7.5 Electrical Characteristics

at TA = 25 °C, VS = 5 V, VSENSE = VIN+ – VIN–, VCM = VIN– = 48 V, and VREF1 = VREF2 = VS / 2 (unless otherwise noted)

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

INPUT

VCM

Common-mode input range(1)

VIN+, VIN– = –5 V to 110 V, VSENSE = 0 mV

TA = –40°C to 125°C

–5

110

V

CMRR

Common-mode rejection ratio, input-

referred

VIN+, VIN– = –5 V to 110 V, VSENSE = 0 mV

TA = –40°C to 125°C, INA241A

150

166

dB

VIN+, VIN– = –5 V to 110 V, VSENSE = 0 mV

TA = –40°C to 125°C, INA241B

120

130

f = 50 kHz

105

Vos

Offset voltage, input-referred

VSENSE = 0 mV, INA241A1

±5

±20

µV

VSENSE = 0 mV, INA241A2

±3

±15

VSENSE = 0 mV, INA241A3, INA241A4

±3

±10

VSENSE = 0 mV, INA241A5

±2

±8

VSENSE = 0 mV, INA241B

±25

±150

dVos/dT

Offset voltage drift, input-referred

TA = –40°C to 125°C, INA241A1

±50

±250

nV/°C

TA = –40°C to 125°C, INA241A2

±30

±150

TA = –40°C to 125°C, INA241A3,

INA241A4, INA241A5

±20

±100

TA = –40°C to 125°C, INA241B

±100

±500

PSRR

Power-supply rejection ratio, input-

referred

VS = 2.7 V to 20 V, VSENSE = 0 mV,

VREF1 = VREF2 = 1V,

TA = –40°C to 125°C, INA241A1

±0.2

±1

µV/V

VS = 2.7 V to 20 V, VSENSE = 0 mV,

VREF1 = VREF2 = 1V,

TA = –40°C to 125°C, INA241A2

±0.1

±0.75

VS = 2.7 V to 20 V, VSENSE = 0 mV,

VREF1 = VREF2 = 1V,

TA = –40°C to 125°C, INA241A3,

INA241A4, INA241A5

±0.06

±0.5

VS = 2.7 V to 20 V, VSENSE = 0 mV,

VREF1 = VREF2 = 1V,

TA = –40°C to 125°C, INA241B

±1

±10

IB

Input bias current

IB+, IB–, VSENSE=0 mV

25

35

45

uA

Reference input range

0

VS

V

OUTPUT

G

Gain

A1, B1 Devices

10

V/V

A2, B2 Devices

20

V/V

A3, B3 Devices

50

V/V

A4, B4 Devices

100

V/V

A5, B5 Devices

200

V/V

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INA241A, INA241B

SBOSA30A – MARCH 2022 – REVISED AUGUST 2022

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