at TA = 25°C, VSENSE = VIN+ – VIN–, VS = 1.8 V to 5.0 V, VIN+ = 12 V, VREF = VS / 2 (INA2191), and VENABLE = VS (unless

otherwise noted)

PARAMETER

CONDITIONS

MIN

TYP

MAX

UNIT

NOISE, RTI(1)

Voltage noise density

75

nV/√Hz

ENABLE

IEN

Leakage input current

0 V ≤ VENABLE ≤ VS

1

100

nA

VIH

High-level input voltage TA = –40°C to +125°C

1.35

5.5

V

VIL

Low-level input voltage TA = –40°C to +125°C

0

0.4

V

VHYS

Hysteresis

100

mV

IODIS

Output leakage

disabled

VS = 1.8 V, VOUT = 0 V to 1.8 V, VENABLE = 0 V

1

5

µA

Output leakage

disabled (INA2191)

VS = 5 V, VOUT = 0 V to 5.0 V, VENABLE = 0 V

1

5

µA

POWER SUPPLY

IQ

Quiescent current

(INA191)

VS = 1.8 V, VSENSE = 0 mV

43

65

µA

VS = 1.8 V, VSENSE = 0 mV, TA = –40°C to +125°C

85

µA

Quiescent current

(INA2191)

VS = 1.8 V, VSENSE = 0 mV (Dual Channel)

96

130

µA

VS = 1.8 V, VSENSE = 0 mV, TA = –40°C to +125°C

180

µA

IQDIS

Quiescent current

disabled (INA191)

VENABLE < 0.4 V, VSENSE = 0 mV (Single Channel)

10

100

nA

IQDIS

Quiescent current

disabled (INA2191)

VENABLE1 < 0.4 V, VENABLE2 = < 0.4 V, VSENSE = 0 mV

20

200

nA

(1)

RTI = referred-to-input.

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INA191, INA2191

SLYS020C – FEBRUARY 2019 – REVISED AUGUST 2021

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