INA281B2IDBVT datasheet(5/28 Pages) TI

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INA281

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SBOSA29 – JUNE 2020

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Electrical Characteristics (continued)

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

OUTPUT

Gain

INA281x1

V/V

INA281x2

V/V

INA281x3

100

V/V

INA281x4

200

V/V

INA281x5

500

V/V

GERR

Gain error

GND + 50 mV

≤ VOUT ≤ VS – 200 mV

±0.07

±0.5

TA = –40 °C to +125 °C

±2

±20

ppm/°C

NLERR

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 –

0.15

Swing to ground

RLOAD = 10 kΩ, VSENSE = 0 V,

TA = –40 °C to +125 °C

0.005

0.02

FREQUENCY RESPONSE

Bandwidth

INA281x1, CLOAD = 5 pF,

VSENSE = 200 mV

1300

kHz

INA281x2, CLOAD = 5 pF,

VSENSE = 80 mV

1300

INA281x3, CLOAD = 5 pF,

VSENSE = 40 mV

1000

INA281x4, CLOAD = 5 pF,

VSENSE = 20 mV

900

INA281x5, CLOAD = 5 pF,

VSENSE = 8 mV

900

Slew rate

Rising edge

2.5

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%

VOUT = 4 V ± 0.1 V step, Output settles

to 5%

NOISE

Ven

Voltage noise density

nV/

√Hz

POWER SUPPLY

Supply voltage

TA = –40 °C to +125 °C

2.7

Quiescent current

1.5

TA = –40 °C to +125 °C

2.25

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