CXA2502 데이터 시트보기 (PDF) - Sony Semiconductor

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CXA2502

Dolby∗ B-C Type Noise Reduction System for Playback

Sony Semiconductor 

Pin

No.

Symbol

Z (in)

VDC (V)

7

10

TCH

—

0.4V

8

9

TCL

—

0.4V

12 MODE

—

—

13 IREF

0

1.25V

15 GND

GND

CXA2502M

Equivalent circuit

VCC

Description

13k 36k

330k

Time constant for the

HLS.

GND

VCC

13.5k

480k

GND

VCC

50µA

22k

Time constant for the

LLS.

MODE control

High: TAPE

Low: AUX

GND

VCC

1.25V

Reference current

which determines the

built-in filter cut-off

frequency.

GND

Dual power supply:

Negative power supply

Single power supply:

Ground

–4–

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