Datasheet > LT1782

LT1782

更新时间： 2023-12-20 18:45:13

品牌	Logo	应用领域
亚德诺 - ADI		/
页数	文件大小	规格书
16页	514K
描述
采用 SOT-23 封装的微功率、Over-The-Top、轨至轨输入和输出运放

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中文翻译

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LT1782 数据手册

LT1782

Micropower, Over-The-Top

SOT-23, Rail-to-Rail

Input and Output Op Amp

DESCRIPTION

FEATURES

The LT^®1782 is a 200kHz op amp available in the small

SOT-23 package that operates on all single and split sup-

plies with a total voltage of 2.5V to 18V. The ampliﬁer

drawslessthan55µAofquiescentcurrentandhasreverse

battery protection, drawing negligible current for reverse

supply voltages up to 18V.

Operates with Inputs Above V

Rail-to-Rail Input and Output

Micropower: 55µA Supply Current Max

Operating Temperature Range: –40°C to 125°C

Low Proﬁle (1mm) ThinSOT™ Package

Low Input Offset Voltage: 800µV Max

Single Supply Input Range: 0V to 18V

High Output Current: 18mA Min

Speciﬁed on 3V, 5V and 5V Supplies

Output Shutdown on 6-Lead Version

Reverse Battery Protection to 18V

High Voltage Gain: 1500V/mV

The input range of the LT1782 includes ground, and a

unique feature of this device is its Over-The-Top™ opera-

tion capability with either or both of its inputs above the

positive rail. The inputs handle 18V both differential and

common mode, independent of supply voltage. The input

stage incorporates phase reversal protection to prevent

false outputs from occurring even when the inputs are 9V

below the negative supply.

Gain Bandwidth Product: 200kHz

Slew Rate: 0.07V/µs

The LT1782 can drive loads up to 18mA and still maintain

rail-to-rail capability. A shutdown feature on the 6-lead

version can disable the part, making the output high

impedance and reducing quiescent current to 5µA. The

LT1782 op amp is available in the 5- and 6-lead SOT-23

packages. For applications requiring higher speed, refer

to the LT1783.

APPLICATIONS

Portable Instrumentation

Battery- or Solar-Powered Systems

Sensor Conditioning

Supply Current Sensing

Battery Monitoring

MUX Ampliﬁers

L, LT, LTC, LTM, Linear Technology and the Linear logo are registered trademarks and

ThinSOT and Over-The-Top are trademarks of Linear Technology Corporation. All other

trademarks are the property of their respective owners.

4mA to 20mA Transmitters

TYPICAL APPLICATION

Positive Supply Rail Current Sense

Distribution of Input Offset Voltage

= 5V, 0V

= 2.5V

5V TO 18V

200Ω

0.2Ω

MMBT3904

LT1782

200Ω

= 2Ω(I

)

–

OUT

LOAD

0V TO 4.3V

LOAD

1782 TA01a

–900 –600 –300

300

600

900

INPUT OFFSET VOLTAGE (µV)

1782 TA01b

1782fc

12 3 4 5 6 7...16

中文翻译

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与LT1782相关器件

型号	品牌	获取价格	描述	数据表
LT1782_1	Linear	获取价格	Micropower, Over-The-Top SOT-23, Rail-to-Rail Input and Output Op Amp
LT1782CS5	Linear	获取价格	Micropower, Over-The-Top SOT-23, Rail-to-Rail Input and Output Op Amp
LT1782CS5#TR	Linear	获取价格	LT1782 - Micropower, Over-The-Top SOT-23, Rail-to-Rail Input and Output Op Amp; Package: S
LT1782CS5#TRMPBF	Linear	获取价格	LT1782 - Micropower, Over-The-Top SOT-23, Rail-to-Rail Input and Output Op Amp; Package: S
LT1782CS5#TRPBF	Linear	获取价格	LT1782 - Micropower, Over-The-Top SOT-23, Rail-to-Rail Input and Output Op Amp; Package: S
LT1782CS6	Linear	获取价格	Micropower, Over-The-Top SOT-23, Rail-to-Rail Input and Output Op Amp
LT1782CS6#PBF	Linear	获取价格	LT1782 - Micropower, Over-The-Top SOT-23, Rail-to-Rail Input and Output Op Amp; Package: S
LT1782CS6#TR	Linear	获取价格	LT1782 - Micropower, Over-The-Top SOT-23, Rail-to-Rail Input and Output Op Amp; Package: S
LT1782CS6#TRM	Linear	获取价格	LT1782 - Micropower, Over-The-Top SOT-23, Rail-to-Rail Input and Output Op Amp; Package: S
LT1782CS6#TRMPBF	Linear	获取价格	暂无描述

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