INA129MDREP datasheet(3/22 Pages) TI1

3 / 22 page

INA129-EP

www.ti.com

SBOS508 – DECEMBER 2009

ELECTRICAL CHARACTERISTICS

At TA = 25°C, VS = ±15 V, RL = 10 kΩ (unless otherwise noted)

Boldface limits apply over the specified temperature range, TA = –55°C to 125°C.

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

INPUT

Offset Voltage, RTI

TA = 25°C

±100 ±800/G

Initial

µV

Over temperature

±150 ±2050/G

TA = 25°C, VS = ±2.25 V to ±18 V

±1.6 ±175/G

vs power supply

µV/V

Over temperature

±1.8 ±175/G

Long-term stability

±1 ±3/G

µV/mo

Impedance, differential

1010 || 2

Ω || pF

Common mode

1011||9

Ω || pF

Common mode voltage range(1)

VO = 0 V

(V+)

− 2

(V+)

− 1.4

−) + 2

−) + 1.7

Safe input voltage

±40

G = 1

Over temperature

G = 10

106

Over temperature

VCM = ±13 V,

Common-mode rejection

ΔRS = 1 kΩ

G = 100

113

125

Over temperature

G = 1000

113

130

Over temperature

CURRENT

±2

±8

Bias current

Over temperature

±16

±1

±8

Offset Current

Over temperature

±16

NOISE

f = 10 Hz

f = 100 Hz

nV/

√Hz

G = 1000,

Noise voltage, RTI

RS = 0 Ω

f = 1 kHz

fB = 0.1 Hz to 10 Hz

0.2

µVpp

f = 10 Hz

0.9

pA/

√Hz

G = 1000,

Noise current

f = 1 kHz

0.3

RS = 0 Ω

fB = 0.1 Hz to 10 Hz

pAPP

GAIN

1 +

Gain equation

V/V

(49.4 k

Ω/RG)

Range of gain

10000

V/V

G = 1

±0.05

±0.1

Over temperature

±0.15

G = 10

±0.02

±0.5

Gain error

Over temperature

±0.65

G = 100

±0.05

±0.65

Over temperature

±1.1

G = 1000

±0.5

±2

(1)

Input common-mode range varies with output voltage — see typical curves.

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