CXA1998 查看數據表（PDF） - Sony Semiconductor

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CXA1998

Recording/Playback Equalizer Amplifier

Sony Semiconductor 

CXA1998AQ

Pin

No.

Symbol

DC

voltage

I/O I/O

resistance

Equivalent circuit

Description

40 PB FB12

45 PB FB11

1.4V

— 105kΩ

VCC VCC

5k

10k

41 PB INB2

42 PB INA2

43 PB INA1

44 PB INB1

0.0V

41

×6

42 147

30p

43

×6

44 70k

I 70kΩ

GND GND

RFS VCC

VCC

1k

1k 210k

× 2 10p 147 40

45

210k

GND

Playback equalizer

negative feedback.

Playback equalizer

input.

Note)

• AMS GND (Pin 10), DGND (Pin 28) and GND (Pin 33) are each independent in the IC and are not connected.

Be sure tp ground each of the ground pins listed above.

• The resistance of open collector outputs (Pins 15 to 22) can be connected Vcc.

–9–

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