CXA1998 Просмотр технического описания (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

24 LATCH

—

27 XRESET

25µA

2k

24

I

—

27

×4

5p

GND

10.5k

GND

VDD

30k

30k

Description

Serial data interface

latch input.

Serial data interface

reset input.

Low: Reset.

At this time serial

data outputs

(Pins 15 to 22)

are all open

(high).

25 CLK

26 DATA

25µA

4k

25

—

I—

26

×4

GND

10.5k

GND

VDD

30k

Serial data interface

clock input.

30k

Serial data interface

serial data input.

28

28 DGND

0.0V — —

Serial data interface

block ground.

GND

33 GND

34 VG

35 VCC

0.0V — —

33

VCC

30k

4.0V

— 60kΩ

×2

147

34

45k

30k

GND

8.0V — —

35

GND

VCC

Ground.

×2

Signal reference

500

voltage. Connects a

capacitor for ripple

500

rejection.

×4

GND

VCC Power supply.

–7–

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