Analog Devices Inc. 亚德诺半导体 AD8622 低功耗精密运算放大器
亚德诺半导体 AD8622 低功耗精密运算放大器是双通道、精密轨到轨输出运算放大器,在温度与电源电压范围内电源电流很低,最大仅为 350μA。AD8622 运放在整个工作温度范围内还具有 超低失调、漂移、电压噪声及非常低的输入偏置电流等特性。 这些器件的典型失调电压仅为 10μV,失调偏移仅为 0.5μV/°C,噪声仅为 0.2μV p-p(0.1Hz 到 10Hz),很适合不容许存在大误差源的应用。AD8622 运放的低噪声、直流精确度和轨到轨输出摆幅特性对许多系统都大有用处。这些器件能使信噪比和动态范围达到最大,实现低功耗操作。AD8622 运放具有宽幅工业温度范围——40°C 到 +125°C,采用无引脚 SOIC 和 MSOP 封装,非常适合用于便携式精密仪器仪表、激光二极管控制环路、医疗器械、应变仪放大器和热电偶放大器。The devices maximize the signal-to-noise ratio and dynamic range for low power operation. Specified for the extended industrial temperature range of −40°C to +125°C, and available in lead-free SOIC and MSOP packages, the AD8622 op amps are ideal for portable precision instrumentation, laser diode control loops, medical instrumentation, strain gage amplifiers, and thermocouple amplifiers.
特性
- Very low offset voltage: 125μV maximum
- Supply current: 215μA/amp typical
- Input bias current: 200pA maximum
- Low input offset voltage drift: 1.2μV/°C maximum
- Very low voltage noise: 11nV/√Hz
- Operating temperature: −40°C to +125°C
- Rail-to-rail output swing
- Unity gain stable
- ±2.5V to ±15V operation
应用
- Portable precision instrumentation
- Laser diode control loops
- Strain gage amplifiers
- Medical instrumentation
- Thermocouple amplifiers
Additional Resources
发布日期: 2015-09-10
| 更新日期: 2022-03-11
