AD8222HBCPZ-R7

更新时间： 2024-11-03 12:20:07

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	417K
描述
Precision, Dual-Channel Instrumentation Amplifier

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AD8222HBCPZ-R7 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

8 nV/√Hz at 1 kHz

0.25 μV p-p (0.1 Hz to 10 Hz)

AD8222

–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

140 kHz bandwidth (G = 100)

13 μs settling time to 0.001%

Differential output option (single channel)

Fully specified

Adjustable common-mode output

Supply range: 2.3 V to 18 V

Figure 1. 4 mm × 4 mm LFCSP

Table 1. Instrumentation Amplifiers by Category¹

General

Purpose

Zero

Drift

Military

Grade

Low

Power

High Speed

PGA

AD8220

AD8221

AD8222

AD8224

AD8228

AD8295

AD8231

AD8290

AD8293

AD8553

AD8556

AD8557

AD620

AD621

AD524

AD526

AD624

AD8235

AD8236

AD627

AD8250

AD8251

AD8253

APPLICATIONS

Multichannel data acquisition for

ECG and medical instrumentation

Industrial process controls

Wheatstone bridge sensors

Differential drives for

AD623

AD8223

AD8226

AD8227

¹See www.analog.com for the latest selection of instrumentation amplifiers.

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, differen-

tial 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. A

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

www.analog.com

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AD8222HBCPZ-R7 替代型号

型号	品牌	替代类型	描述	数据表
AD8222BCPZ-WP	ADI	完全替代	Precision, Dual-Channel Instrumentation Amplifier
AD8222BCPZ-R7	ADI	类似代替	Precision, Dual-Channel Instrumentation Amplifier
AD8222ACPZ-R7	ADI	类似代替	Precision, Dual-Channel Instrumentation Amplifier

与AD8222HBCPZ-R7相关器件

型号	品牌	获取价格	描述	数据表
AD8222HBCPZ-RL	ADI	获取价格	Precision, Dual-Channel Instrumentation Amplifier
AD8222HBCPZ-WP	ADI	获取价格	Precision, Dual-Channel Instrumentation Amplifier
AD8222-KGD-WP	ADI	获取价格	Instrumentation Amplifier
AD8223	ADI	获取价格	Single Supply, Rail-to-Rail, Low Cost Instrumentation Amplifier
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

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