Texas Instruments FDC2112
the FDC2x1x innovative EMI resistant architecture, performance can be maintained even in presence of high-noise environments. The FDC2x1x 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.| Part No. | FDC2112 |
|---|---|
| Datasheet | FDC2112 Download |
| Manufacturer |  Texas Instruments |
| Description | Capacitance-to-Digital Converter |
| Buy | Stock & Price |
APPLICATIONS
1FEATURES
●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 Liquids, including Conductive ones such as Detergent, Soap, and Ink
● Collision Avoidance
● Rain, Fog, Ice, Snow Sensor
● Automotive Door and Kick Sensors
● Material Size Detection 3
DESCRIPTION
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.
