Analog Devices Inc. AD511x 数字电位计
Analog Devices AD511x数字电位计提供了针对128-/64-/32-位调整应用的非易失性解决方案，保证±8%的低电阻容差误差，±A、B和W引脚之间的电流密度可达6 mA。低电阻容差、低标称温度系数和高带宽等特性可简化开环应用和容差匹配应用。
特性
- ±8% Maximum nominal resistor tolerance error
- ±6mA Wiper current
- 35ppm/°C Rheostat mode temperature coefficient
- 2.5μA max @ 2.7V and 125°C Low power consumption
- 4MHz (5kΩ option) Wide bandwidth
- Power-on EEPROM refresh time <50μs
- 50-year typical data retention at 125°C
- 1 million write cycles
- 2.3V to 5.5V supply operation
- -40°C to +125°C Wide operating temperature
- Thin, 2x2×0.55mm 8-lead LFCSP package
应用
- Mechanical potentiometer replacement
- Portable electronics level adjustment
- Audio volume control
- Low resolution DAC
- LCD panel brightness and contrast control
- Programmable voltage to current conversion
- Programmable filters, delays, time constants
- Feedback resistor programmable power supply
- Sensor calibration
发布日期: 2013-04-23
| 更新日期: 2025-02-07