INA128, INA129

SBOS051C – OCTOBER 1995 – REVISED OCTOBER 2015

www.ti.com

6.3 Recommended Operating Conditions

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

MIN

NOM

MAX

UNIT

V power supply

±2.25

±15

±18

V

V – +2 V

V + –2 V

–55

175

°C

–55

210

°C

6.4 Thermal Information

INA12x

D (SOIC)

P (PDIP)

UNIT

8 PINS

8 PINS

Junction-to-ambient thermal resistance

110

46.1

°C/W

Junction-to-case (top) thermal resistance

57

34.1

°C/W

Junction-to-board thermal resistance

54

23.4

°C/W

Junction-to-top characterization parameter

11

11.3

°C/W

Junction-to-board characterization parameter

53

23.2

°C/W

(1)

For more information about traditional and new thermal metrics, see the Semiconductor and IC Package Thermal Metrics application

report, SPRA953.

6.5 Electrical Characteristics

At TA = 25°C, VS = ±15 V, RL = 10 k

Ω, unless otherwise noted.

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

INPUT

INA128P, U

±10±100/G

±50±500/G

INA129P, U

Initial

µV

INA128PA, UA

±25±100/G

±125±1000/G

INA129PA, UA

INA128P, U

±0.2±2/G

±0.5±0/G

INA129P, U

vs Temperature

µV/°C

Offset

INA128PA, UA

Voltage, RTI

±0.2±5/G

±1±20/G

INA129PA, UA

INA128P, U

±0.2±20/G

±1±100/G

INA129P, U

vs Power Supply

µV/V

±18 V

INA128PA, UA

±2±200/G

INA129PA, UA

Long-Term Stability

±0.1±3/g

µV/mo

Differential

Impedance

Ω || pF

Common-Mode

(V+) - 2

(V+) - 1.4

V

(V-) + 2

(V-) + 1.7

Safe Input Voltage

±40

V

(1)

Input common-mode range varies with output voltage - see Typical Characteristics.

4

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