AD8217

更新时间： 2024-11-25 11:49:03

品牌	Logo	应用领域
亚德诺 - ADI		监控
页数	文件大小	规格书
16页	304K
描述
High Resolution, Zero-Drift Current Shunt Monitor

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AD8217 数据手册

High Resolution, Zero-Drift

Current Shunt Monitor

AD8217

FUNCTIONAL BLOCK DIAGRAM

FEATURES

High common-mode voltage range

4.5 V to 80 V operating

AD8217

0 V to 85 V survival

–IN

Buffered output voltage

OUT

+IN

Wide operating temperature range: −40°C to +125°C

Excellent ac and dc performance

100 nV/°C typical offset drift

100 µV/°C typical offset

LDO

GND

5 ppm/°C typical gain drift

100 dB typical CMRR at dc

Figure 1.

APPLICATIONS

High side current sensing

48 V telecom

Power management

Base stations

Unidirectional motor control

Precision high voltage current sources

GENERAL DESCRIPTION

The AD8217 is a high voltage, high-resolution current shunt

amplifier. It features a set gain of 20 V/V, with a maximum

0.ꢀ35 gain error over the entire temperature range. The

buffered output voltage directly interfaces with any typical

converter. The AD8217 offers excellent common-mode rejection

from 4.3 V to 80 V, and includes an internal LDO, which directly

powers the device from the high voltage rail. Therefore, no addi-

tional supply is necessary, provided that the input common-mode

range is 4.3 V to 80 V. The AD8217 performs unidirectional

current measurements across a shunt resistor in a variety of

industrial and telecom applications including motor control,

battery management, and base station power amplifier bias

control.

The AD8217 offers breakthrough performance throughout the

−40°C to +123°C temperature range. It features a zero-drift

core, which leads to a typical offset drift of 100 nV/°C

throughout the operating temperature and common-mode

voltage range. Special attention is devoted to output linearity

being maintained throughout the input differential voltage range

of 0 mV to 230 mV, regardless of the common-mode voltage

present, and the typical input offset voltage is 100 μV.

The AD8217 is offered in a 8-lead MSOP package and is

specified from −40°C to +123°C.

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AD8217相关器件

型号	品牌	获取价格	描述	数据表
AD8217BRMZ	ADI	获取价格	High Resolution, Zero-Drift Current Shunt Monitor
AD8217BRMZ-R7	ADI	获取价格	High Resolution, Zero-Drift Current Shunt Monitor
AD8217BRMZ-RL	ADI	获取价格	High Resolution, Zero-Drift Current Shunt Monitor
AD8218	ADI	获取价格	Zero Drift, Bidirectional Current Shunt Monitor
AD8218_13	ADI	获取价格	Zero Drift, Bidirectional Current Shunt Monitor
AD8218BCPZ-RL	ADI	获取价格	Zero Drift, Bidirectional Current Shunt Monitor
AD8218BCPZ-WP	ADI	获取价格	Zero Drift, Bidirectional Current Shunt Monitor
AD8218BRMZ	ADI	获取价格	Zero Drift, Bidirectional Current Shunt Monitor
AD8218BRMZ-R7	ADI	获取价格	Zero Drift, Bi-Directional Current Shunt Monitor
AD8218BRMZ-RL	ADI	获取价格	Zero Drift, Bidirectional Current Shunt Monitor

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