Datasheet > LT1782

LT1782

更新时间： 2024-02-02 17:27:15

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	215K
描述
Micropower, Over-The-Top SOT-23, Rail-to-Rail Input and Output Op Amp

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LT1782 数据手册

LT1782

Micropower, Over-The-Top

SOT-23, Rail-to-Rail

Input and Output Op Amp

DESCRIPTIO

FEATURES

Operates with Inputs Above V⁺

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

SOT-23 package that operates on all single and split

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

drawslessthan55µAofquiescentcurrentandhasreverse

battery protection, drawing negligible current for reverse

supply voltages up to 18V.

■

Rail-to-Rail Input and Output

■

Micropower: 55µA Supply Current Max

■

Small SOT-23 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^TMopera-

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

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

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-23packages.Forapplicationsrequiringhigherspeed,

refer to the LT1783.

APPLICATIO S

■

Portable Instrumentation

■

Battery- or Solar-Powered Systems

■

Sensor Conditioning

■

Supply Current Sensing

■

Battery Monitoring

■

MUX Amplifiers

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

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

■

4mA to 20mA Transmitters

TYPICAL APPLICATIO

Distribution of Input Offset Voltage

Positive Supply Rail Current Sense

= 5V, 0V

= 2.5V

5V TO 18V

200Ω

0.2Ω

2N3904

LT1782

200Ω

= 2Ω(I

)

LOAD

–

OUT

0V TO 4.3V

LOAD

–900 –600 –300

300

600

900

1782 TA01

INPUT OFFSET VOLTAGE (µV)

1782 TA01a

12 3 4 5 6 7...12

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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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