Datasheet

AD7191
Rev. A | Page 5 of 20
Parameter
1
AD7191B Unit Test Conditions/Comments
Floating-State Leakage Current ±10 μA max
Floating-State Output Capacitance 10 pF typ
Data Output Coding Offset binary
POWER REQUIREMENTS
3
Power Supply Voltage
AV
DD
− AGND
3/5.25 V min/V max
DV
DD
− DGND
2.7/5.25 V min/V max
Power Supply Currents
AI
DD
Current 0.85 mA max 0.75 mA typical, gain = 1.
3.6 mA max 3 mA typical, gain = 8.
5 mA max 4 mA typical, gain = 64 or 128.
DI
DD
Current 0.4 mA max 0.35 mA typical, DV
DD
= 3 V.
0.6 mA max 0.5 mA typical, DV
DD
= 5 V.
1.5 mA typ External crystal used.
I
DD
(Power-Down Mode) 3 μA max
1
Temperature range: −40°C to +105°C.
2
Specification is not production tested but is supported by characterization data at initial product release.
3
Digital inputs equal to DV
DD
or DGND.