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AD8222BCPZ-WP

更新时间： 2024-01-24 03:36:43
品牌 Logo 应用领域
亚德诺 - ADI 仪表放大器放大器电路
页数 文件大小 规格书
24页 602K
描述
Precision, Dual-Channel Instrumentation Amplifier

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AD8222BCPZ-WP 技术参数

生命周期：Active包装说明：DIE-16
Reach Compliance Code：unknown风险等级：5.63
放大器类型：INSTRUMENTATION AMPLIFIER最大平均偏置电流 (IIB)：0.003 µA
标称带宽 (3dB)：1.2 MHz最小共模抑制比：80 dB
最大输入失调电流 (IIO)：0.0015 µA最大输入失调电压：150 µV
JESD-30 代码：R-XUUC-N16长度：2.46 mm
负供电电压上限：-18 V标称负供电电压 (Vsup)：-15 V
最大非线性：0.002%功能数量：2
端子数量：16最高工作温度：85 °C
最低工作温度：-40 °C封装主体材料：UNSPECIFIED
封装代码：DIE封装形状：RECTANGULAR
封装形式：UNCASED CHIP座面最大高度：0.3048 mm
标称压摆率：2.5 V/us子类别：Instrumentation Amplifier
供电电压上限：18 V标称供电电压 (Vsup)：15 V
表面贴装：YES温度等级：INDUSTRIAL
端子形式：NO LEAD端子位置：UPPER
最大电压增益：10000最小电压增益：1
标称电压增益：10宽度：2.365 mm
Base Number Matches：1

AD8222BCPZ-WP 数据手册

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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)  
1
2
3
4
12  
11  
10  
9
–IN1  
RG1  
RG1  
+IN1  
–IN2  
RG2  
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  
5
6
7
8
Figure 1. 4mm × 4 mm LFCSP  
Table 1. In Amps and Differential Amplifier by Category  
Digital  
High  
Low  
High  
Voltage Grade Power  
AD85531 AD628  
AD6231  
AD629  
Mil  
Low  
Prog  
Gain  
Performance Cost  
Adjustable common-mode output  
Supply range: 2.3 V to 18 V  
AD8221  
AD82201  
AD8222  
AD620 AD6271 AD85551  
AD621  
AD524  
AD526  
AD624  
AD85561  
AD85571  
APPLICATIONS  
Multichannel data acquisition for  
ECG and medical instrumentation  
Industrial process controls  
Wheatstone bridge sensors  
Differential drives for  
1 Rail-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  
©2006 Analog Devices, Inc. All rights reserved.  
 
 
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