Datasheet > AD8221BRM

AD8221BRM

更新时间： 2024-11-03 19:44:47

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
3页	165K
描述
IC,INSTRUMENTATION AMPLIFIER,SINGLE,SOP,8PIN,PLASTIC

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AD8221BRM 数据手册

Precision Instrumentation Amplifier

In a Micro SOIC Package

Preliminary Technical Data

AD8221

FEATURES:

AD8221

Excellent Noise Immunity:

EXCELLENT AC and DC PERFORMANCE

70dB Minimum CMRR DC to 10kHz (G=1 ARM)

80dB Minimum CMRR DC to 10kHz (G=1 BRM)

-IN

7 V

OUT

REF

6 V

+IN

0.8 V/ C Max Input Offset Drift (BRM)

-V

10 ppm/ C Max Gain Drift (G=1 ARM)

√

7nV/ Hz RTI Input Noise

TOP VIEW

Supply Voltage Range:

CONNECTION DIAGRAM

8-Pin Plastic Micro SOIC: ARM, BRM Package

Dual Supply 2.3V to 18V

Single Supply 4.6V to 36V

APPLICATIONS

Patient Monitor

Sensor Signal Conditioning

Bridge Transducer

Multiplexed Systems

4 to 20mA Converter

GENERAL DESCRIPTION

The AD8221BRM also gives the user excellent DC

performance by providing maximum offset and gain drift

of 0.3µV/°C and 10 ppm/°C (G=1) respectively.

The AD8221 is a gain programmable, high performance

instrumentation amplifier in a micro SOIC package. It

provides the user with the highest CMRR over frequency

available. This break through performance allows the user

to reject common mode voltage noise out to 100 kHz.

Moreover, the AD8221’s small outline package saves

valuable board space.

The AD8221 operates on both single and dual supplies.

The device is specified for operation at a power supply

voltage of 15V and makes the AD8221 well suited for

applications where input voltages of 10Vare

encountered.

Errors in the user’s system will be held to minimum with

the high CMRR over frequency performance. Noise, as

well as harmonics, encountered in aerospace applications,

motors and repair equipment on factory floors, switching

power supplies, and high frequency medical equipment

will be rejected since the CMRR rejection is 100dB

(G=10, BRM) minimum to 10kHz with great

The AD8221 is specified over the standard industrial

temperature range, -40°C to +85°C.

performance out to 100kHz.

REV.PrB 1/03

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.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

www.analog.com

12 3

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