5

INA302, INA303

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SBOS775C – SEPTEMBER 2016 – REVISED MARCH 2019

Product Folder Links: INA302 INA303

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Copyright © 2016–2019, Texas Instruments Incorporated

(1)

RTI = referred-to-input.

6.5 Electrical Characteristics

at TA = 25°C, VSENSE = 0 V, VREF = VS / 2, VS = 5 V, VIN+ = 12 V, VLIMIT1 = 3 V, and VLIMIT2 = 3 V (INA302) or 2 V (INA303)

(unless otherwise noted)

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

INPUT

VIN

Differential input voltage range

VIN = VIN+ – VIN–, VREF = VS / 2,

A1 versions

0

±125

mV

VIN = VIN+ – VIN–, VREF = VS / 2,

A2 versions

0

±50

VIN = VIN+ – VIN–, VREF = VS / 2,

A3 versions

0

±25

CMRR

Common-mode rejection ratio

VIN+ = 0 V to 36 V,

TA = –40ºC to +125ºC, A1 versions

100

114

dB

VIN+ = 0 V to 36 V, TA = –40ºC to +125ºC,

A2 versions

106

118

VIN+ = 0 V to 36 V,

TA = –40ºC to +125ºC, A3 versions

110

120

VOS

Offset voltage, RTI(1)

A1 versions

±15

±80

µV

A2 versions

±10

±50

A3 versions

±5

±30

dVOS/dT

Offset voltage drift, RTI(1)

TA= –40ºC to +125ºC

0.02

0.25

µV/°C

PSRR

Power-supply rejection ratio

VS = 2.7 V to 5.5 V, VIN+ = 12 V,

TA = –40ºC to +125ºC

±0.3

±5

µV/V

IB

Input bias current

IB+, IB–

115

µA

IOS

Input offset current

VSENSE = 0 mV

±0.01

µA

OUTPUT

G

Gain

A1 versions

20

V/V

A2 versions

50

A3 versions

100

Gain error

VOUT = 0.5 V to VS – 0.5 V, A1 versions

±0.02%

±0.075%

VOUT = 0.5 V to VS – 0.5 V, A2 versions

±0.05%

±0.1%

VOUT = 0.5 V to VS – 0.5 V, A3 versions

±0.1%

±0.15%

TA= –40ºC to +125ºC

3

10

ppm/°C

Nonlinearity error

VOUT = 0.5 V to VS – 0.5 V

±0.01%

Maximum capacitive load

No sustained oscillation

500

pF

VOLTAGE OUTPUT

Swing to VS power-supply rail

RL = 10 kΩ to GND,

TA = –40ºC to +125ºC

VS – 0.05

VS – 0.1

V

Swing to GND

RL = 10 kΩ to GND,

TA = –40ºC to +125ºC

VGND + 15

VGND + 30

mV

FREQUENCY RESPONSE

BW

Bandwidth

A1 versions, COUT = 500 pF

550

kHz

A2 versions, COUT = 500 pF

440

A3 versions, COUT = 500 pF

400

SR

Slew rate

4

V/µs

NOISE, RTI(1)

Voltage noise density

30

nV/

√Hz