低增益漂移精密仪表放大器 Low Gain Drift Precision Instrumentation Amplifier
Product Details
The AD8228 is a high performance instrumentation amplifier with very high gain accuracy. Because all gain setting resistors are internal and laser trimmed, gain accuracy and gain drift are better than can be achieved with typical instrumentation amplifiers.
Low voltage offset, low offset drift, low gain drift, high gain accuracy, and high CMRR make this part an excellent choice in applications that demand the best dc performance possible, such as bridge signal conditioning.
The AD8228 operates on both single and dual supplies. Because the part can operate on supplies up to ±18 V, it is well suited for applications where high common-mode input voltages are encountered. The AD8228 is available in 8-lead MSOP and SOIC packages.
Performance is specified over the entire industrial temperature range of −40°C to +85°C for all grades. Furthermore, the AD8228 is operational from −40°C to +125°C. For a pin-compatible amplifier with similar specifications, but with a gain range of 1 to 1000, see the AD8221.
**Applications**
* Weigh scales
* Industrial process controls
* Bridge amplifiers
* Precision data acquisition systems
* Medical instrumentation
* Strain gages
* Transducer interfaces
Data Sheet, Rev 0, 08/2008
### Features and Benefits
2 ppm/°C gain drift
0.02% gain error
50 μV maximum input offset voltage
0.8 μV/°C maximum input offset drift
0.6 nA maximum input bias current
100 dB CMRR
650 kHz, –3 dB bandwidth G = 10
2 V/μs slew rate
8 nV/√Hz, @ 1 kHz G = 100
0.3 μV p-p from 0.1 Hz to 10 Hz G = 100
供电电流 850 µA
电路数 1
通道数 1
共模抑制比 120 dB
带宽 650 kHz
输入补偿电压 90 µV
输入偏置电流 500 pA
工作温度Max 85 ℃
工作温度Min -40 ℃
3dB带宽 650 kHz
共模抑制比Min 90 dB
电源电压Max 30V ~ 50V
安装方式 Surface Mount
引脚数 8
封装 MSOP-8
长度 3 mm
宽度 3 mm
高度 0.85 mm
封装 MSOP-8
工作温度 -40℃ ~ 85℃
产品生命周期 Active
包装方式 Tape & Reel TR
RoHS标准 RoHS Compliant
含铅标准 Contains Lead
型号/品牌 | 代替类型 | 替代型号对比 |
---|---|---|
AD8228ARMZ-RL ADI 亚德诺 | 当前型号 | 当前型号 |
AD8228ARMZ 亚德诺 | 类似代替 | AD8228ARMZ-RL和AD8228ARMZ的区别 |