INA290 datasheet(6/45 Pages) TI2

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6.5 Electrical Characteristics

at TA = 25 °C, VS = 5 V, VSENSE = VIN+ – VIN– = 0.5 V / Gain, VCM = VIN– = 48 V (unless otherwise noted)

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

INPUT

CMRR

Common-mode rejection ratio

VCM = 2.7 V to 120 V, TA = –40°C to +125°C

140

160

f = 50 kHz

Vos

Offset voltage, input referred

A1 devices, INA290, INA2290

±25

µV

A1 devices, INA4290

±32

A2 devices

±20

A3 devices

±15

A4, A5 devices

±12

dVos/dT Offset voltage drift

TA = –40°C to +125°C

0.2

µV/

℃

PSRR

Power supply rejection ratio,

input referred

VS = 2.7 V to 20 V, TA = –40°C to +125°C

0.05

±0.5

µV/V

Input bias current

IB+, VSENSE = 0 mV

µA

IB–, VSENSE = 0 mV

OUTPUT

Gain

A1 devices

V/V

A2 devices

A3 devices

100

A4 devices

200

A5 devices

500

Gain error

A1, A2, A3 devices,

GND + 50 mV ≤ VOUT ≤ VS – 200 mV

0.02

±0.1

A4, A5 devices,

GND + 50 mV ≤ VOUT ≤ VS – 200 mV

0.02

±0.15

Gain error drift

TA = –40°C to +125°C

1.5

5 ppm/°C

Nonlinearity error

0.01

Maximum capacitive load

No sustained oscillations, no isolation resistor

500

VOLTAGE OUTPUT

Swing to VS power supply rail RLOAD = 10 kΩ, TA = –40°C to +125°C

VS – 0.07

VS – 0.2

Swing to ground

RLOAD = 10 kΩ, VSENSE = 0 V, TA = –40°C to

+125°C

0.005

0.025

FREQUENCY RESPONSE

Bandwidth

A1 devices, CLOAD = 5 pF, VSENSE = 200 mV

1100

kHz

A2 devices, CLOAD = 5 pF, VSENSE = 80 mV

1100

A3 devices, CLOAD = 5 pF, VSENSE = 40 mV

900

A4 devices, CLOAD = 5 pF, VSENSE = 20 mV

850

A5 devices, CLOAD = 5 pF, VSENSE = 8 mV

800

Slew rate

V/µs

Settling time

VOUT = 4 V ± 0.1 V step, output settles to 0.5%

µs

VOUT = 4 V ± 0.1 V step, output settles to 1%

NOISE

Ven

Voltage noise density

nV/√Hz

INA290, INA2290, INA4290

SBOS961C – JUNE 2020 – REVISED JUNE 2021

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