Datasheet > LT1179

LT1179

更新时间： 2023-12-20 18:44:45

品牌	Logo	应用领域
亚德诺 - ADI		放大器运算放大器
页数	文件大小	规格书
12页	241K
描述
17μA 最大值、四通道、单电源、精准运算放大器

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LT1179 数据手册

LT1178/LT1179

17µA Max, Dual and Quad,

Single Supply, Precision Op Amps

FEATURES

DESCRIPTIO

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.

■

17µA Max Supply Current per Amplifier

■

70µV Max Offset Voltage

■

250pA Max Offset Current

5nA Max Input Bias Current

■

0.9µV_P-P0.1Hz to 10Hz Voltage Noise

■

1.5pA_P-P0.1Hz to 10Hz Current Noise

The extremely low supply current is combined with true

precision specifications: offset voltage is 30µV, offset

currentis50pA. Bothoffsetparametershavelowdriftwith

temperature. The 1.5pAp-p current noise and picoampere

offset current permit the use of megaohm level source

resistorswithoutintroducingseriouserrors.Voltagenoise,

■

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

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 NiCd

batteries). The input range goes below ground. The

all-NPN output stage swings to within a few millivolts of

ground while sinking current—no power consuming pull

down resistors are needed.

APPLICATIO S

■

Battery or Solar Powered Systems

Portable Instrumentation

Remote Sensor Amplifier

Satellite Circuitry

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, slew

rate,lowervoltagenoiseandbetteroutputdrivecapability.

■

Micropower Sample-and-Hold

Thermocouple Amplifier

Micropower Filters

■

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

TYPICAL APPLICATIO

Self-Buffered, Dual Output, Micropower Reference

Supply Current vs Temperature

–

= ±15V

1.2365V

OUTPUT

1/2 LT1178

4V TO 9V

= 5V, 0V

2.470V

OUTPUT

250k*

1/2 LT1178

= ±1.5V

–

0.1µF

LT1004-1.2

1M*

–50 –25

100

* = 0.1% FILM RESISTORS

TEMPERATURE (°C)

TOTAL BATTERY CURRENT = 28µA

OUTPUT ACCURACY = ±0.4% MAX

TEMPERATURE COEFFICIENT = 20ppm/°C

LT1178/LT1179 • TA02

LOAD REGULATION = 25ppm/mA, I ≤ 5mA, V ≥ 5V

LINE REGULATION = 10ppm/V

LT1178/LT1179 • TA01

11789fb

12 3 4 5 6 7...12

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与LT1179相关器件

型号	品牌	获取价格	描述	数据表
LT1179_15	Linear	获取价格	17A Max, Dual and Quad, Single Supply, Precision Op Amps
LT1179ACJ	Linear	获取价格	17uA Max, Dual and Quad, Single Supply, Precision Op Amps
LT1179ACJ	Linear Systems	获取价格	17uA Max, Dual and Quad, Single Supply, Precision Op Amps
LT1179ACN	Linear	获取价格	17uA Max, Dual and Quad, Single Supply, Precision Op Amps
LT1179ACN	Linear Systems	获取价格	17uA Max, Dual and Quad, Single Supply, Precision Op Amps
LT1179ACN#PBF	Linear	获取价格	LT1179 - 17µA Max, Quad, Single Supply, Precision Op Amps; Package: PDIP; Pins: 1
LT1179AMJ	ETC	获取价格	Voltage-Feedback Operational Amplifier
LT1179C	Linear	获取价格	17uA Max, Dual and Quad, Single Supply, Precision Op Amps
LT1179CJ	Linear Systems	获取价格	17uA Max, Dual and Quad, Single Supply, Precision Op Amps
LT1179CJ	Linear	获取价格	17uA Max, Dual and Quad, Single Supply, Precision Op Amps

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