AD629AR

更新时间： 2024-11-22 22:47:31

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	303K
描述
High Common-Mode Voltage Difference Amplifier

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AD629AR 数据手册

High Common-Mode Voltage

Difference Ampliﬁer

AD629

FUNCTIONAL BLOCK DIAGRAM

FEATURES

Improved Replacement for:

INA117P and INA117KU

8-Lead Plastic Mini-DIP (N) and SOIC (R) Packages

؎270 V Common-Mode Voltage Range

Input Protection to:

؎500 V Common Mode

21.1k⍀

380k⍀

20k⍀

REF(–)

–IN

؎500 V Differential

+IN

OUTPUT

REF(+)

Wide Power Supply Range (؎2.5 V to ؎18 V)

؎10 V Output Swing on ؎12 V Supply

1 mA Max Power Supply Current

–V

AD629

NC = NO CONNECT

HIGH ACCURACY DC PERFORMANCE

3 ppm Max Gain Nonlinearity

20 ␮V/؇C Max Offset Drift (AD629A)

10 ␮V/؇C Max Offset Drift (AD629B)

10 ppm/؇C Max Gain Drift

GENERAL DESCRIPTION

The AD629 is a difference amplifier with a very high input

common-mode voltage range. It is a precision device that

allows the user to accurately measure differential signals in the

presence of high common-mode voltages up to 270 V.

EXCELLENT AC SPECIFICATIONS

77 dB Min CMRR @ 500 Hz (AD629A)

86 dB Min CMRR @ 500 Hz (AD629B)

500 kHz Bandwidth

The AD629 can replace costly isolation amplifiers in applications

that do not require galvanic isolation. The device will operate

over a 270 V common-mode voltage range and has inputs

that are protected from common-mode or differential mode

transients up to 500 V.

APPLICATIONS

High Voltage Current Sensing

Battery Cell Voltage Monitor

Power Supply Current Monitor

Motor Control

The AD629 has low offset, low offset drift, low gain error drift,

as well as low common-mode rejection drift, and excellent CMRR

over a wide frequency range.

Isolation

The AD629 is available in low-cost, plastic 8-lead DIP and

SOIC packages. For all packages and grades, performance is

guaranteed over the entire industrial temperature range from

–40°C to +85°C.

100

2mV/DIV

60V/DIV

–240

–120

COMMON-MODE VOLTAGE – Volts

120

240

100

10k 20k

FREQUENCY – Hz

Figure 1. Common-Mode Rejection Ratio vs. Frequency

Figure 2. Common-Mode Operating Range. Error Voltage

vs. Input Common-Mode Voltage

REV. A

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

which may result from its use. No license is granted by implication or

otherwise under any patent or patent rights of Analog Devices.

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

Tel: 781/329-4700

Fax: 781/326-8703

World Wide Web Site: http://www.analog.com

12 3 4 5 6 7...12

中文翻译

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AD629AR 替代型号

型号	品牌	替代类型	描述	数据表
AD629ARZ-RL	ADI	类似代替	High Common-Mode Voltage, Difference Amplifier
AD629ARZ-R7	ADI	类似代替	High Common-Mode Voltage, Difference Amplifier

与AD629AR相关器件

型号	品牌	获取价格	描述	数据表
AD629AR-REEL	ADI	获取价格	High Common-Mode Voltage Difference Amplifier
AD629AR-REEL7	ADI	获取价格	High Common-Mode Voltage Difference Amplifier
AD629ARZ	ADI	获取价格	High Common-Mode Voltage, Difference Amplifier
AD629ARZ-R7	ADI	获取价格	High Common-Mode Voltage, Difference Amplifier
AD629ARZ-REEL	ADI	获取价格	OP-AMP, 1000uV OFFSET-MAX, PDSO8, PLASTIC, MS-012AA, SOIC-8
AD629ARZ-REEL7	ADI	获取价格	OP-AMP, 1000uV OFFSET-MAX, PDSO8, PLASTIC, MS-012AA, SOIC-8
AD629ARZ-RL	ADI	获取价格	High Common-Mode Voltage, Difference Amplifier
AD629B	ADI	获取价格	High Common-Mode Voltage Difference Amplifier
AD629BN	ADI	获取价格	High Common-Mode Voltage Difference Amplifier
AD629BNZ	ADI	获取价格	High Common-Mode Voltage, Difference Amplifier

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