FDC2114QRGHRQ1

Product Overview

Category

The FDC2114QRGHRQ1 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 detection, making it suitable for various industries such as automotive, consumer electronics, and industrial automation.

Characteristics

• High sensitivity: The FDC2114QRGHRQ1 offers high sensitivity, allowing it to detect even minute changes in capacitance.
• Low power consumption: This IC is designed to operate with low power consumption, making it energy-efficient.
• Robust performance: It provides robust performance in challenging environments, thanks to its advanced noise filtering capabilities.
• Digital output: The FDC2114QRGHRQ1 provides a digital output interface, simplifying integration into existing systems.

Package

The FDC2114QRGHRQ1 comes in a compact and industry-standard quad flat no-lead (QFN) package. This package ensures easy handling and compatibility with standard manufacturing processes.

Essence

The essence of the FDC2114QRGHRQ1 lies in its ability to accurately measure capacitance changes, enabling precise proximity and touch detection.

Packaging/Quantity

The FDC2114QRGHRQ1 is typically available in reels or trays, depending on the manufacturer's packaging standards. 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 +125°C
• Capacitance resolution: 28 bits
• I2C interface: Supports standard and fast mode (up to 400kHz)
• Package dimensions: 4mm x 4mm QFN

Detailed Pin Configuration

The FDC2114QRGHRQ1 has a total of 16 pins, each serving a specific function. The pin configuration is as follows:

1. VDD - Power supply voltage
2. GND - Ground reference
3. SDA - I2C serial data line
4. SCL - I2C serial clock line
5. ADDR0 - Address selection bit 0
6. ADDR1 - Address selection bit 1
7. INTB - Interrupt output
8. DRDYB - Data ready output
9. CIN1P - Positive input for channel 1 capacitance measurement
10. CIN1N - Negative input for channel 1 capacitance measurement
11. CIN2P - Positive input for channel 2 capacitance measurement
12. CIN2N - Negative input for channel 2 capacitance measurement
13. CIN3P - Positive input for channel 3 capacitance measurement
14. CIN3N - Negative input for channel 3 capacitance measurement
15. CIN4P - Positive input for channel 4 capacitance measurement
16. CIN4N - Negative input for channel 4 capacitance measurement

Functional Features

• Proximity sensing: The FDC2114QRGHRQ1 can detect the presence of objects in close proximity without physical contact.
• Touch detection: It enables touch-sensitive interfaces by accurately detecting changes in capacitance when a user touches or approaches a surface.
• Multi-channel capability: With four independent channels, this IC allows simultaneous sensing of multiple capacitive inputs.
• Noise filtering: The FDC2114QRGHRQ1 incorporates advanced noise filtering algorithms to ensure reliable and accurate measurements even in noisy environments.

Advantages and Disadvantages

Advantages

• High sensitivity enables precise proximity and touch detection.
• Low power consumption for energy-efficient operation.
• Robust performance in challenging environments.
• Digital output simplifies integration into existing systems.

Disadvantages

• Limited to capacitive sensing applications, not suitable for other types of sensing.
• Requires proper calibration for optimal performance.

Working Principles

The FDC2114QRGHRQ1 operates based on the principle of capacitance measurement. It utilizes an internal oscillator to generate an alternating electric field. When an object or a human finger approaches the sensor surface, it causes a change in the capacitance. The IC measures this change and converts it into a digital value using its high-resolution analog-to-digital converter (ADC). By analyzing these measurements, the FDC2114QRGHRQ1 can determine the presence or absence of objects and detect touch events.

Detailed Application Field Plans

The FDC2114QRGHRQ1 finds applications in various industries, including:

1. Automotive: Used for proximity detection in keyless entry systems, touch-sensitive buttons, and gesture recognition interfaces in vehicles.
2. Consumer Electronics: Enables