 1 and ch 2}
34 Head amp. switching
35 ENV output, recording bias
36 Playback V_CC
1