LT1677

更新时间： 2024-11-17 22:51:47

品牌	Logo	应用领域
凌特 - Linear		运算放大器放大器电路
页数	文件大小	规格书
16页	243K
描述
Low Noise, Rail-to-Rail Precision Op Amp

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LT1677 技术参数

是否Rohs认证：	不符合	生命周期：	Transferred
包装说明：	,	Reach Compliance Code：	compliant
风险等级：	5.68	Base Number Matches：	1

LT1677 数据手册

Final Electrical Specifications

LT1677

Low Noise, Rail-to-Rail

Precision Op Amp

February 2000

FEATURES

DESCRIPTIO

The LT^®1677 features the lowest noise performance avail-

able for a rail-to-rail operational amplifier: 3.2nV/√Hz

wideband noise, 1/f corner frequency of 13Hz and 70nV

peak-to-peak 0.1Hz to 10Hz noise. Low noise is combined

with outstanding precision: 20µV offset voltage and

0.2µV/°C drift, 130dB common mode and power supply

rejection and 7.2MHz gain bandwidth product. The com-

mon mode range exceeds the power supply by 100mV.

■

Rail-to-Rail Input and Output

100% Tested Low Voltage Noise:

■

3.2nV/√Hz Typ at 1kHz

4.5nV/√Hz Max at 1kHz

■

Offset Voltage: 60µV Max

■

Low V_OSDrift: 0.2µV/°C Typ

■

Low Input Bias Current: 20nA Max

■

Wide Supply Range: 3V to ±15V

■

High A_VOL: 4V/µV Min, R_L= 1k

The voltage gain of the LT1677 is extremely high, especially

with a single supply: 20 million driving a 1k load.

■

High CMRR: 109dB Min

High PSRR: 108dB Min

■

In the design, processing and testing of the device, particular

attention has been paid to the optimization of the entire

distribution of several key parameters. Consequently, the

specifications of even the lowest cost grade have been

spectacularly improved compared to competing rail-to-rail

amplifiers.

■

Gain Bandwidth Product: 7.2MHz

Slew Rate: 2.5V/µs

Operating Temperature Range: –40°C to 85°C

■

APPLICATIO S

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

■

Low Noise Signal Processing

■

Microvolt Accuracy Threshold Detection

■

Strain Gauge Amplifiers

Tape Head Preamplifiers

Direct Coupled Audio Gain Stages

Infrared Detectors

■

TYPICAL APPLICATIO

Precision High Side Current Sense

SOURCE

–

LT1677

LINE

0.1Ω

ZETEX

BC856B

OUT

LOAD

OUT

20k

= R

LINE

LOAD

= 2V/AMP

1677 TA01

Information furnished by Linear Technology Corporation is believed to be accurate and reliable.

However, no responsibility is assumed for its use. Linear Technology Corporation makes no represen-

tationthattheinterconnectionofitscircuitsasdescribedhereinwillnotinfringeonexistingpatentrights.

12 3 4 5 6 7...16

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与LT1677相关器件

型号	品牌	获取价格	描述	数据表
LT1677_1	Linear	获取价格	Low Noise, Rail-to-Rail Precision Op Amp
LT1677C	Linear	获取价格	Low Noise, Rail-to-Rail Precision Op Amp
LT1677CN8	Linear	获取价格	Low Noise, Rail-to-Rail Precision Op Amp
LT1677CN8#TR	Linear	获取价格	暂无描述
LT1677CS8	Linear	获取价格	Low Noise, Rail-to-Rail Precision Op Amp
LT1677CS8#PBF	Linear	获取价格	暂无描述
LT1677CS8#TRPBF	Linear	获取价格	LT1677 - Low Noise, Rail-to-Rail Precision Op Amp; Package: SO; Pins: 8; Temperature Range
LT1677I	Linear	获取价格	Low Noise, Rail-to-Rail Precision Op Amp
LT1677IN8	Linear	获取价格	Low Noise, Rail-to-Rail Precision Op Amp
LT1677IN8#PBF	Linear	获取价格	LT1677 - Low Noise, Rail-to-Rail Precision Op Amp; Package: PDIP; Pins: 8; Temperature Ran

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