Panasonic AN3336SB Datasheet

1

ICs for VCR

■ Overview

The AN3336SB is a recording/playback amplifier IC for
4-head VCR. It includes RF-AGC, automatic tracking I/O,
and envelope comparing circuit.

■ Features

•

Playback VCC= 5.0V, recording V

CC

= 12V

•

Built-in RF-AGC circuit

•

Built-in automatic tracking I/O circuit

•

Built-in envelope comparing circuit

AN3336SB

4-Head VCR Recording/Playback Amplifier IC

Unit : mm

36-Pin SSOP package (SSOP036-P-0450A)

0.5

15.2±0.30

11.93±0.30

0.3±0.11

2.85±0.2

0.8

1.3±0.25

0.2

+ 0.1

– 0.05

1.3±0.25

0.1±0.1

(0.28)

8.4±0.30

1

18 19

36

■ Pin Descriptions

Pin No.

Head switching

1
2

Envelope ON/OFF switching

3

Ch 1 head amp. damping

4

Ch 1 head amp. input

5

Small-signal ground
Ch 2 head amp. input

6
7

Ch 2 head amp. damping

8

Sub-ground

9

Sub-ground

10

Ch 3 head amp. damping
Ch 3 head amp. input

11
12

Small-signal ground

13

Ch 4 head amp. input

14

Ch 4 head amp. damping

15

Rec. current amp. (LP) output
Rec. feedback

16
17

Rec. current amp. (SP) output

18

Rec. V

Pin name Pin name

CC

Pin No.

19

Evelope detector capacitor for ch 3 and ch 4

20

Peaking for recording
Automatic tracking output

21
22

Automatic tracking detector capacitor
Automatic tracking control

23
24

Automatic tracking V

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

CC

2

ICs for VCR

AN3336SB

36

33kΩ

0.01µF

35 34 33 32 31 30 29 28 27 26 25 24 23 22 21 20 19

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 18

PB

5V V

CC

+

ENV

HASW

C– IN

SUB– GND

MAIN– GND

1.5kΩ

Y– IN

AT

GCA

AT

OUT

0.1µF

0.1µF

Det.

LOG

CHROMA

Amp.

Mix.

AGCDet.

Comp.

Det. Det.

SP

LH LP

LH

L H LP SP

HA3 HA4

PB
ON

PB
ON

HL

HA1 HA2

Rec
Logic

HSW

1µF

+

*

100Ω

0.01µF 0.01µF

1µF

+

*

100Ω

1µF

+

*

100Ω

SUB–GND

0.01µF 0.01µF

+

1µF

*

100Ω

0.01µF0.1µF0.1µF

*

250

Ω

*

250

Ω

+

Rec V

CC

12V

ENV OFF H

Note) The resistance of notation* should be between 0 and 500 ohms.

17

■ Block Diagram

˚C

–55 to +125

Parameter Symbol Rating Unit

T

stg

T

opr

PB V

CC

Rec V

CC

P

D

–20 to +70

Supply voltage (1)
Supply current (2)
Power dissipation

Note 2)

Operating ambient temperature

Note 1)

Storage temperature

Note 1)

13

440

˚C

V
V

6

mW

Note 1) Ta=25˚C for except ambient temperature and storage temperatures.
Note 2) Allowable power dissipation of the package at Ta=70˚C.

■ Absolute Maximum Ratings