AD8223

更新时间： 2024-11-23 04:30:59

品牌	Logo	应用领域
亚德诺 - ADI		仪表放大器
页数	文件大小	规格书
20页	420K
描述
Single Supply, Rail-to-Rail, Low Cost Instrumentation Amplifier

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AD8223 数据手册

Single Supply, Rail-to-Rail, Low Cost

Instrumentation Amplifier

Preliminary Technical Data

AD8223

FEATURES

CONNECTION DIAGRAM

Gain set with 1 resistor per amplifier

Gain = 5 to 1000

Inputs

Voltage range to 150 mV below negative rail

25 nA maximum input bias current

30 nV/√Hz, RTI noise @ 1 kHz

Power supplies

–R

–

–IN

+IN

OUTPUT

REF

–V

AD8223

Figure 1. 8-Lead SOIC (R) and 8-Lead MSOP SOIC (RM) Packages

Dual supply: 2.5V to 12.5

Single supply: 3V to 25V

600 μA maximum supply current

APPLICATIONS

Low power medical instrumentation

Transducer interface

Thermocouple amplifiers

Industrial process controls

Difference amplifiers

Low power data acquisition

GENERAL DESCRIPTION

mode range and can amplify signals that have a common-mode

voltage 150 mV below ground. Although the design of the AD8223

is optimized to operate from a single supply, the AD8223 still

provides superior performance when operated from a dual

voltage supply ( 2.5 V to 12.5 V).

The AD8223 is an integrated single-supply instrumentation

amplifier that delivers rail-to-rail output swing on a single

supply (+3.0 V to +25 V supplies). The AD8223 offers superior

user flexibility by allowing single-gain set resistor program-

ming, and conforming to the 8-lead industry standard pinout

configuration.

Low power consumption (1.5 mW at 3 V), wide supply voltage

range, and rail-to-rail output swing make the AD8223 ideal for

battery-powered applications. The rail-to-rail output stage

maximizes the dynamic range when operating from low supply

voltages. The AD8223 replaces discrete instrumentation

amplifier designs and offers superior linearity, temperature

stability and reliability in a minimum of space.

With no external resistor, the AD8223 is configured for G = 5

and with an external resistor, the AD8223 can be programmed

for gains up to 1000.

The AD8223 holds errors to a minimum by providing superior

ac CMRR that increases with increasing gain. Line noise, as

well as line harmonics, is rejected because the CMRR remains

constant up to 200 Hz. The AD8223 has a wide input common-

Rev. PrA

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

12 3 4 5 6 7...20

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与AD8223相关器件

型号	品牌	获取价格	描述	数据表
AD8223_16	ADI	获取价格	Single-Supply, Low Cost Instrumentation Amplifier
AD8223AR	ADI	获取价格	Single Supply, Rail-to-Rail, Low Cost Instrumentation Amplifier
AD8223ARM	ADI	获取价格	Single Supply, Rail-to-Rail, Low Cost Instrumentation Amplifier
AD8223ARM-R7	ADI	获取价格	Single Supply, Rail-to-Rail, Low Cost Instrumentation Amplifier
AD8223ARM-RL	ADI	获取价格	Single Supply, Rail-to-Rail, Low Cost Instrumentation Amplifier
AD8223ARMZ	ADI	获取价格	Single Supply, Rail-to-Rail, Low Cost Instrumentation Amplifier
AD8223ARMZ1	ADI	获取价格	Single-Supply, Low Cost Instrumentation Amplifier
AD8223ARMZ-R7	ADI	获取价格	Single Supply, Rail-to-Rail, Low Cost Instrumentation Amplifier
AD8223ARMZ-R71	ADI	获取价格	Single-Supply, Low Cost Instrumentation Amplifier
AD8223ARMZ-RL	ADI	获取价格	Single Supply, Rail-to-Rail, Low Cost Instrumentation Amplifier

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