CXA3197 查看數據表（PDF） - Sony Semiconductor

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CXA3197

10-bit 125MSPS D/A Converter

Sony Semiconductor 

CXA3197R

Pin No. Symbol

29

DVCC2

I/O Typical voltage level

Single power

supply: +5V

Dual power

supply: GND

30

AVCCO

Single power

supply: +5V

Dual power

supply: GND

31 AOUTN

O AVCCO – VFS

32 AOUTP

33 AGND2

O AVCCO – VFS

Single power

supply: GND

Dual power

supply: –5V

Equivalent circuit

AVCCO

RO

RO

31

32

AGND2

Description

Digital power supply.

Analog output power

supply.

The AVCCO pin voltage

can be varied within the

range that satisfies the

analog output

compliance voltage.

Negative analog output.

The inverse of the

positive analog output

pin is output.

When the positive

output is terminated with

50Ω, the inverse output

pin should also be

terminated with 50Ω

even if the inverse

output is not used.

Positive analog output.

Analog ground.

AVCC2

34 VREF

O

AGND + 1.25V

(Typ.)

BGR

34

Reference voltage

output.

35 VSET

36

AVCC2

AVCC2

AGND2 + 0.65V

I

to

AGND2 + 1.03V

35

Single power

supply: +5V

Dual power

supply: GND

AGND2

–7–

AGND2

Analog output full-scale

adjustment.

Analog power supply.

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