ZHCSET4B December 2015 – April 2024 LDC0851
PRODUCTION DATA
- 1
- 1 特性
- 2 應用
- 3 說明
- 4 Pin Configuration and Functions
- 5 Specifications
- 6 Detailed Description
- 7 Application and Implementation
- 8 Device and Documentation Support
- 9 Revision History
- 10Mechanical, Packaging, and Orderable Information
7.2.1 Event Counting
The LDC0851 can be used for event counting applications such gear tooth detection or rotational speed measurements. An example of gear tooth detection using side by side coils is shown below where the gear is made of a conductive material and rotates over the coils. Two identical coils can be placed such that when one of the coils is covered by a gear tooth, the other is uncovered. The output will toggle when the inductance values of both coils are equal as the gear passes by.
Figure 7-2 Gear Tooth Functional Diagram