Texas Instruments LDC1101 电感数字转换器
德州仪器 LDC1101 电感数字转换器 是一款 1.8V 至 3.3V、高分辨率电感数字转换器。被设计用于对位置、旋转或运动进行短距离、高速、无触点感测。即使存在污垢或灰尘该器件也能够实现可靠、精确的测量，非常适合户外或严苛环境。LDC1101 特有双感应测量内核，可在执行>150ksps 的 16 位 RP 和 L 测量的同时，进行分辨率高达 24 位的高分辨率 L 测量，采样速率可高达>180ksps 以上。LDC1101 包含阈值比较功能，该功能可在器件运行时动态更新。
特性
- 1.8V to 3.3V operating voltage range
- 500kHz to 10MHz sensor frequency range
- 16-bit RP resolution
- 16/24-bit L resolution
- 180kSPS conversion rate
- Threshold detection functionality
- 1% part-to-part variation in RP measurement
- Supply Current
- 1.4µA shutdown mode
- 135µA sleep mode
- 1.9mA active mode (no sensor connected)
- Sub-micron distance resolution achievable
- Remote sensor placement isolating the LDC from harsh environments
- Robust against environmental interferences such as oil, water, dirt or dust
- Minimal external components
- Magnet-free operation
- -40°C to +125°C operating temperature
应用
- High-speed gear counting
- High-speed event counting
- Motor speed sensing
- Knobs and dials for appliances, automotive, and consumer applications
- HMI for appliances, automotive, and consumer applications
- Buttons and keypads
- Motor control
- Metal detection
TI Reference Design Library
Functional Block Diagram
Eval Module
Texas Instruments LDC1101EVM 评估模块
演示在 LDC1101 感数字转换器中如何使用感应传感技术。
视频
Associated Product
Mikroe LDC1101 (MIKROE-3240)
电感-数字转换器Click Board™，应用极为广泛。
发布日期: 2015-08-10
| 更新日期: 2022-03-11