Datasheet > LT1797

LT1797

更新时间： 2024-02-10 06:13:15

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	196K
描述
10MHz, Rail-to-Rail Input and Output Op Amp in SOT-23

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LT1797 数据手册

LT1797

10MHz, Rail-to-Rail

Input and Output

Op Amp in SOT-23

FEATURES

DESCRIPTIO

The LT^®1797 is a unity-gain stable 10MHz op amp avail-

able in the small SOT-23 package that operates on all

singleandsplitsupplieswithatotalvoltageof2.7Vto12V.

The amplifier draws 1mA of quiescent current and has a

slew rate of 2.25V/µs.

■

Rail-to-Rail Input and Output

■

Small SOT-23 Package

■

Gain Bandwidth Product: 10MHz

■

–40°C to 85°C Operation

Slew Rate: 2.25V/µs

■

Low Input Offset Voltage: 1.5mV Max

The input common mode range of the LT1797 includes

both rails, making it ideal for current sensing applications.

The input stage incorporates phase reversal protection to

prevent false outputs from occurring when the inputs are

driven beyond the supplies. Protective resistors are in-

cluded in the input leads so that current does not become

excessive when the inputs are forced above or below the

supplies.

The output of the LT1797 can swing to within 50mV of V⁺

and 8mV of V^–without drawing excess current in either

condition. The amplifier can drive loads up to 25mA and

still maintain rail-to-rail capability.

■

High Output Current: 25mA Min

■

Specified on 3V, 5V and ±5V Supplies

■

High Voltage Gain: 1000V/mV 10k Load

■

High CMRR: 88dB Min

High PSRR: 80dB Min

Input Bias Current: 300nA Max

■

^{Input Offset Curr}U^{ent: 25nA Max}

APPLICATIO S

■

Portable Instrumentation

■

Rail-to-Rail Buffer Amplifiers

■

Low Voltage Signal Processing

■

Driving A/D Converters

The LT1797 op amp is available in the space saving 5-lead

■

Battery-Powered Systems

SOT-23 package.

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

TYPICAL APPLICATION

Fast Compact –48V Current Sense

= 3V – 0.1Ω • I

SENSE

OUT

= 0A TO 30A

SENSE

ACCURACY ≈ 3%

OUT

4.7k

FMMT493

= 3V

30.1Ω

–

R1 REDUCES Q1 DISSIPATION

3.3k

0805

×3

LT1797

0.1µF

SETTLES TO 1% IN 2µs,

1V OUTPUT STEP

BZX84C6V8

0.003Ω

= 6.8V

1% 3W

–48V LOAD

–48V SUPPLY

(–42V TO –56V)

1797 TA01

–

SENSE

12 3 4 5 6 7...12

中文翻译

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与LT1797相关器件

型号	品牌	获取价格	描述	数据表
LT1797_1	Linear	获取价格	10MHz, Rail-to-Rail Input and Output Op Amp in SOT-23
LT1797CS5	Linear	获取价格	10MHz, Rail-to-Rail Input and Output Op Amp in SOT-23
LT1797CS5#TR	Linear	获取价格	LT1797 - 10MHz, Rail-to-Rail Input and Output Op Amp in SOT-23; Package: SOT; Pins: 5; Tem
LT1797CS5#TRM	Linear	获取价格	LT1797 - 10MHz, Rail-to-Rail Input and Output Op Amp in SOT-23; Package: SOT; Pins: 5; Tem
LT1797CS5#TRMPBF	Linear	获取价格	暂无描述
LT1797CS5#TRPBF	Linear	获取价格	LT1797 - 10MHz, Rail-to-Rail Input and Output Op Amp in SOT-23; Package: SOT; Pins: 5; Tem
LT1797CS5-PBF	Linear	获取价格	10MHz, Rail-to-Rail Input and Output Op Amp in SOT-23
LT1797CS5-TRPBF	Linear	获取价格	10MHz, Rail-to-Rail Input and Output Op Amp in SOT-23
LT1797IS5	Linear	获取价格	10MHz, Rail-to-Rail Input and Output Op Amp in SOT-23
LT1797IS5#PBF	Linear	获取价格	LT1797 - 10MHz, Rail-to-Rail Input and Output Op Amp in SOT-23; Package: SOT; Pins: 5; Tem

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