Analog Devices Inc. AD5683R/AD5682R/AD5681R/AD5683 nanoDAC+
Analog Devices AD5683R/AD5682R/AD5681R/AD5683 均属于 nanoDAC+® 产品系列,它们是低功耗、单通道、 16-/14-/12 位缓冲电压输出数模转换器。内部上电复位电路确保数模转换器寄存器上电时写入零电平,而内部输出缓冲器配置为正常模式。AD5683R/AD5682R/ AD5681R/AD5683 具有掉电模式,可在 5V 时将器件电流消耗降至 2μA(最大值),并且提供软件可选的输出负载。该器件内置默认启用的内部 2.5V 基准,具有 2 ppm/°C 漂移。输出跨度经编程可设置为 0V 至VREF ,或 0V 到 2×VREF。采用 2.7V 至 5.5V 单电源供电,设计时保证了单调性。该器件采用 2.00mm×2.00mm、8 引脚 LFCSP 或 10 引脚 MSOP 封装。特性
- 2mm × 2mm, 8-lead LFCSP Ultrasmall package
- ±2LSB maximum at 16 bits High relative accuracy (INL)
- AD5683R/AD5682R/AD5681R
- 2ppm/°C typical Low drift, 2.5V reference
- 2.5V or 5V Selectable span output
- AD5683
- External reference only
- VREF or 2 × VREF Selectable span output
- 0.06% of FSR maximum Total unadjusted error (TUE)
- ±1.5mV Maximum offset error
- ±0.05% of FSR maximum gain error
- 0.1nV-sec Low glitch
- 20mA High drive capability
- 1.2mW at 3.3V Low power
- 1.8V to 5.5V Independent logic supply
- −40°C to +105°C Wide operating temperature range
- Robust 4kV HBM ESD protection
应用
- Process controls
- Data acquisition systems
- Digital gain and offset adjustment
- Programmable voltage sources
Functional Block Diagram
发布日期: 2014-04-17
| 更新日期: 2025-02-07
