LT1002MJ Linear Technology Corporation, LT1002MJ Datasheet

LT1002MJ

Manufacturer Part Number

LT1002MJ

Description

Manufacturer

Linear Technology Corporation

Datasheets

1.LT1002CJ.pdf (16 pages)

2.LT1002CJ.pdf (16 pages)

3.LT1002CJ.pdf (16 pages)

Specifications of LT1002MJ

Date_code

99+

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Bonase Electronics (HK) Co., Limited

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APPLICATIONS

FEATURES

+15V

8.2k

Guaranteed low offset voltage

Guaranteed offset voltage match

Guaranteed low drift

Guaranteed CMRR

Guaranteed channel separation

Guaranteed maching characteristics

Low noise 0.35 V p-p

Thermocouple Amplifiers

Strain Gauge Amplifiers

Low level signal processing

Medical instrumentation

Precision dual limit threshold detection

Instrumentation amplifiers

LM329

2.0K*

Strain Gauge Signal Conditioner with Bridge Excitation

LT1002A

LT1002

LT1002A

LT1002

LT1002A

LT1002

LT1002A

LT1002

LT1002A

LT1002

4.99k*

–

LT1002

350 BRIDGE

0.9 V/ C max

1.3 V/ C max

100 V max

110dB min

132dB min

110dB min

130dB min

60 V max

40 V max

80 V max

IN4148

–15V

+15V

2N2907

2N2219

100

100 5W

301k

*RN60C FILM RESISTORS

10k

ZERO

TO MONITORING

REFERENCE OUT

A/D CONVERTER

–

LT1001

DESCRIPTION

The LT

combine excellent individual amplifier performance with tight

matching and temperature tracking between amplifiers.

In the design, processing, and testing of the device, particular

attention has been paid to the optimization of the entire

distribution of several key parameters and their matching.

Consequently, the specifications of even the low cost commer-

cial grade (the LT1002C) have been spectacularly improved

compared to presently available devices.

Essentially, the input offset voltage of all units is less than

80 V, and matching between amplifiers is consistently beter

than 60 V (see distribution plot below). Input bias and offset

currents, channel separation, common mode and power suply

rejections of the LT1002C are all specified at levels which were

previsouly attainable only on very expensive, selected grades

of other dual devices. Power dissipation is nearly halved

compared to the most popular precision duals, without ad-

versely affecting noise or speed performance. A by-product of

lower dissipation is decreased warm-up drift. For even better

performance in a single precision op amp, refer to the LT1001

data sheet. A bridge signal conditioning application is shown

below. This circuit illustrates the requirement for both excel-

lent matching and individual amplifier specifications.

, LTC and LT are registered trademarks of Linear Technology Corporation.

1 F

GAIN

TRIM

Dual, Matched Precision

1002 dual, matched precision operational amplifiers

340k*

1.1k*

Operational Amplifier

0 TO 10V

1002 TA01

OUT

Distribution of Offset Voltage Match

–100

–80

INPUT OFFSET VOLTAGE MATCH ( V)

–60 –40

–20

287 UNITS TESTED

LT1002

= 25 C

= 15V

1002 TA02

80 100

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