INA821 datasheet(8/52 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

FREQUENCY RESPONSE

Bandwidth, –3 dB

G = 0.2

MHz

G = 1, GIN = 5, GOUT = 0.2

G = 1

GIN = 10

GIN = 100

GIN = 1000

0.8

Slew rate

G = 1, VO = ±10 V

V/µs

Settling time

0.01%

G = 0.2, VSTEP = 2 V

0.24

µs

G = 1, VSTEP = 10 V

0.24

GIN = 10, 100, VSTEP = 10 V

0.5

GIN = 1000, VSTEP = 10 V

1.7

0.001%

G = 0.2, VSTEP = 2 V

0.55

µs

G = 1, VSTEP = 10 V

0.55

GIN = 10,100, VSTEP = 10 V

2.1

GIN = 1000, VSTEP = 10 V

2.5

THD+N

Total harmonic distortion

plus noise

Differential input, f = 10 kHz

G = 0.2, VO = 2 VPP

–109

G = 1, VO = 10 VPP

–110

HD2

Second-order harmonic

distortion

Differential input, f = 10 kHz

G = 0.2, VO = 2 VPP

–131

G = 1, VO = 10 VPP

–128

HD3

Third-order harmonic

distortion

Differential input, f = 10 kHz

G = 0.2, VO = 2 VPP

–119

G = 1, VO = 10 VPP

–121

OUTPUT COMMON-MODE VOLTAGE (VOCM) CONTROL

VOCM Input voltage

TA = –40°C to +125°C

No output clamping

(VS–) + 2.5

(VS+) – 2.5

Output clamp enabled

(VCLAMP–) +

(VCLAMP+) – 1

Small-signal bandwidth

from VOCM pin

VOCM = 100 mVPP

MHz

Large-signal bandwidth

from VOCM pin

VOCM = 0.5-V step

MHz

Slew rate from VOCM pin

VOCM = 0.5-V step

V/µs

DC output balance

VOCM fixed midsupply (VO = ±1 V)

Input impedance VVOCM

250 || 1

kΩ || pF

VOCM offset from mid-

supply

VOCM pin floating

±2

±6

VOCM common-mode

offset voltage

VOCM = VICM, VO = 0 V

±2

±6

TA = –40°C to +125°C

±10

VOCM common-mode

offset voltage drift

VOCM = VICM, VO = 0 V, TA = –40°C to +125°C

±20

±60

µV/°C

INA851

SBOS999A – MARCH 2022 – REVISED OCTOBER 2022

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