Datasheet > AD8221ARMZ-REEL7

AD8221ARMZ-REEL7

更新时间： 2024-11-03 21:09:35

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
24页	487K
描述
INSTRUMENTATION AMPLIFIER, 60uV OFFSET-MAX, 0.825MHz BAND WIDTH, PDSO8, MO-187AA, MSOP-8

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AD8221ARMZ-REEL7 数据手册

Precision Instrumentation Amplifier

AD8221

CONNECTION DIAGRAM

FEATURES

Easy to use

–IN

Available in space-saving MSOP

Gain set with 1 external resistor (gain range 1 to 1000)

Wide power supply range: 2.3 V to 18 V

Temperature range for specified performance:

−40°C to +85°C

OUT

REF

–V

+IN

AD8221

TOP VIEW

Operational up to 125°C¹

Figure 1.

120

110

100

Excellent AC specifications

80 dB minimum CMRR to 10 kHz (G = 1)

825 kHz, –3 dB bandwidth (G = 1)

2 V/µs slew rate

AD8221

Low noise

8 nV/√Hz, @ 1 kHz, maximum input voltage noise

0.25 µV p-p input noise (0.1 Hz to 10 Hz)

High accuracy dc performance (AD8221BR)

90 dB minimum CMRR (G = 1)

25 µV maximum input offset voltage

0.3 µV/°C maximum input offset drift

0.4 nA maximum input bias current

COMPETITOR 1

COMPETITOR 2

100

FREQUENCY (Hz)

10k

100k

APPLICATIONS

Weigh scales

Figure 2. Typical CMRR vs. Frequency for G = 1

Industrial process controls

Bridge amplifiers

Precision data acquisition systems

Medical instrumentation

Strain gages

Low voltage offset, low offset drift, low gain drift, high gain

accuracy, and high CMRR make this part an excellent choice

in applications that demand the best dc performance possible,

such as bridge signal conditioning.

Transducer interfaces

Programmable gain affords the user design flexibility. A single

resistor sets the gain from 1 to 1000. The AD8221 operates on

both single and dual supplies and is well suited for applications

where 10 V input voltages are encountered.

GENERAL DESCRIPTION

The AD8221 is a gain programmable, high performance

instrumentation amplifier that delivers the industry’s highest

CMRR over frequency in its class. The CMRR of instrumentation

amplifiers on the market today falls off at 200 Hz. In contrast,

the AD8221 maintains a minimum CMRR of 80 dB to 10 kHz

for all grades at G = 1. High CMRR over frequency allows the

AD8221 to reject wideband interference and line harmonics,

greatly simplifying filter requirements. Possible applications

include precision data acquisition, biomedical analysis, and

aerospace instrumentation.

The AD8221 is available in a low cost 8-lead SOIC and 8-lead

MSOP, both of which offer the industry’s best performance. The

MSOP requires half the board space of the SOIC, making it ideal

for multichannel or space-constrained applications.

Performance is specified over the entire industrial temperature

range of −40°C to +85°C for all grades. Furthermore, the AD8221

is operational from −40°C to +125°C¹.

¹See Typical Performance Characteristics for expected operation from

85°C to 125°C.

Rev. C

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

rightsof third parties that may result fromits 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 andregisteredtrademarks are the property of their respective owners.

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

Tel: 781.329.4700

www.analog.com

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与AD8221ARMZ-REEL7相关器件

型号	品牌	获取价格	描述	数据表
AD8221ARMZ-RL	ADI	获取价格	Precision Instrumentation Amplifier
AD8221AR-REEL	ADI	获取价格	Precision Instrumentation Amplifier
AD8221AR-REEL7	ADI	获取价格	Precision Instrumentation Amplifier
AD8221ARZ	ADI	获取价格	Precision Instrumentation Amplifier
AD8221ARZ-R7	ADI	获取价格	Precision Instrumentation Amplifier
AD8221ARZ-RL	ADI	获取价格	Precision Instrumentation Amplifier
AD8221BR	ADI	获取价格	Precision Instrumentation Amplifier
AD8221BRM	ADI	获取价格	IC,INSTRUMENTATION AMPLIFIER,SINGLE,SOP,8PIN,PLASTIC
AD8221BR-REEL	ADI	获取价格	Precision Instrumentation Amplifier
AD8221BR-REEL7	ADI	获取价格	Precision Instrumentation Amplifier

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