LT1637

更新时间： 2024-09-15 22:51:47

品牌	Logo	应用领域
凌特 - Linear		运算放大器
页数	文件大小	规格书
12页	258K
描述
1.1MHz, 0.4V/us Over-The-Top Micropower, Rail-To-Rail Input and Output Op Amp

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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⁺

TheLT^®1637isaruggedopampthatoperatesonallsingle

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

■

Rail-to-Rail Input and Output

■

Micropower: 250µA Supply Current Max

Gain-Bandwidth Product: 1.1MHz

Slew Rate: 0.4V/µs

LT1637 has a gain-bandwidth product of 1.1MHz while

drawinglessthan250µAofquiescentcurrent.TheLT1637

can be shut down, making the output high impedance and

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

reverse supply protected: it draws virtually no current for

reverse supply up to 25V. The input range of the LT1637

includes both supplies and the output swings to both

supplies. Unlike most micropower op amps, the LT1637

can drive heavy loads; its rail-to-rail output drives 25mA.

TheLT1637isunity-gainstableintoallcapacitiveloadsup

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

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.

APPLICATIO S

■

Battery or Solar Powered Systems:

Portable Instrumentation

Sensor Conditioning

Supply Current Sensing

Battery Monitoring

■

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

and SO packages.

■

MUX Amplifiers

■

4mA to 25mA Transmitters

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

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

TYPICAL APPLICATIO

Over-The-Top^TMCurrent Source with Shutdown

Switchable Precision Current Source

Current Source Timing

4V TO 44V

4.7µF

LT1004-1.2

V_SHDN

–

LT1637

TP0610

1.2

OUT

10mA

5mA

0mA

e.g., 10mA = 120Ω

OUT

I_OUT

SHDN

*OPTIONAL FOR LOW OUTPUT CURRENTS,

R* = R

1637 TA01

100µs/DIV

1637 TA01b

12 3 4 5 6 7...12

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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