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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FEATURES

APPLICATIO S

TYPICAL APPLICATIO

, LTC and LT are registered trademarks of Linear Technology Corporation

Guaranteed low offset voltage

Guaranteed offset voltage match

Guaranteed low drift

Guaranteed CMRR

Guaranteed channel separation

Guaranteed matching characteristics

Low noise 0.35 V

Thermocouple Amplifiers

Strain Gauge Amplifiers

Low level signal processing

Medical instrumentation

Precision dual limit threshold detection

Instrumentation amplifiers

15V

8.2k

LM329

2k*

LT1002A

LT1002

LT1002A

LT1002

LT1002A

LT1002

LT1002A

LT1002

LT1002A

LT1002

4.99k*

Strain Gauge Signal Conditioner with Bridge Excitation

–

LT1002

350 BRIDGE

1/2

P-P

0.9 V/ C max

1.3 V/ C max

100 V max

110dB min

132dB min

130dB min

60 V max

40 V max

80 V max

IN4148

–15V

15V

2N2907

2N2219

100

100 5W

301k*

TO MONITORING

REFERENCE OUT

A/D CONVERTER

*RN60C FILM RESISTORS

10k

ZERO

–

LT1001

1 F

DESCRIPTIO

The LT

fiers 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 commercial grade (LT1002C) have been spec-

tacularly improved compared to presently available de-

vices.

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 speci-

fied 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 adversely affecting noise or speed

performance. A by-product of lower dissipation is de-

creased 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 excellent

matching and individual amplifier specifications.

GAIN

TRIM

Dual, Matched Precision

340k*

1.1k*

1002 dual, matched precision operational ampli-

0V TO 10V

OUT

1002 TA01

Operational Amplifier

Distribution of Offset Voltage Match

–100

–80

INPUT OFFSET VOLTAGE MATCH ( V)

–60 –40

–20

287 UNITS TESTED

= 25 C

= 15V

LT1002

1002 TA02

80 100

1002fb

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