AD7452BRT-R2 查看數據表（PDF） - Analog Devices

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AD7452BRT-R2

Differential Input, 555 kSPS 12-Bit ADC in an 8-Lead SOT-23

Analog Devices 

VIN+

VIN–

B

CS

A

SW1

A

SW2

B

CS

VREF

CAPACITIVE

DAC

SW3

CONTROL

LOGIC

COMPARATOR

CAPACITIVE

DAC

VIN+

VIN–

B

CS

A

SW1

A

SW2

B

CS

VREF

CAPACITIVE

DAC

SW3

CONTROL

LOGIC

COMPARATOR

CAPACITIVE

DAC

011...111

011...110

1LSB = 2 VREF/4096

000...001

000...000

111...111

100...010

100...001

100...000

–VREF 1LSB

0 LSB

+ VREF – 1LSB

ANALOG INPUT

(VIN+ –VIN–)

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