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LT1112 - LT1112是Dual/Quad Low Power Precision, Picoamp Input Op Amps

LT1112是LINEAR凌力尔特公司的一款精准放大器产品，LT1112是LT1112是Dual/Quad Low Power Precision, Picoamp Input Op Amps，本站介绍了LT1112的封装应用图解、特点和优点、功能等，并给出了与LT1112相关的LINEAR元器件型号供参考。

LT1112 - LT1112是Dual/Quad Low Power Precision, Picoamp Input Op Amps - 精准放大器 - 航天和严酷环境 - 凌力尔特

LT1112 - Dual/Quad Low Power Precision, Picoamp Input Op Amps

LT1112 - Dual/Quad Low Power Precision, Picoamp Input Op Amps - Linear Technology（凌力尔特）

功能描述

The LT1112 dual and LT1114 quad op amps achieve a 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 instrumentation 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

特点

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: 0.3µVP-P, 2.2pAP-P

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

应用

Picoampere/Microvolt Instrumentation

Two and Three Op Amp Instrumentation Amplifers

Thermocouple and Bridge Amplifiers

Low Frequency Active Filters

Photo Current Amplifiers

Battery-Powered Systems

以下列出了不同封装及包装形式的具体型号,并标出了直接在linear官网上订货的价格（美元）

器件型号	封装	温度	价格 (以 1 ~ 99 片为批量)	价格 (以 1000 片为批量)
LT1112ACN8	N-8	C	$4.17	$3.40
LT1112ACN8#PBF	N-8	C	$4.17	$3.40
LT1112CN8	N-8	C	$2.92	$2.35
LT1112CN8#PBF	N-8	C	$2.92	$2.35
LT1112IN8	N-8	I	$3.10	$2.55
LT1112IN8#PBF	N-8	I	$3.10	$2.55
LT1112IS8	SO-8	I	$3.30	$2.75
LT1112IS8#PBF	SO-8	I	$3.30	$2.75
LT1112IS8#TR	SO-8	I		$2.81
LT1112IS8#TRPBF	SO-8	I		$2.81
LT1112MJ8	CERDIP-8	M		$28.80
LT1112MPS8	SO-8	MP
LT1112MPS8#PBF	SO-8	MP	$12.01	$7.78
LT1112MPS8#TR	SO-8	MP
LT1112MPS8#TRPBF	SO-8	MP	$12.01	$7.78
LT1112S8	SO-8	C	$3.25	$2.55
LT1112S8#PBF	SO-8	C	$3.25	$2.55
LT1112S8#TR	SO-8	C		$2.61
LT1112S8#TRPBF	SO-8	C		$2.61

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