Texas Instruments INA143 Bedienungsanleitung

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©1999 Burr-Brown CorporationPDS-1531APrinted in U.S.A. June, 1999

®

FEATURES

●DESIGNED FOR LOW COST

●G = 10V/V or G = 0.1V/V

●SINGLE, DUAL VERSIONS

●LOW OFFSET VOLTAGE:

±250µV max, ±3µV/°C max

●LOW GAIN ERROR: 0.01%

●HIGH SLEW RATE: 5V/µs

●FAST SETTLING TIME: 9µs to 0.01%

●LOW QUIESCENT CURRENT: 950µA

●WIDE SUPPLY RANGE: ±2.25V to ±18V

●SO-8 and SO-14 PACKAGES

APPLICATIONS

●DIFFERENTIAL INPUT AMPLIFIER

BUILDING BLOCK

●DIFF IN/DIFF OUT AMPLIFIER

●GAIN = –10 INVERTING AMPLIFIER

●GAIN = +10 NON-INVERTING AMPLIFIER

●GAIN = +11 NON-INVERTING AMPLIFIER

●SYNCHRONOUS DEMODULATOR

●CURRENT/DIFFERENTIAL LINE RECEIVER

●VOLTAGE-CONTROLLED CURRENT SOURCE

●BATTERY POWERED SYSTEMS

●LOW COST AUTOMOTIVE

DESCRIPTION

The INA143 and INA2143 are high slew rate, gain of

10V/V or 0.1V/V difference amplifiers consisting of a

precision op amp with a precision resistor network. The

on-chip resistors are laser trimmed for accurate gain and

high common-mode rejection. Excellent TCR tracking

of the resistor maintains gain accuracy and common-

mode rejection over temperature. They operate over a

wide supply range, ±2.25V to ±18V (+4.5V to +36V

single supply), and input common-mode voltage range

extends beyond the positive and negative supply rails.

INA143

INA2143

High-Speed, Precision, G = 10 or G = 0.1

DIFFERENCE AMPLIFIERS

International Airport Industrial Park • Mailing Address: PO Box 11400, Tucson, AZ 85734 • Street Address: 6730 S. Tucson Blvd., Tucson, AZ 85706 • Tel: (520) 746-1111

Twx: 910-952-1111 • Internet: http://www.burr-brown.com/ • Cable: BBRCORP • Telex: 066-6491 • FAX: (520) 889-1510 • Immediate Product Info: (800) 548-6132

The differential amplifier is the foundation of many

commonly used circuits. The low cost INA143 and

INA2143 provide this precision circuit function without

using an expensive precision network.

The single version, INA143, package is the SO-8 surface

mount. The dual version, INA2143, package is the SO-14

surface mount. Both are specified for operation over the

extended industrial temperature range, –40°C to +85°C.

Operation is from –55°C to +125°C.

10kΩ100kΩ

Sense

INA143

Output

V+

Ref

–In

+In

5

6

1

2

7

V–

4

3

10kΩ100kΩ

Sense A

INA2143

Out A

V+

Ref A

–In A

+In A

12

13

14

2

11

V–

4

3

10kΩ100kΩ

10kΩ100kΩ

10kΩ100kΩ

10kΩ100kΩ

B

A

Sense B

Out B

Ref B

–In B

+In B

10

9

8

6

5

INA143

IN

A

2143

For most current data sheet and other product

information, visit www.burr-brown.com

SBOS116

Produktspezifikationen