AD8553

更新时间： 2024-11-24 04:31:07

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
24页	602K
描述
Precision, Dual-Channel Instrumentation Amplifier

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AD8553 数据手册

Precision, Dual-Channel

Instrumentation Amplifier

AD8222

FUNCTIONAL BLOCK DIAGRAM

FEATURES

Two channels in small 4 mm × 4 mm LFCSP

Gain set with 1 resistor per amplifier (G = 1 to 10,000)

Low noise

16 15 14 13

AD8222

8 nV/√Hz @ 1 kHz

0.25 μV p-p (0.1 Hz to 10 Hz)

–IN1

RG1

+IN1

–IN2

RG2

+IN2

High accuracy dc performance (B grade)

60 μV maximum input offset voltage

0.3 μV/°C maximum input offset drift

1.0 nA maximum input bias current

126 dB minimum CMRR (G = 100)

Excellent ac performance

150 kHz bandwidth (G = 100)

13 μs settling time to 0.001%

Differential output option (single channel)

Fully specified

Figure 1. 4mm × 4 mm LFCSP

Table 1. In Amps and Differential Amplifier by Category

Digital

High

Low

High

Voltage Grade Power

AD8553¹AD628

AD623¹

AD629

Mil

Low

Prog

Gain

Performance Cost

Adjustable common-mode output

Supply range: 2.3 V to 18 V

AD8221

AD8220¹

AD8222

AD620 AD627¹AD8555¹

AD621

AD524

AD526

AD624

AD8556¹

AD8557¹

APPLICATIONS

Multichannel data acquisition for

ECG and medical instrumentation

Industrial process controls

Wheatstone bridge sensors

Differential drives for

¹Rail-to-rail output.

High resolution input ADCs

Remote sensors

GENERAL DESCRIPTION

The AD8222 maintains a minimum CMRR of 80 dB to 4 kHz

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

AD8222 to reject wideband interference and line harmonics,

greatly simplifying filter requirements. The AD8222 also has a

typical CMRR drift over temperature of just 0.07 μV/V/°C at G = 1.

The AD8222 is a dual-channel, high performance instrumentation

amplifier that requires only one external resistor per amplifier

to set gains of 1 to 10,000.

The AD8222 is the first dual-instrumentation amplifier in the

small 4 mm × 4mm LFCSP. It requires the same board area as a

typical single instrumentation amplifier. The smaller package

allows a 2× increase in channel density and a lower cost per

channel, all with no compromise in performance.

The AD8222 operates on both single and dual supplies and only

requires 2.2 mA maximum supply current for both amplifiers. It

is specified over the industrial temperature range of −40°C to

+85°C and is fully RoHS compliant.

The AD8222 can also be configured as a single-channel,

differential output instrumentation amplifier. Differential

outputs provide high noise immunity, which can be useful when

the output signal must travel through a noisy environment, such

as with remote sensors. The configuration can also be used to

drive differential input ADCs.

For a single-channel version, see the AD8221.

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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与AD8553相关器件

型号	品牌	获取价格	描述	数据表
AD85531	ADI	获取价格	10 MHz, 20 V/レs, G = 1, 10, 100, 1000 i CMOS㈢
AD8553ARMZ	ADI	获取价格	1.8 V to 5 V Auto-Zero, In-Amp with Shutdown
AD8553ARMZ-R2	ADI	获取价格	1.8 V to 5 V Auto-Zero, In-Amp with Shutdown
AD8553ARMZ-REEL	ADI	获取价格	1.8 V to 5 V Auto-Zero, In-Amp with Shutdown
AD8554	ADI	获取价格	Zero-Drift, Single-Supply, Rail-to-Rail Input/Output Operational Amplifiers
AD8554AN	ADI	获取价格	IC QUAD OP-AMP, 12 uV OFFSET-MAX, 1 MHz BAND WIDTH, PDIP14, PLASTIC, DIP-14, Operational A
AD8554AR	ADI	获取价格	Zero-Drift, Single-Supply, Rail-to-Rail Input/Output Operational Amplifiers
AD8554AR-REEL	ADI	获取价格	Zero-Drift, Single-Supply, Rail-to-Rail Input/Output Operational Amplifiers
AD8554AR-REEL7	ADI	获取价格	Zero-Drift, Single-Supply, Rail-to-Rail Input/Output Operational Amplifiers
AD8554ARU	ADI	获取价格	Zero-Drift, Single-Supply, Rail-to-Rail Input/Output Operational Amplifiers

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