Analog Devices Inc. 亚德诺半导体AD5161 SPI/I2C 可选数字电位器
亚德诺半导体 AD5161 SPI/I²C 可选数字电位器是一款适合 256 位调整应用的紧凑的 3mm × 4.9mm 封装解决方案。这些器件具有与机械电位器或可变电阻相同的电子调整功能，而且具有增强的分辨率、固态可靠性和出色的低温度系数性能。采用 2.7V 至 5.5V 电源供电，电流消耗小于 5µA，AD5161 SPI/I²C 可选数字电位器是适合用于便携式电池供电应用。
特性
- 256-position
- End-to-end resistance 5kΩ, 10kΩ, 50kΩ, 100kΩ
- Compact MSOP-10 (3mm × 4.9mm) package
- Pin selectable SPI/I²C compatible interface
- Extra package address decode pin AD0
- Full read/write of wiper register
- Power-on preset to midscale
- Single supply 2.7V to 5.5V
- Low-temperature coefficient of 45 ppm/°C
- Low power, IDD = 8μA
- Wide operating temperature −40°C to +125°C
- SDO output allows multiple device daisy-chaining
- Evaluation board available
应用
- Mechanical potentiometer replacement in new designs
- Transducer adjustment of pressure, temperature, position, chemical, and optical sensors
- RF amplifier biasing
- Gain control and offset adjustment
Functional Block Diagram
发布日期: 2015-04-30
| 更新日期: 2022-03-11