CXA1580Q 查看數據表（PDF） - Sony Semiconductor

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CXA1580Q

Dolby B Type Noise Reduction System with Playback Equalizer

Sony Semiconductor 

CXD1580Q

Pin

No. Symbol

12 MSTC

DC

I/O

value resistance

Equivalent circuit

Approx.

—

VDD

1.4V for

signal

detection;

5.0V for

147

12

1k

no signal

detection

Description

Connection of MS detection time

Vcc constant

50µ

GND

13 G2(NOR) 4.0V

—

14 G1(FF)

Vcc

MS feedback

10µ

147

13

14

3 TAPEIN 4.0V 40kΩ

28

3

4 RADIOIN

27

28

147

4

27

40k

5 CDIN

5

26

26

100k

100µ

GND

Vcc

15µ

TAPE input

RADIO input

to VGS

CD input

GND

6 D IREF 1.25V —

Vcc Connection of reference current

setting resistor for Dolby block

147 8k

6

1.25V

7 LINEOUT 4.0V

—

24

50µ

GND

Vcc

Line output

200

147

7

200

24

GND

—4—

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