INA128-HT, INA129-HT

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SBOS501F – JANUARY 2010 – REVISED FEBRUARY 2015

Electrical Characteristics: INA128-HT (continued)

over operating free-air temperature range (unless otherwise noted)

TA = –55°C to +125°C

TA = 175°C

(1)

TEST

PARAMETER

UNIT

CONDITIONS

MIN

TYP

MAX

MIN

TYP

MAX

GAIN

1 +

1 +

Gain equation

V/V

(50 k

Ω/RG)

(50 k

Ω/RG)

Range of gain

1

10000

1

10000

V/V

G = 1

±0.01

±0.1

±0.1%

±0.5%

G = 10

±0.02

±0.5

±0.5%

±1%

Gain error

G = 100

±0.05

±0.7

±0.7%

±1.5%

G = 1000

±0.5

±2.5

±2%

±4%

Gain vs temperature(3)

G = 1

±1

±10

±75

ppm/°C

50-k

Ω resistance(3)(4)

±25

±100

±75

ppm/°C

VO = ±13.6 V,

±0.0001

±0.001

±0.008

G = 1

G = 10

±0.0003

±0.002

±0.01

Nonlinearity

% of FSR

G = 100

±0.0005

±0.002

±0.01

G = 1000

±0.001

See (5)

±0.6

See (5)

OUTPUT

Positive

RL = 10 kΩ

(V+)

− 1.4

(V+)

− 0.9

(V+)

− 1.4

(V+)

− 0.9

Voltage

V

Negative

RL = 10 kΩ

(V

−) + 1.4

(V

−) + 0.8

(V

−) + 1.4

(V

−) + 0.8

Load capacitance stability

1000

1000

pF

Short-circuit current

+6/

−15

+6/

−15

mA

FREQUENCY RESPONSE

G = 1

1300

1100

G = 10

700

700

Bandwidth,

−3 dB

kHz

G = 100

200

190

G = 1000

20

17.5

VO = ±10 V,

Slew rate

4

4

V/µs

G = 10

G = 1

7

7

G = 10

7

7

Settling time, 0.01%

µs

G = 100

9

9

G = 1000

80

80

Overload recovery

50% overdrive

4

4

µs

POWER SUPPLY

Voltage range

±2.25

±15

±18

±2.25

±15

±18

V

Current, total

VIN = 0 V

±0.7

±1

±1

mA

TEMPERATURE RANGE

Specification

−55

+125

175

°C

Operating

−55

+125

175

°C

(3)

Specified by wafer test.

(4)

Temperature coefficient of the 50-k

Ω term in the gain equation.

(5)

Nonlinearity measurements in G = 1000 are dominated by noise. Typical nonlinearity is ±0.001%.

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