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FDC2114RGHR
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FDC2114RGHR

Product Overview

Category

The FDC2114RGHR belongs to the category of integrated circuits (ICs) and specifically falls under the sensor ICs.

Use

This product is primarily used for capacitive sensing applications. It enables accurate and reliable proximity and touch sensing capabilities in various electronic devices.

Characteristics

  • High sensitivity: The FDC2114RGHR offers excellent sensitivity, allowing it to detect even minute changes in capacitance.
  • Low power consumption: This IC is designed to operate efficiently with minimal power consumption, making it suitable for battery-powered devices.
  • Digital output: It provides a digital output interface, simplifying integration into different systems.
  • Wide operating voltage range: The FDC2114RGHR can operate within a wide voltage range, enhancing its versatility.

Package

The FDC2114RGHR comes in a compact and industry-standard QFN (Quad Flat No-leads) package. This package ensures easy handling and compatibility with standard manufacturing processes.

Essence

The essence of the FDC2114RGHR lies in its ability to accurately measure capacitance changes, enabling precise proximity and touch sensing functionality.

Packaging/Quantity

This product is typically available in reels or trays, depending on the manufacturer's packaging specifications. The quantity per reel or tray may vary, but it is commonly supplied in quantities of 250 or 1000 units.

Specifications

  • Supply Voltage: 2.7V to 3.6V
  • Operating Temperature Range: -40°C to +85°C
  • Capacitance Resolution: 28 bits
  • I2C Interface: Yes
  • Package Type: QFN
  • Package Dimensions: 4mm x 4mm

Detailed Pin Configuration

The FDC2114RGHR has a total of 16 pins arranged as follows:

  1. VDD: Power supply voltage
  2. GND: Ground reference
  3. SDA: I2C serial data input/output
  4. SCL: I2C serial clock input
  5. ADDR: Address selection pin
  6. INTB: Interrupt output
  7. DRDYB: Data ready output
  8. TEST: Test mode pin
  9. CIN1P: Capacitive sensing input 1 positive terminal
  10. CIN1N: Capacitive sensing input 1 negative terminal
  11. CIN2P: Capacitive sensing input 2 positive terminal
  12. CIN2N: Capacitive sensing input 2 negative terminal
  13. CIN3P: Capacitive sensing input 3 positive terminal
  14. CIN3N: Capacitive sensing input 3 negative terminal
  15. CIN4P: Capacitive sensing input 4 positive terminal
  16. CIN4N: Capacitive sensing input 4 negative terminal

Functional Features

  • Proximity Sensing: The FDC2114RGHR can detect the presence of objects in close proximity without physical contact.
  • Touch Sensing: It enables touch-sensitive interfaces, allowing users to interact with devices through touch gestures.
  • Multi-channel Capability: This IC supports up to four independent capacitive sensing channels, providing flexibility in system design.
  • Noise Immunity: The FDC2114RGHR incorporates advanced noise filtering techniques, ensuring reliable operation even in noisy environments.

Advantages and Disadvantages

Advantages

  • High sensitivity enables accurate and precise sensing.
  • Low power consumption prolongs battery life in portable devices.
  • Digital output simplifies integration and reduces external components.
  • Wide operating voltage range enhances compatibility with different systems.

Disadvantages

  • Limited number of capacitive sensing channels may restrict certain applications requiring more channels.
  • Requires proper calibration for optimal performance.

Working Principles

The FDC2114RGHR utilizes the principle of capacitive sensing to detect changes in capacitance. It generates an oscillating electric field and measures the resulting capacitance changes caused by nearby objects or touch. These capacitance variations are then converted into digital signals, providing proximity or touch information to the host system.

Detailed Application Field Plans

The FDC2114RGHR finds applications in various fields, including:

  1. Consumer Electronics: Touch-sensitive buttons, sliders, and touchpads in smartphones, tablets, and laptops.
  2. Home Appliances: Proximity detection for automatic faucets, soap dispensers, and touchless switches.
  3. Automotive: Capacitive touch controls for infotainment systems, climate control panels, and steering wheel controls.
  4. Industrial Automation: Proximity sensing for human-machine interfaces, industrial control panels, and safety systems.

Detailed and Complete Alternative Models

  • FDC2214RGHR: Similar to the FDC2114RGHR but with additional features such as temperature compensation and higher resolution.
  • FDC2314RGHR: A four-channel version of the FDC2114RG

Lista 10 Vanliga frågor och svar relaterade till tillämpningen av FDC2114RGHR i tekniska lösningar

Sure! Here are 10 common questions and answers related to the application of FDC2114RGHR in technical solutions:

  1. Q: What is FDC2114RGHR? A: FDC2114RGHR is a highly integrated, high-resolution capacitance-to-digital converter designed for use in capacitive sensing applications.

  2. Q: What are some typical applications of FDC2114RGHR? A: FDC2114RGHR can be used in various applications such as proximity sensing, level sensing, touch control panels, liquid level measurement, and human presence detection.

  3. Q: What is the resolution of FDC2114RGHR? A: FDC2114RGHR has a resolution of up to 28 bits, allowing for precise measurement of capacitance changes.

  4. Q: How many channels does FDC2114RGHR have? A: FDC2114RGHR has four capacitance measurement channels, enabling simultaneous measurement of multiple sensors or inputs.

  5. Q: What is the operating voltage range of FDC2114RGHR? A: FDC2114RGHR operates from a supply voltage range of 2.7V to 3.6V.

  6. Q: Can FDC2114RGHR interface with microcontrollers? A: Yes, FDC2114RGHR features an I2C interface, making it easy to interface with microcontrollers and other digital devices.

  7. Q: Does FDC2114RGHR support automatic calibration? A: Yes, FDC2114RGHR includes an on-chip automatic calibration feature that compensates for environmental changes and ensures accurate measurements.

  8. Q: What is the maximum sampling rate of FDC2114RGHR? A: FDC2114RGHR can achieve a maximum sampling rate of up to 200 samples per second.

  9. Q: Can FDC2114RGHR operate in harsh environments? A: Yes, FDC2114RGHR is designed to operate reliably in industrial environments and can withstand temperature ranges from -40°C to +125°C.

  10. Q: Are there any evaluation boards or development kits available for FDC2114RGHR? A: Yes, Texas Instruments provides evaluation boards and development kits that allow engineers to quickly prototype and evaluate the performance of FDC2114RGHR in their applications.

Please note that these answers are general and may vary depending on the specific implementation and requirements of your technical solution.