AD8211

更新时间： 2024-11-25 04:30:59

品牌	Logo	应用领域
亚德诺 - ADI		监控高压
页数	文件大小	规格书
16页	333K
描述
High Voltage Current Shunt Monitor

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AD8211 数据手册

High Voltage

Current Shunt Monitor

AD8211

FUNCTIONAL BLOCK DIAGRAM

FEATURES

IN–

IN+

4000 V HBM ESD

High common-mode voltage range

−2 V to +65 V operating

−3 V to +68 V survival

Buffered output voltage

V+

Wide operating temperature range

5-lead SOT: −40°C to +125°C

Excellent ac and dc performance

5 μV/°C typical offset drift

−13 ppm/°C typical gain drift

120 dB typical CMRR at dc

PROPRIETARY

OFFSET

CIRCUITRY

OUT

G = +20

AD8211

GND

APPLICATIONS

Figure 1.

High-side current sensing

Motor controls

Transmission controls

Engine management

Suspension controls

Vehicle dynamic controls

DC-to-dc converters

GENERAL DESCRIPTION

The AD8211 is a high voltage, precision current shunt amplifier.

It features a set gain of 20 V/V, with a typical 0.5% gain error

over the entire temperature range. The buffered output voltage

directly interfaces with any typical converter. Excellent common-

mode rejection from −2 V to +65 V is independent of the 5 V

supply. The AD8211 performs unidirectional current measure-

ments across a shunt resistor in a variety of industrial and

automotive applications, such as motor control, solenoid

control, or battery management.

Special circuitry is devoted to output linearity being maintained

throughout the input differential voltage range of 0 mV to 250 mV,

regardless of the common-mode voltage present. The AD8211

has an operating temperature range of −40°C to +125°C and is

offered in a small 5-lead SOT package.

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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