7.5 Electrical Characteristics

at TA = 25 °C, VS = 5 V, VSENSE = VIN+ – VIN–, VCM = 12 V, and VREF1 = VREF2 = VS / 2 (unless otherwise noted)

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

INPUT

VCM

Common-mode input range

VIN+ = –4 V to 80 V, VSENSE = 0 mV

TA = – 40°C to 125°C

–4

80

V

CMRR

Common-mode rejection ratio

VIN+ = –4 V to 80 V, VSENSE = 0 mV

TA = –40°C to 125°C

120

132

dB

f = 50 kHz

93

VOS

Offset voltage, input-referred

VSENSE = 0 mV

±5

±25

µV

dVOS/dT

Offset voltage drift

VSENSE = 0 mV, TA = –40°C to 125°C

±50

±250

nV/°C

PSRR

Power-supply rejection ratio

VS = 2.7 V to 5.5 V, VSENSE = 0 mV

TA = –40°C to 125°C

±1

±10

µV/V

IB

Input bias current

IB+, IB–, VSENSE = 0 mV

90

µA

Reference input range

0

VS

V

OUTPUT

G

Gain

INA240A1

20

V/V

INA240A2

50

INA240A3

100

INA240A4

200

Gain error

GND + 50 mV ≤ VOUT ≤ VS – 200 mV

±0.05%

±0.20%

TA = –40°C to 125°C

±0.5

±2.5 ppm/°C

Non-linearity error

GND + 10 mV ≤ VOUT ≤ VS – 200 mV

±0.01%

Reference divider accuracy

VOUT = | (VREF1 – VREF2) | / 2 at VSENSE

= 0 mV, TA = –40°C to 125°C

0.02%

0.1%

RVRR

Reference voltage rejection ratio

(input-referred)

INA240A1

20

µV/V

INA240A3

5

INA240A2, INA240A4

2

Maximum capacitive load

No sustained oscillation

1

nF

VOLTAGE OUTPUT(2)

Swing to VS power-supply rail

RL = 10 kΩ to GND

TA = –40°C to 125°C

VS – 0.05

VS – 0.2

V

Swing to GND

RL = 10 kΩ to GND, VSENSE = 0 mV

VREF1 = VREF2 = 0 V, TA = –40°C to

125°C

VGND + 1

VGND + 10

mV

FREQUENCY RESPONSE

BW

Bandwidth

All gains, –3-dB bandwidth

400

kHz

All gains, 2% THD+N(1)

100

Settling time - output settles to 0.5% of

final value

INA240A1

9.6

µs

INA240A4

9.8

SR

Slew rate

2

V/µs

NOISE (INPUT REFERRED)

Voltage noise density

40

nV/√ Hz

POWER SUPPLY

VS

Operating voltage range

TA = –40°C to 125°C

2.7

5.5

V

IQ

Quiescent current

VSENSE = 0 mV

1.8

2.4

mA

IQ vs temperature, TA = –40°C to 125°C

2.6

TEMPERATURE RANGE

Specified range

–40

125

°C

(1)

See the Input Signal Bandwidth section for more details.

(2)

See Figure 7-13.

www.ti.com

INA240

SBOS662C – JULY 2016 – REVISED DECEMBER 2021

Copyright © 2021 Texas Instruments Incorporated

Submit Document Feedback

5

Product Folder Links: INA240