AD7674

Rev. A | Page 4 of 28

Parameter

Conditions

Min

Typ

Max

Unit

REFERENCE

External Reference Voltage Range

REF

3

4.096

AVDD + 0.1

V

REF Voltage with Reference Buffer

REFBUFIN = 2.5 V

4.05

4.096

4.15

V

Reference Buffer Input Voltage Range

REFBUFIN

1.8

2.5

2.6

V

REFBUFIN Input Current

–1

+1

μA

REF Current Drain

800 kSPS throughput

330

μA

DIGITAL INPUTS

Logic Levels

–0.3

+0.8

V

+2.0

DVDD + 0.3

V

–1

+1

μA

–1

+1

μA

DIGITAL OUTPUTS

0.4

V

OVDD – 0.6

V

POWER SUPPLIES

Specified Performance

AVDD

4.75

5

5.25

V

DVDD

4.75

5

5.25

V

OVDD

2.7

V

800 kSPS throughput

AVDD

16

mA

6.5

mA

50

μA

78

90

mW

160

μW

114

126

mW

126

138

mW

Specified Performance

–40

+85

°C

value. These specifications do not include the error contribution from the external reference, but do include the error contribution from the reference buffer if used.