精密放大器 Next Generation AD820
Product Details
The ADA4622-1/ADA4622-2 are the next generation of the AD820 and the AD822 single-supply, rail-to-rail output RRO, precision junction field effect transistors JFET input op amps. The ADA4622-1/ADA4622-2 include many improvements that make them desirable as an upgrade without compromising the flexibility and ease of use that makes the AD820 and the AD822 useful for a wide variety of applications.
The input voltage range includes the negative supply and the output swings rail-to-rail. Input EMI filters increase the signal robustness in the face of closely located switching noise sources.
The speed, in terms of bandwidth and slew rate, increases along with a strong output drive to improve settling time performance and enable the devices to drive the inputs of modern single-ended, successive approximation register SAR analog-to-digital converters ADCs.
Voltage noise is reduced; while keeping the supply current the same as the AD820 and the AD822, broadband noise is reduced by 25%, and 1/f is reduced by half. DC precision in the ADA4622-1/ADA4622-2 improved from the AD820 and the AD822 with half the offset and a maximum thermal drift specification added to the ADA4622-1/ADA4622-2. The common-mode rejection ratio CMRR is improved from the AD820 and the AD822 to make the ADA4622-1/ADA4622-2 more suitable when used in noninverting gain and difference amplifier configurations.
The ADA4622-1/ADA4622-2 are specified for operation over the extended industrial temperature range of −40°C to +125°C and operates from 5 V to 30 V with specifications at +5 V, ±5 V, and ±15 V. The ADA4622-1 is available in a 5-lead SOT-23 package and an 8-lead LFCSP package, and the ADA4622-2 is available in an 8-lead SOIC package, an 8-lead MSOP package, and an 8-lead LFCSP package.
**Applications**
### Features and Benefits
输出电流 20mA @5V
增益频宽积 7.2 MHz
输入偏置电流 0.000002μA @5V
工作温度Max 125 ℃
工作温度Min -40 ℃
共模抑制比Min 73 dB
安装方式 Surface Mount
引脚数 8
封装 SOIC-8
封装 SOIC-8
产品生命周期 Pre-Release
包装方式 Tape & Reel TR
制造应用 Wearable Health Monitoring, Chemical Analysis, Digital Multi Meters, NiBP based on ECG and PPG, Protective Relaying Power Line Monitoring, Wireless Infrastructure, Clinical Monitoring, Health, Wellness and Fitness, Electronic Tes, Power Supplies and Power Management, Oscilloscopes and Scope Meters
RoHS标准 RoHS Compliant
含铅标准 无铅