LT1114 Dual/Quad Low Power Precision, Picoamp Input Op

The LT®1112 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

产品特点 Features

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

封装

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

典型应用图

参数

LT1114 订购信息和价格参考Package Variations and Pricing

器件型号	封装	引脚	温度	价格 (以 1 ~ 99 片为批量)	价格 (以 1000 片为批量) *
LT1114ACN	PDIP	14	C	$8.08	$6.40
LT1114ACN#PBF	PDIP	14	C	$8.08	$6.40
LT1114CN	PDIP	14	C	$5.67	$4.40
LT1114CN#PBF	PDIP	14	C	$5.67	$4.40
LT1114IN	PDIP	14	I	$5.90	$4.85
LT1114IN#PBF	PDIP	14	I	$5.90	$4.85
LT1114IS	SO	16	I	$6.15	$5.10
LT1114IS#PBF	SO	16	I	$6.15	$5.10
LT1114IS#TR	SO	16	I		$5.16
LT1114IS#TRPBF	SO	16	I		$5.16
LT1114MJ	CERDIP	14	M		$52.50
LT1114S	SO	16	C	$5.92	$4.65
LT1114S#PBF	SO	16	C	$5.92	$4.65
LT1114S#TR	SO	16	C		$4.71
LT1114S#TRPBF	SO	16	C		$4.71

LT1114 数据手册及相关资料下载

数据手册(英文) : LT1112/LT1114 - Dual/Quad Low Power Precision, Picoamp Input Op.PDF
应用指南 (英文) : AN67 - linear Technology Magazine Circuit Collection, Volume III.PDF
设计要点 (英文) : DN107 - C-Load TM Op Amps Conquer Instabilities.PDF
设计要点 (英文) : DN214 - Selecting Op Amps for Precision 16-Bit DACs.PDF
设计要点 (英文) : DN83 - C-Load TM Op Amps Tame Instabilities.PDF
可靠性数据 : R258 Reliability Data .PDF
LT Journal : May 2000 New Rail-to-Rail Output Op Amps Bring Precision Performance to Low Voltage Systems.PDF
LT Journal : September 2009 - Consider New Precision Amplifiers for Updated Industrial Equipment Designs.PDF