Datasheet > AD8643TRZ-EP-R7

AD8643TRZ-EP-R7

更新时间： 2024-10-31 20:08:15

品牌	Logo	应用领域
亚德诺 - ADI		放大器光电二极管
页数	文件大小	规格书
12页	236K
描述
Low Power, Rail-to-Rail Output, Precision JFET Quad Amplifier

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AD8643TRZ-EP-R7 数据手册

Low Power, Rail-to-Rail,

Output Precision JFET Amplifier

AD8643-EP

PIN CONFIGURATION

FEATURES

Low supply current: 250 μA maximum

Very low input bias current: 1 pA maximum

Low offset voltage: 750 μV maximum

Single-supply operation: 5 V to 26 V

Dual-supply operation: 2.5 V to 13 V

Rail-to-rail output

OUT A

–IN A

+IN A

V+

14 OUT D

13 –IN D

12 +IN D

11 V–

AD8643-EP

TOP VIEW

(Not to Scale)

+IN B

–IN B

OUT B

10 +IN C

–IN C

Unity-gain stable

No phase reversal

OUT C

Figure 1. 14-Lead SOIC (R-14)

ENHANCED PRODUCT FEATURES

Supports defense and aerospace applications

(AQEC standard)

Military temperature range (−55°C to +125°C)

Controlled manufacturing baseline

1 assembly/test site

1 fabrication site

Enhanced product change notification

Qualification data available on request

APPLICATIONS

Line-/battery-powered instruments

Photodiode amplifiers

Precision current sensing

Precision filters

Portable audio

GENERAL DESCRIPTION

The AD8643-EP is a low power, precision JFET input amplifier

featuring extremely low input bias current and rail-to-rail output.

The ability to swing nearly rail-to-rail at the input and rail-to-rail at

the output enables designers to buffer CMOS digital-to-analog

converters (DACs), ASICs, and other wide output swing devices

in single-supply systems. The outputs remain stable with capacitive

loads of more than 500 pF.

The AD8643-EP is suitable for applications using multichannel

boards that require low power to manage heat. Other applications

include photodiodes and battery management.

The AD8643-EP is fully specified over the military temperature

range of −55°C to +125°C. This device is available in a 14-lead SOIC.

Additional applications information is available in the AD8643

data sheet.

Rev. 0

Information furnished by Analog Devices is believed to be accurate and reliable. However, no

responsibility is assumed by Analog Devices for its use, nor for any infringements of patents or other

rights of third parties that may result from its use. Specifications subject to change without notice. No

license is granted by implication or otherwise under any patent or patent rights of Analog Devices.

Trademarks and registeredtrademarks arethe property of their respective owners.

One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.

Tel: 781.329.4700

Fax: 781.461.3113

www.analog.com

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与AD8643TRZ-EP-R7相关器件

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