CXA2546Q 查看數據表（PDF） - Sony Semiconductor

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CXA2546Q

3-band Electronic Volume

Sony Semiconductor 

CXA2546Q

Pin

Symbol

No.

17 VCT

18 VCC

19 GND

20 DGND

I/O resistance

Pin voltage

—

VCT

—

VCC

—

Gnd

—

—

Equivalent circuit

Description

1/2 VCC

Power supply input

Ground

Digital ground

VCC

21 CLK

~∞

124 4k

21

—

Serial clock input

22 CE

~ 20k

—

20k

124 4k

22

1 GAIN234

36 GAIN134

37 GAIN12

38 GAIN11

47 GAIN21

48 GAIN22

39 IN14

40 IN13

41 IN12

42 IN11

43 IN21

44 IN22

45 IN23

46 IN24

1

~∞

36

37

VCT

38

47

48

50 k

VCT

39 40

41 42

43 44

45 46

GND

VCC

Latch enable input

Take care to set the level as

the input impedance is low.

GND

VCC

External gain setting for input

amplifier

GND

VCC

Signal input

GND

—6—

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