LT1114CNPBF Linear Technology Corporation, LT1114CNPBF Datasheet

LT1114CNPBF

Manufacturer Part Number

LT1114CNPBF

Description

DIP14

Manufacturer

Linear Technology Corporation

Datasheets

1.LT1114CNPBF.pdf (16 pages)

2.LT1114CNPBF.pdf (16 pages)

Specifications of LT1114CNPBF

Date_code

07+

Current page: 1 of 16
Download datasheet (340Kb)

FEATURES

TYPICAL APPLICATIO

■

APPLICATIO S

75k

0.1%

46.4k

0.1%

Picoampere/Microvolt Instrumentation

Two and Three Op Amp Instrumentation Amplifers

Thermocouple and Bridge Amplifiers

Low Frequency Active Filters

Photo Current Amplifiers

Battery-Powered Systems

Offset Voltage – Prime Grade: 60µV Max

Offset Voltage – Low Cost Grade

(Including Surface Mount Dual/Quad): 75µV Max

Offset Voltage Drift: 0.5µV/°C Max

Input Bias Current: 250pA Max

0.1Hz to 10Hz Noise: 0.3µV

Supply Current per Amplifier: 400µA Max

CMRR: 120dB Min

Voltage Gain: 1 Million Min

Guaranteed Specs with ±1.0V Supplies

Guaranteed Matching Specifications

SO-8 Package – Standard Pinout

LT1114 in Narrow Surface Mount Package

15k

LT1004-1.2

Dual Output, Buffered Reference (On Single 3V Supply)

–

1/2 LT1112

P-P

LT1112/14 • TA01

, 2.2pA

2.000V

0.765V

TOTAL SUPPLY CURRENT = 700µA

2V REFERENCE: SOURCES 1.7mA, SINKS 5mA

OPTIONAL R

CURRENT TO 5mA

0.765V REFERENCE: SOURCES 5mA,

SINKS 0.5mA

TEMPERATURE COEFFICIENT LIMITED

BY REFERENCE = 20ppm/°C

MINIMUM SUPPLY = 2.7V

P-P

= 300Ω INCREASES SOURCE

Precision, Picoamp Input Op Amps

DESCRIPTIO

The LT

new standard in combining low cost and outstanding

precision specifications.

The performance of the selected prime grades matches or

exceeds competitive devices. In the design of the LT1112/

LT1114 however, particular emphasis has been placed on

optimizing performance in the low cost plastic and SO

packages. For example, the 75µV maximum offset voltage

in these low cost packages is the lowest on any dual or

quad non-chopper op amp.

The LT1112/LT1114 also provide a full set of matching

specifications, facilitating their use in such matching

dependent applications as two and three op amp instru-

mentation amplifiers.

Another set of specifications is furnished at ±1V supplies.

This, combined with the low 320µA supply current per

amplifier, allows the LT1112/LT1114 to be powered by

two nearly discharged AA cells.

Protected by U.S. Patents 4,575,685; 4,775,884 and 4,837,496

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

1112 dual and LT1114 quad op amps achieve a

Dual/Quad Low Power

–70

Distribution of Input Offset Voltage

–50

= ±15V

= 25°C

INPUT OFFSET VOLTAGE (µV)

–30

(In All Packages)

LT1112/LT1114

–10

LT1112/14 • TA02

111214fb

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