AD8207WBRZ

更新时间： 2024-10-02 06:36:11

品牌	Logo	应用领域
亚德诺 - ADI		运算放大器放大器电路高压 PC
页数	文件大小	规格书
16页	430K
描述
Zero-Drift, High Voltage, Bidirectional Difference Amplifier

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AD8207WBRZ 数据手册

Zero-Drift, High Voltage,

Bidirectional Difference Amplifier

AD8207

FEATURES

FUNCTIONAL BLOCK DIAGRAM

V+

Ideal for current shunt applications

EMI filters included

+IN

ZERO

OUT

1 μV/°C maximum input offset drift

High common-mode voltage range

−4 V to +65 V operating (5 V supply)

−4 V to +35 V operating (3.3 V supply)

−25 V to +75 V survival

DRIFT

–IN

AD8207

REF

Gain = 20 V/V

3.3 V to 5.5 V supply range

REF

RANGE

REF

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

Bidirectional current monitoring

<500 nV/°C typical offset drift

<10 ppm/°C typical gain drift

>90 dB CMRR dc to 10 kHz

GND

Figure 1.

Qualified for automotive applications

APPLICATIONS

High-side current sensing in

Motor control

Solenoid control

Engine management

Electric power steering

Suspension control

Vehicle dynamic control

DC-to-DC converters

GENERAL DESCRIPTION

The AD8207 is a single-supply difference amplifier ideal for

amplifying small differential voltages in the presence of large

common-mode voltage. The operating input common-mode

voltage range extends from −4 V to +65 V with a 5 V supply.

The AD8207 works with a single-supply voltage of 3.3 V to 5 V,

and is ideally suited to withstand large input PWM common-

mode voltages, typical in solenoid and motor control applications.

The AD8207 is ideal for bidirectional current sensing

applications. It features two reference pins,V_REF1 and V_REF2,

that allow the user to easily offset the output of the device to

any voltage within the supply range. With V_REF1 attached to the

V+ pin and V_REF2 attached to the GND pin, the output is set at

half scale. Attaching both pins to GND causes the output to

be unipolar, starting near ground. Attaching both pins to V+

causes the output to be unipolar starting near V+. Other output

offsets are achieved by applying an external low impedance

voltage to the V_REF1 and V_REF2 pins.

The AD8207 is available in an 8-lead SOIC package. Excellent

dc performance over temperature keeps errors in the mea-

surement loop to a minimum. Offset drift is typically less

than 500 nV/°C, and gain drift is typically below 10 ppm/°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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AD8207WBRZ 替代型号

型号	品牌	替代类型	描述	数据表
AD8207WBRZ-RL	ADI	类似代替	Zero-Drift, High Voltage, Bidirectional Difference Amplifier
AD8207WBRZ-R7	ADI	类似代替	Zero-Drift, High Voltage, Bidirectional Difference Amplifier
THS4521ID	TI	功能相似	VERY LOW POWER, NEGATIVE RAIL INPUT, RAIL-TO-RAIL OUTPUT, FULLY DIFFERENTIAL AMPLIFIER

与AD8207WBRZ相关器件

型号	品牌	获取价格	描述	数据表
AD8207WBRZ-R7	ADI	获取价格	Zero-Drift, High Voltage, Bidirectional Difference Amplifier
AD8207WBRZ-RL	ADI	获取价格	Zero-Drift, High Voltage, Bidirectional Difference Amplifier
AD8208	ADI	获取价格	High Voltage, Precision Difference Amplifier
AD8208WBRMZ	ADI	获取价格	High Voltage, Precision Difference Amplifier
AD8208WBRMZ-R7	ADI	获取价格	High Voltage, Precision Difference Amplifier
AD8208WBRMZ-RL	ADI	获取价格	High Voltage, Precision Difference Amplifier
AD8208WBRZ	ADI	获取价格	High Voltage, Precision Difference Amplifier
AD8208WBRZ-R7	ADI	获取价格	High Voltage, Precision Difference Amplifier
AD8208WBRZ-RL	ADI	获取价格	High Voltage, Precision Difference Amplifier
AD8208WHRMZ	ADI	获取价格	High Voltage, Precision Difference Amplifier

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