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AD8220ARMZ-RL

更新时间： 2024-11-25 04:30:59

品牌	Logo	应用领域
亚德诺 - ADI		仪表放大器放大器电路光电二极管
页数	文件大小	规格书
28页	1184K
描述
JFET Input Instrumentation Amplifier with Rail-to-Rail Output in MSOP Package

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AD8220ARMZ-RL 数据手册

JFET Input Instrumentation Amplifier with

Rail-to-Rail Output in MSOP Package

AD8220

FEATURES

PIN CONFIGURATION

Low input currents

AD8220

–IN

10 pA maximum input bias current (B grade)

0.6 pA maximum input offset current (B grade)

High CMRR

100 dB CMRR (minimum), G = 10 (B grade)

80 dB CMRR (minimum) to 5 kHz, G = 1 (B grade)

Excellent ac specifications and low power

1.5 MHz bandwidth (G = 1)

OUT

REF

+IN

–V

TOP VIEW

(Not to Scale)

Figure 1.

14 nV/√Hz input noise (1 kHz)

Slew rate 2 V/μs

750 μA quiescent supply current (maximum)

Versatile

MSOP package

10n

Rail-to-rail output

BIAS

Input voltage range to below negative supply rail

4 kV ESD protection

4.5 V to 36 V single supply

2.25 V to 18 V dual supply

Gain set with single resistor (G = 1 to 1000)

100p

10p

0.1p

APPLICATIONS

Medical instrumentation

Precision data acquisition

Transducer interface

–50

–25

100

125

150

TEMPERATURE (°C)

Figure 2. Input Bias Current and Offset Current Temperature

GENERAL DESCRIPTION

Gain is set from 1 to 1000 with a single resistor. Increasing the

gain increases the common-mode rejection. Measurements that

need higher CMRR when reading small signals benefit when

the AD8220 is set for large gains.

The AD8220 is the first single-supply JFET input

instrumentation amplifier available in an MSOP package.

Designed to meet the needs of high performance, portable

instrumentation, the AD8220 has a minimum common-mode

rejection ratio (CMRR) of 86 dB at dc and a minimum CMRR

of 80 dB at 5 kHz for G = 1. Maximum input bias current is 10

pA and typically remains below 300 pA over the entire

industrial temperature range. Despite the JFET inputs, the

AD8220 typically has a noise corner of only 10 Hz.

A reference pin allows the user to offset the output voltage. This

feature is useful when interfacing with analog-to-digital

converters.

The AD8220 is available in an MSOP that takes roughly half the

board area of an SOIC. Performance is specified over the

industrial temperature range of −40°C to +85°C.

With the proliferation of mixed-signal processing, the number of

power supplies required in each system has grown. The AD8220 is

designed to alleviate this problem. The AD8220 can operate on a

18 V dual supply, as well as on a single +5 V supply. Its rail-to-rail

output stage maximizes dynamic range on the low voltage supplies

common in portable applications. Its ability to run on a single 5 V

supply eliminates the need to use higher voltage, dual supplies. The

AD8220 draws a maximum of 750 μA of quiescent current, making

it ideal for battery-powered devices.

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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AD8220ARMZ-RL 替代型号

型号	品牌	替代类型	描述	数据表
AD8220ARMZ	ADI	完全替代	JFET Input Instrumentation Amplifier with Rail-to-Rail Output in MSOP Package
AD8220ARMZ-R7	ADI	类似代替	JFET Input Instrumentation Amplifier with Rail-to-Rail Output in MSOP Package

与AD8220ARMZ-RL相关器件

型号	品牌	获取价格	描述	数据表
AD8220BRMZ	ADI	获取价格	JFET Input Instrumentation Amplifier with Rail-to-Rail Output in MSOP Package
AD8220BRMZ-R7	ADI	获取价格	JFET Input Instrumentation Amplifier with Rail-to-Rail Output in MSOP Package
AD8220BRMZ-RL	ADI	获取价格	JFET Input Instrumentation Amplifier with Rail-to-Rail Output in MSOP Package
AD8220-EVAL	ADI	获取价格	JFET Input Instrumentation Amplifier with Rail-to-Rail Output in MSOP Package
AD8220TRMZ-EP	ADI	获取价格	JFET Input Instrumentation Amplifier with Rail-to-Rail Output in MSOP Package
AD8220WARMZ	ADI	获取价格	JFET Input Instrumentation Amplifier with Rail-to-Rail Output in MSOP Package
AD8220WARMZ-R7	ADI	获取价格	JFET Input Instrumentation Amplifier with Rail-to-Rail Output in MSOP Package
AD8220WARMZ-RL	ADI	获取价格	JFET Input Instrumentation Amplifier with Rail-to-Rail Output in MSOP Package
AD8221	ADI	获取价格	Precision Instrumentation Amplifier
AD8221AC-P7	ADI	获取价格	Precision Instrumentation Amplifier

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