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LT1178 - LT1178是17μA Max, Dual, Single Supply, Precision Op Amps

LT1178是LINEAR凌力尔特公司的一款精准放大器产品，LT1178是LT1178是17μA Max, Dual, Single Supply, Precision Op Amps，本站介绍了LT1178的封装应用图解、特点和优点、功能等，并给出了与LT1178相关的LINEAR元器件型号供参考。

LT1178 - LT1178是17μA Max, Dual, Single Supply, Precision Op Amps - 精准放大器 - 信号调理 - 凌力尔特

LT1178 - 17μA Max, Dual, Single Supply, Precision Op Amps

LT1178 - 17μA Max, Dual, Single Supply, Precision Op Amps - Linear Technology（凌力尔特）

功能描述

The LT?1178 is a micropower dual op amp in the standard 8-pin configuration; the LT1179 is a micropower quad op amp offered in the standard 14-pin packages. Both devices are optimized for single supply operation at 5V. Specifications are also provided at ±15V supplies.

The extremely low supply current is combined with true precision specifications: offset voltage is 30μV, offset currentis 50pA. Both offset parameters have low drift with temperature. The 1.5pAp-p current noise and picoampere offset current permit the use of megaohm level source resistors without introducing serious errors. Voltage noise, at 0.9μVp-p, is remarkably low considering the low supply current.

Both the LT1178 and LT1179 can be operated from a single supply (as low as one lithium cell or two NiCdbatteries). The input range goes below ground. The all-NPN output stage swings to within a few millivolts ofground while sinking current?no power consuming pull down resistors are needed.

For applications where three times higher supply current is acceptable, the micropower LT1077 single,LT1078 dual and LT1079 quad are recommended. The LT1077/78/79 have significantly higher bandwidth, slewrate, lower voltage noise and better output drive capability.

特点

17µA Max Supply Current per Amplifier

70µV Max Offset Voltage

250pA Max Offset Current

5nA Max Input Bias Current

0.9µVp-p 0.1Hz to 10Hz Voltage Noise

1.5pAp-p 0.1Hz to 10Hz Current Noise

0.5µV/°C Offset Voltage Drift

85kHz Gain-Bandwidth-Product

0.04V/μs Slew Rate

Single Supply Operation

Input Voltage Range Includes Ground

Output Swings to Ground while Sinking Current

No Pull Down Resistors are Needed

Output Sources and Sinks 5mA Load Current

应用

Battery or Solar Powered Systems

Portable Instrumentation

Remote Sensor Amplifier

Satellite Circuitry

Micropower Sample and Hold

Thermocouple Amplifier

Micropower Filters

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)
LT1178ACN8	N-8	C	$6.67	$5.40
LT1178ACN8#PBF	N-8	C	$6.67	$5.40
LT1178CN8	N-8	C	$3.67	$2.95
LT1178CN8#PBF	N-8	C	$3.67	$2.95
LT1178IN8	N-8	I	$4.58	$3.75
LT1178IN8#PBF	N-8	I	$4.58	$3.75
LT1178S8	SO-8	C	$4.65	$3.75
LT1178S8#PBF	SO-8	C	$4.65	$3.75
LT1178S8#TR	SO-8	C		$3.81
LT1178S8#TRPBF	SO-8	C		$3.81
LT1178SW	SW-16	C	$4.92	$4.10
LT1178SW#PBF	SW-16	C	$4.92	$4.10
LT1178SW#TR	SW-16	C		$4.16
LT1178SW#TRPBF	SW-16	C		$4.16

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