開發模組 (EVM) 的 GUI
FDC2112-Q1
- Qualified for Automotive Applications
- AEC-Q100 Qualified With the Following Results:
- Device Temperature Grade 1:–40°C to +125°C
Ambient Operating Temperature Range - Device HBM ESD Classification Level 2
- Device CDM ESD Classification Level C5
- Device Temperature Grade 1:–40°C to +125°C
- EMI-Resistant Architecture
- Maximum Output Rates (One Active Channel):
- 13.3 ksps (FDC2112-Q1, FDC2114-Q1)
- 4.08 ksps (FDC2212-Q1, FDC2214-Q1)
- Maximum Input Capacitance: 250 nF (at 10 kHz
with 1-mH inductor) - Sensor Excitation Frequency: 10 kHz to 10 MHz
- Number of Channels: 2, 4
- Resolution: Up to 28 bits
- RMS noise: 0.3 fF at 100 sps and fSENSOR = 5MHz
- Supply Voltage: 2.7 V to 3.6 V
- Power Consumption: Active: 2.1 mA
- Low-Power Sleep Mode: 35 µA
- Shutdown: 200 nA
- Interface: I2C
- Temperature Range: –40°C to +125°C
Capacitive sensing is a low-power, low-cost, high-resolution contactless sensing technique that can be applied to a variety of applications ranging from proximity detection to gesture recognition. The sensor in a capacitive sensing system is any metal or conductor, allowing for low cost and highly flexible system design.
The main challenge limiting sensitivity in capacitive sensing applications is noise susceptibility of the sensors. With the FDC2x1x-Q1 innovative EMI resistant architecture, performance can be maintained even in presence of high-noise environments.
The FDC2x1x-Q1 is a multi-channel family of noise- and EMI-resistant, high-resolution, high-speed capacitance-to-digital converters for implementing capacitive sensing solutions. The devices employ an innovative narrow-band based architecture to offer high rejection of noise and interferers while providing high resolution at high speed. The devices support a wide excitation frequency range, offering flexibility in system design.
技術文件
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檢視所有 9 | 類型 | 標題 | 日期 | ||
|---|---|---|---|---|
| * | Data sheet | FDC2112-Q1, FDC2114-Q1, FDC2212-Q1, FDC2214-Q1 Multi-Channel 12-Bit or 28-Bit Capacitance-to-Digital Converter (FDC) for Capacitive Sensing datasheet | PDF | HTML | 2016年 5月 5日 |
| Application note | Common Inductive and Capacitive Sensing Applications (Rev. B) | PDF | HTML | 2021年 6月 22日 | |
| Application note | Simulate Inductive Sensors Using FEMM (Finite Element Method Magnetics) (Rev. A) | PDF | HTML | 2021年 6月 16日 | |
| Application note | Capacitive Proximity Sensing Using FDC2x1y (Rev. A) | 2017年 10月 20日 | ||
| EVM User's guide | FDC2114 and FDC2214 EVM User’s Guide (Rev. A) | 2016年 9月 14日 | ||
| Application note | Ground Shifting in Capacitive Sensing Applications | PDF | HTML | 2016年 5月 27日 | |
| Application note | Power Consumption Analysis for Low Power Capacitive Sensing Applications | PDF | HTML | 2016年 1月 18日 | |
| Application note | Derivative Integration Algorithm for Proximity Sensing | 2015年 9月 29日 | ||
| Application note | Capacitive Sensing: Direct vs Remote Liquid Level Sensing Performance Analysis (Rev. A) | 2015年 7月 24日 |
設計與開發
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開發板
FDC2114EVM — 具有兩個電容式感測器的 FDC2114 評估模組
The FDC2114 evaluation module demonstrates capacitive sensing technology to detect the presence of a conductive or non-conductive target. The evaluation module includes two PCB capacitive sensors that connect to two of the four channels of the FDC2114. An MSP430 microcontroller is used to interface (...)
使用指南: PDF
支援軟體
SNOC033 — FDC211x/FDC221x Current Consumption Estimator
支援產品和硬體
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