INA159 datasheet(7/52 Pages) TI

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7.5 Electrical Characteristics (continued)

at TA = 25°C, VS = ±15 V, VICM = VOCM = midsupply, VCLAMP+ = VS+, VCLAMP– = VS–, G = GIN = GOUT = 1 V/V, and RL = 10 kΩ

(unless otherwise noted)

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

BIAS CURRENT

Input bias current

TA = –40°C to +125°C(4)

Input bias current drift

TA = –40°C to +125°C

pA/°C

IOS

Input offset current

0.5

5.5

TA = –40°C to +125°C(4)

Input offset current drift

TA = –40°C to +125°C

pA/°C

NOISE VOLTAGE

eNI

Input stage voltage noise

density

f = 1 kHz, G = 1000

3.2

nV/√Hz

Input stage voltage noise

fB = 0.1 Hz to 10 Hz, G = 1000

0.1

µVPP

eNO

Output stage voltage

noise density(7)

f = 1 kHz

G = 0.2

nV/√Hz

G = 1

G = 1;

GIN = 5, GOUT = 0.2

Output stage voltage

noise(7)

fB = 0.1 Hz to 10 Hz

G = 0.2

5.0

µVPP

G = 1

2.8

µVPP

Current noise density

f = 1 kHz, GIN = 1000

0.8

pA/√Hz

Current noise

fB = 0.1 Hz to 10 Hz, G = 100

pAPP

GAIN

Gain equation

G = GIN × GOUT

(1 + (6 kΩ / RG)) × (0.2 or 1)

V/V

Gain

GOUT = 0.2

0.2

2000

V/V

GOUT = 1

10000

Gain error

G = 0.2, VO = ±2 V

±0.1

G = 1, VO = ±10 V

±0.02

GIN ≥ 10, VO = ±10 V

±0.2

Gain drift(6)

TA = –40°C to +125°C(4)

G = 0.2

±5

ppm/°C

G = 1

±5

GIN > 1

±35

Gain nonlinearity

G = 0.2, VO = –2 V to +2 V

±5

ppm

G = 1, VO = –10 V to +10 V

±5

OUTPUT

Output voltage swing

IOUT = 10 mA,

TA = –40°C to +125°C

No output clamping

(VCLAMP+ = VS+,

VCLAMP– = VS–)

(VS–) + 1.4

(VS+) – 1.4

Output clamping enabled

(VCLAMP+ = VS+ –1.5 V,

VCLAMP– = VS–+1.5 V)

(VCLAMP–) –

0.1

(VCLAMP+) +

0.1

Load capacitance

Stable operation for differential load

100

Closed-loop output

impedance

f = 1 MHz

0.9

Ω

ISC

Short-circuit current

TA = –40°C to 125°C, continuous to VS / 2

±37

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INA851

SBOS999A – MARCH 2022 – REVISED OCTOBER 2022

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