Datasheet > LT1637

LT1637

更新时间： 2024-11-10 14:57:39

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
16页	357K
描述
1.1MHz、0.4V/μs Over-The-Top 微功率、轨至轨输入和输出运算放大器

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中文翻译

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LT1637 数据手册

LT1637

1.1MHz, 0.4V/µs

Over-The-Top Micropower, Rail-To-Rail

Input and Output Op Amp

DESCRIPTIO

FEATURES

Operates with Inputs Above V⁺

The LT^®1637 is a rugged op amp that operates on all single

and split supplies with a total voltage of 2.7V to 44V. The

■

Rail-to-Rail Input and Output

■

Micropower: 250µA Supply Current Max

Operating Temperature Range: – 55°C to 125°C

Gain-Bandwidth Product: 1.1MHz

Slew Rate: 0.4V/µs

LT1637 has a gain-bandwidth product of 1.1MHz while

drawing less than 250µA of quiescent current. The LT1637

can be shut down, making the output high impedance and

reducing the quiescent current to only 3µA. The LT1637 is

reversesupplyprotected:itdrawsvirtuallynocurrentforre-

verse supply up to 25V. The input range of the LT1637 in-

cludesbothsuppliesandtheoutputswingstobothsupplies.

Unlike most micropower op amps, the LT1637 can drive

heavyloads;itsrail-to-railoutputdrives25mA.TheLT1637

is unity-gain stable into all capacitive loads up to 4700pF

when optional 0.22µF and 150Ω compensation is used.

■

Low Input Offset Voltage: 350µV Max

Single Supply Input Range: –0.4V to 44V

High Output Current: 25mA Min

Specified on 3V, 5V and ±15V Supplies

Output Shutdown

Output Drives 4700pF with Output Compensation

Reverse Battery Protection to 25V

High Voltage Gain: 800V/mV

High CMRR: 110dB

Available in 8-Lead MSOP, PDIP and SO Packages;

The LT1637 has a unique input stage that operates and

remains high impedance when above the positive supply.

The inputs take 44V both differential and common mode,

even when operating on a 3V supply. Built-in resistors

protect the inputs for faults below the negative supply up

to 22V. There is no phase reversal of the output for inputs

5V below V_EEor 44V above V_EE, independent of V_CC.

^{and a Tiny (3mm}U^{× 3mm × 0.8mm) DFN Package}

APPLICATIO S

■

Battery or Solar Powered Systems:

Portable Instrumentation

Sensor Conditioning

The LT1637 op amp is available in the 8-pin MSOP, PDIP

and SO packages. For space limited applications, the

LT1637 is available in a 3mm × 3mm × 0.8mm dual fine

pitch leadless package (DFN).

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

Over-The-Top is a registered trademark of Linear Technology Corporation.

All other trademarks are the property of their respective owners.

■

Supply Current Sensing

■

Battery Monitoring

MUX Amplifiers

4mA to 25mA Transmitters

■

TYPICAL APPLICATIO

Over-The-Top^®Current Source with Shutdown

Current Source Timing

Switchable Precision Current Source

4V TO 44V

V_SHDN

4.7µF

LT1004-1.2

–

LT1637

TP0610

10mA

5mA

1.2

I_OUT

OUT

e.g., 10mA = 120Ω

OUT

0mA

SHDN

*OPTIONAL FOR LOW OUTPUT CURRENTS,

R* = R

1637 TA01

1637 TA01b

100µs/DIV

1637fd

12 3 4 5 6 7...16

中文翻译

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与LT1637相关器件

型号	品牌	获取价格	描述	数据表
LT1637_1	Linear	获取价格	1.1MHz, 0.4V/μs Over-The-Top Micropower, Rail
LT1637CDD	Linear	获取价格	1.1MHz, 0.4V/μs Over-The-Top Micropower, Rail
LT1637CDD#TR	Linear	获取价格	LT1637 - 1.1MHz, 0.4V/us Over-The-Top Micropower, Rail-To-Rail Input and Output Op Amp; Pa
LT1637CDD#TRPBF	Linear	获取价格	LT1637 - 1.1MHz, 0.4V/us Over-The-Top Micropower, Rail-To-Rail Input and Output Op Amp; Pa
LT1637CMS8	Linear	获取价格	1.1MHz, 0.4V/us Over-The-Top Micropower, Rail-To-Rail Input and Output Op Amp
LT1637CMS8#PBF	Linear	获取价格	LT1637 - 1.1MHz, 0.4V/us Over-The-Top Micropower, Rail-To-Rail Input and Output Op Amp; Pa
LT1637CMS8#TR	Linear	获取价格	暂无描述
LT1637CMS8#TRPBF	Linear	获取价格	LT1637 - 1.1MHz, 0.4V/us Over-The-Top Micropower, Rail-To-Rail Input and Output Op Amp; Pa
LT1637CN8	Linear	获取价格	1.1MHz, 0.4V/us Over-The-Top Micropower, Rail-To-Rail Input and Output Op Amp
LT1637CN8#PBF	Linear	获取价格	LT1637 - 1.1MHz, 0.4V/us Over-The-Top Micropower, Rail-To-Rail Input and Output Op Amp; Pa

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