FDC2212-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.
기술 문서
유형 | 직함 | 날짜 | ||
---|---|---|---|---|
* | 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 | 2016/05/05 |
Application note | Common Inductive and Capacitive Sensing Applications (Rev. B) | PDF | HTML | 2021/06/22 | |
Application note | Simulate Inductive Sensors Using FEMM (Finite Element Method Magnetics) (Rev. A) | PDF | HTML | 2021/06/16 | |
Application note | Capacitive Proximity Sensing Using FDC2x1y (Rev. A) | 2017/10/20 | ||
EVM User's guide | FDC2114 and FDC2214 EVM User’s Guide (Rev. A) | 2016/09/14 | ||
Application note | Ground Shifting in Capacitive Sensing Applications | PDF | HTML | 2016/05/27 | |
Application note | Power Consumption Analysis for Low Power Capacitive Sensing Applications | PDF | HTML | 2016/01/18 | |
Application note | Derivative Integration Algorithm for Proximity Sensing | 2015/09/29 | ||
Application note | Capacitive Sensing: Direct vs Remote Liquid Level Sensing Performance Analysis (Rev. A) | 2015/07/24 |
설계 및 개발
추가 조건 또는 필수 리소스는 사용 가능한 경우 아래 제목을 클릭하여 세부 정보 페이지를 확인하세요.
FDC2214EVM — 2개의 커패시티브 센서 평가 모듈이 포함된 FDC2214
The FDC2214 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 FDC2214. An MSP430 microcontroller is used to interface (...)
SNOC033 — FDC211x/FDC221x Current Consumption Estimator
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