Capacitive sensing is a low-power, low-cost, highresolution contactless sensing technique that can be applied to a variety of applications ranging from proximity detection and gesture recognition to remote liquid level sensing. The sensor in a capacitive sensing system is any metal or conductor, allowing for low cost and highly flexible system design. The m.
•1 EMI-Resistant Architecture
• Maximum Output Rates (one active channel):
– 13.3 ksps (FDC2112, FDC2114)
– 4.08 ksps (FDC2212, FDC2214)
• 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
• System Noise Floor: 0.3 fF at 100 sps
• Supply Voltage: 2.7 V to 3.6 V
• Power Consumption: Active: 2.1 mA
• Low-Power Sleep Mode: 35 uA
• Shutdown: 200 nA
• Interface: I2C
• Temperature range: -40°C to +125°C
2 Applications
• Proximity Sensor
• Gesture Recognition
• Level Sensor for Liquid.
No. | Partie # | Fabricant | Description | Fiche Technique |
---|---|---|---|---|
1 | FDC2112 |
Texas Instruments |
Capacitance-to-Digital Converter | |
2 | FDC2212 |
Texas Instruments |
Capacitance-to-Digital Converter | |
3 | FDC2214 |
Texas Instruments |
Capacitance-to-Digital Converter | |
4 | FDC2310 |
Tyco Electronics |
Open Carrier Frequency Doubler | |
5 | FDC2512 |
Fairchild Semiconductor |
N-Channel MOSFET | |
6 | FDC2512 |
ON Semiconductor |
N-Channel MOSFET | |
7 | FDC2612 |
Fairchild Semiconductor |
N-Channel MOSFET | |
8 | FDC2710 |
Tyco Electronics |
Open Carrier Frequency Doubler | |
9 | FDC-xx |
Premo |
EMC Filters - Single-Phase Filters - FD/FDC/FDV IEC Connector Filter | |
10 | FDC05 |
Snaptec |
5 WATTS OUTPUT POWER | |
11 | FDC05 |
AMTEX |
DC/DC Converter | |
12 | FDC05 |
Bellus |
5 WATTS OUTPUT POWER |