INA191 datasheet(7/41 Pages) TI

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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

VSN

Swing to GND

VS = 1.8 V, RL = 10 kΩ to GND, TA = –40°C to +125°C,

VSENSE = –10 mV, VREF = 0 V (INA2191)

(VGND) +

0.05

(VGND) + 1

VZL

Zero current output

voltage

VS = 1.8 V, RL = 10 kΩ to GND,

TA = –40°C to +125°C, VSENSE = 0 mV,

VREF = 0 V (INA2191)

A1, A2, A3

devices

(VGND) + 1 (VGND) + 3

A4 devices

(VGND) + 2 (VGND) + 4

A5 devices

(VGND) + 3 (VGND) + 7

FREQUENCY RESPONSE

Bandwidth

A1 devices, CLOAD = 10 pF

kHz

A2 devices, CLOAD = 10 pF

A3 devices, CLOAD = 10 pF

A4 devices, CLOAD = 10 pF

A5 devices, CLOAD = 10 pF

Slew rate

VS = 5.0 V, VOUT = 0.5 V to 4.5 V

0.3

V/µs

Settling time

From current step to within 1% of final value

µs

NOISE, RTI(1)

Voltage noise

density

nV/√Hz

ENABLE

IEN

Leakage input

current

0 V ≤ VENABLE ≤ VS

100

VIH

High-level input

voltage

1.35

5.5

VIL

Low-level input

voltage

0.4

VHYS

Hysteresis

100

IODIS

Output leakage

disabled

VS = 1.8 V, VOUT = 0 V to 5.0 V, VENABLE = 0 V

µA

POWER SUPPLY

Quiescent current

(INA191)

VS = 1.8 V, VSENSE = 0 mV

µA

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

µA

Quiescent current

(INA2191)

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

130

µA

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

186

µA

IQDIS

Quiescent current

disabled (INA191)

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

100

IQDIS

Quiescent current

disabled (INA2191)

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

200

(1)

RTI = referred-to-input.

www.ti.com

INA191, INA2191

SLYS020B – FEBRUARY 2019 – REVISED FEBRUARY 2021

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