CXA2509 查看數據表（PDF） - Sony Semiconductor

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CXA2509

Playback Equalizer Amplifier with Music Sensor

Sony Semiconductor 

CXA2509AQ

Pin

No.

Symbol

Typical pin voltage

DC

AC

I/O

I/O

resistance

Equivalent circuit

Vcc

25 DIREF

1.2V

—— —

147

25

GND

Description

Resistance for

setting the

reference current

(Connects

20 (18) kΩ

between DIREF

pin and GND for

the standard

setting.)

28 GND

0.0V

—— —

Ground

31 PBFB2

40 PBFB1

4.0V –70dBm I

—

Playback

equalizer amplifier

Vcc

feedback

32 PBRIN2

39 PBRIN1

34 PBFIN2

37 PBFIN1

4.0V –70dBm I

—

32

39

34

50p

36

PBREF

31

50p 40

PBREF

GND

Playback

equalizer amplifier

input (REVERSE

head connected)

Playback

equalizer amplifier

input (FORWARD

head connected)

Vcc

33 PBREF2

38 PBREF1

4.0V

—O —

200

33

38

200

Playback

equalizer amplifier

reference (VCC/2

output)

GND

–6–

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