6

8

3

1

2

7

4

5

NC

V+

V

OUT

REF

B

−IN

+IN

+

20 k

380 k

380 k

380 k

19 k

REF

A

V−

INA149

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SBOS579A

– SEPTEMBER 2011 – REVISED NOVEMBER 2011

THERMAL INFORMATION

INA149

D (SOIC)

UNITS

8 PINS

Junction-to-ambient thermal resistance

110

Junction-to-case (top) thermal resistance

57

Junction-to-board thermal resistance

54

°C/W

Junction-to-top characterization parameter

11

Junction-to-board characterization parameter

53

Junction-to-case (bottom) thermal resistance

N/A

(1)

For more information about traditional and new thermal metrics, see the IC Package Thermal Metrics application report, SPRA953.

PIN CONFIGURATION

D PACKAGE

SOIC-8

(TOP VIEW)

PIN DESCRIPTIONS

NAME

NO.

DESCRIPTION

–IN

2

Inverting input

+IN

3

Noninverting input

NC

8

No internal connection

5

Reference input

1

Reference input

V

–

4

Negative power supply

V+

7

6

Output

(1)

In this document, (V+)

Copyright

© 2011, Texas Instruments Incorporated

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