CXA2511AQ 데이터 시트보기 (PDF) - Sony Semiconductor

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CXA2511AQ

Dolby∗ B-C Type Noise Reduction System with Playback Equalizer Amplifier

Sony Semiconductor 

CXA2511AQ

Pin

No.

Symbol

Typical pin voltage

DC

AC

I/O

I/O

resistance

Equivalent circuit

Vcc

Description

20 MSMODE

0.0V

when

open

1.1k

—

I 100kΩ 20

100k

25 DIREF

1.2V

—— —

147

25

28 GND

31 PBFB2

40 PBFB1

0.0V

—— —

4.0V –70dBm I

—

Music sensor

mode control

Low (open): G1

High: G2

DGND

GND

Vcc

Resistance for

setting the Dolby

NR reference

current

(Connects 20kΩ

between DIREF

pin and GND for

the standard

setting.)

GND

Ground

Playback

equalizer amplifier

Vcc

feedback

32 PBRIN2

39 PBRIN1

34 PBFIN2

37 PBFIN1

4.0V –70dBm I

—

32

39

34

50p

36

PBREF

Playback

equalizer amplifier

31 input (REVERSE

50p 40 head connected)

PBREF

GND

Playback

equalizer amplifier

input (FORWARD

head connected)

–6–

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