AD7811YR 데이터 시트보기 (PDF) - Analog Devices

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AD7811YR

2.7 V to 5.5 V, 350 kSPS, 10-Bit 4-/8-Channel Sampling ADCs

Analog Devices 

AD7811/AD7812

VIN4/AGND

0

0

0

0

1

1

1

X

X

X

X

DIF/SGL

0

0

0

0

0

0

0

1

1

1

1

CH1

0

0

1

1

0

0

1

0

0

1

1

Table I. AD7811 Channel Configurations

CH0

0

1

0

1

0

1

0

0

1

0

1

Description

VIN1 Single-Ended with Respect to AGND

VIN2 Single-Ended with Respect to AGND

VIN3 Single-Ended with Respect to AGND

VIN4 Single-Ended with Respect to AGND

VIN1 Pseudo Differential with Respect to VIN4

VIN2 Pseudo Differential with Respect to VIN4

VIN3 Pseudo Differential with Respect to VIN4

VIN1(+) Pseudo Differential with Respect to VIN2(–)

VIN3(+) Pseudo Differential with Respect to VIN4(–)

Internal Test. SAR Input Equal to VREF/2

Internal Test. SAR Input Equal to VREF

VIN8/AGND

0

0

0

0

0

0

0

0

1

1

1

1

1

1

1

X

X

X

X

X

X

DIF/SGL

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

1

1

1

1

1

1

CH2

0

0

0

0

1

1

1

1

0

0

0

0

1

1

1

0

0

0

0

1

1

Table II. AD7812 Channel Configurations

CH1

0

0

1

1

0

0

1

1

0

0

1

1

0

0

1

0

0

1

1

0

0

CH0

0

1

0

1

0

1

0

1

0

1

0

1

0

1

0

0

1

0

1

0

1

Description

VIN1 Single-Ended with Respect to AGND

VIN2 Single-Ended with Respect to AGND

VIN3 Single-Ended with Respect to AGND

VIN4 Single-Ended with Respect to AGND

VIN5 Single-Ended with Respect to AGND

VIN6 Single-Ended with Respect to AGND

VIN7 Single-Ended with Respect to AGND

VIN8 Single-Ended with Respect to AGND

VIN1 Pseudo Differential with Respect to VIN8

VIN2 Pseudo Differential with Respect to VIN8

VIN3 Pseudo Differential with Respect to VIN8

VIN4 Pseudo Differential with Respect to VIN8

VIN5 Pseudo Differential with Respect to VIN8

VIN6 Pseudo Differential with Respect to VIN8

VIN7 Pseudo Differential with Respect to VIN8

VIN1(+) Pseudo Differential with Respect to VIN2(–)

VIN3(+) Pseudo Differential with Respect to VIN4(–)

VIN5(+) Pseudo Differential with Respect to VIN6(–)

VIN7(+) Pseudo Differential with Respect to VIN8(–)

Internal Test. SAR Input Equal to VREF/2

Internal Test. SAR Input Equal to VREF

REV. B

–9–

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