AN7352

更新时间： 2024-11-28 22:39:11

品牌	Logo	应用领域
松下 - PANASONIC		放大器
页数	文件大小	规格书
3页	52K
描述
Playback Pre-amplifier for Stereo Cassette Deck

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数据手册

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AN7352 数据手册

ICs for Cassette, Cassette Deck

AN7352S

Playback Pre-amplifier for Stereo Cassette Deck

Unit : mm

■ Overview

The AN7352S is a bipolar IC developed as a playback

pre-amplifier of analogue cassette deck. Particularly in

order to support the automatic adjustment, it incorporates

various volume filter circuits and control functions. Also, it

has realized great reduction of external parts required.

■ Features

•

Variable volume circuits for playback gain adjustment

built-in

•

Various equalizer switching circuit built-in

Series mute circuit built-in

MS (head locating) amp. comparator circuit built-in

0.3

7.2±0.3

9.4±0.3

28-Lead SOP Package (SOP028-P-0375A)

■ Pin Name

Pin No.

Pin Name

Pin No.

Pin Name

Pin No.

Pin Name

21 P/R LOGIC

22 PB Monitor Output

–V_CC

11 Volume Control (R Ch.)

12 MS Input

PB T1 Input (R Ch.)

PB T2 Input (R Ch.)

PB NF Input (R Ch.)

120µ/ 70µ ( × 2) NF SW

120µ/ 70µ ( × 1) NF SW

PB Monitor Output

T1/ T2 LOGIC

13 +V_CC

23 120µ/ 70µ ( × 2) NF SW

24 120µ/ 70µ ( × 1) NF SW

25 PB NF Input (L Ch.)

26 PB T2 Input (L Ch.)

27 PB T1 Input (L Ch.)

28 GND

14 MS NF Input

15 MS Output

16 MS De-coupling

17 MS GND

18 Volume Control (L Ch.)

19 PB Output (L Ch.)

120µ/ 70µ LOGIC

10 PB Output (R Ch.)

× 1/ × 2 LOGIC

■ Block Diagram

GND

P/R

× 1/

× 2

CTL

22kΩ

47kΩ

1kΩ

–

+ –

T1/

120µ/

70µ

CTL

–V_CC

+V_CC

12 3

中文翻译

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