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Name: FDC2214RGHR
Brand: Texas Instruments
SKU: FDC2214RGHR
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

Any Feature, including a modified Existing Feature, that is not an Existing Feature.

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Texas Instruments FDC2214RGHR

Part No.:: FDC2214RGHR

Manufacturer:: Texas Instruments

Package:: 16-WFQFN Exposed Pad

Datasheet:: FDC2214RGHR.pdf

Description:: IC CAPACITIVE SENSING

In Stock:: 3736

Quantity:: Add To Cart

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FDC2214RGHR Specifications

Packaging:
Tape & Reel (TR),Bulk
Series:
-
ProductStatus:
Active
Type:
Proximity Detector
ProximityDetection:
Yes
NumberofInputs:
4
LEDDriverChannels:
-
Interface:
I²C
Resolution:
28 b
Voltage-Supply:
± 2.7V ~ 3.6V
Current-Supply:
2.1mA
OperatingTemperature:
-40°C ~ 125°C
MountingType:
Surface Mount

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FDC2214RGHR information

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FDC2214RGHR Typical application Circuitry

FDC2214RGHR

The FDC2214RGHR is a sophisticated capacitive sensing integrated circuit (IC) from Texas Instruments, designed as part of the FDC22xx series. This series is renowned for its precision in measuring capacitance changes, making it ideal for applications requiring touch sensing, proximity detection, and material analysis. The FDC2214RGHR, in particular, excels in environments where traditional capacitive sensors may struggle, such as in the presence of moisture, dirt, or other external factors that typically impair sensor performance.

1. Power Supply Requirements and Voltage Operation: This IC is designed to operate efficiently with a power supply voltage (VDD) typically ranging from 2.7V to 3.6V, accommodating the low power requirements of battery-operated and portable devices. The low power consumption, coupled with its wide supply voltage range, ensures that the FDC2214RGHR can be integrated into various system designs without necessitating complex power management solutions.

2. Pin Configuration and Connection Overview: The FDC2214RGHR is housed in a compact QFN package, featuring a detailed pin configuration that supports its capacitive sensing capabilities. Key pins include VDD (power supply), GND (ground), SDA (Serial Data), SCL (Serial Clock), ADDR (I2C address select), and four INx (sensor input) pins. Each INx pin is designed to connect to an external capacitive sensor element, enabling the IC to monitor changes in capacitance with high precision. The SDA and SCL pins facilitate communication over the I2C interface, allowing the device to transmit capacitance measurement data to a microcontroller or processor.

3. Efficient Connection Strategy for Enhanced Sensing Performance: To maximize the sensing performance of the FDC2214RGHR, a strategic approach to circuit connections is essential. This involves ensuring short, low-resistance paths from the INx pins to the capacitive sensor elements, minimizing noise and interference in the capacitance measurements. Additionally, the VDD and GND connections should be decoupled with capacitors placed close to the IC to stabilize the power supply and further reduce noise.

4. Advanced Features for Precision Capacitance Measurement: The FDC2214RGHR incorporates several advanced features that set it apart in the realm of capacitive sensing. These include a high-resolution measurement capability that allows for the detection of minute changes in capacitance, a noise-filtering algorithm that enhances measurement accuracy in noisy environments, and multi-channel support that enables the device to monitor multiple capacitive sensors simultaneously. These features make the FDC2214RGHR exceptionally versatile and capable of delivering precise measurements across a wide range of applications.

5. Thermal Management and Device Protection: While the FDC2214RGHR is designed for low power consumption and minimal thermal dissipation, proper thermal management practices should still be observed to ensure device longevity and reliability. This includes maintaining adequate airflow around the IC and avoiding the placement of heat-generating components nearby. Additionally, protective measures such as over-voltage protection on the sensor input pins can prevent damage from static discharge or external voltage spikes.

6. Circuit Design Considerations for Optimizing Sensor Integration: Integrating the FDC2214RGHR into a capacitive sensing system requires careful consideration of the sensor design and PCB layout to optimize performance. This includes selecting appropriate materials and geometries for the capacitive sensor elements, designing the PCB layout to minimize parasitic capacitances, and implementing shielding techniques to protect the sensor signals from external electromagnetic interference.

7. Supporting Circuit Components for Comprehensive System Design: Achieving optimal performance with the FDC2214RGHR extends beyond the IC itself, necessitating the selection of high-quality supporting components. This includes precision capacitors for decoupling, pull-up resistors for the I2C interface, and, if required, external oscillators to provide a stable clock source. Careful selection of these components can significantly enhance the accuracy, reliability, and overall performance of the capacitive sensing system.

In summary, the FDC2214RGHR from Texas Instruments represents a highly advanced solution for capacitive sensing applications, offering unmatched precision, versatility, and robustness against environmental factors. Its comprehensive pin configuration, coupled with strategic connection methodologies and advanced features, makes it an invaluable component for developing sophisticated capacitive sensing systems across a wide range of applications.

FDC2214RGHR FAQ

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6. What is the process for return or replacement of FDC2214RGHR?

All goods will implement Pre-Shipment Inspection (PSI), selected at random from all batches of your order to do a systematic inspection before arranging the shipment. If there is something wrong with the FDC2214RGHR we delivered, we will accept the replacement or return of the FDC2214RGHR only when all of the below conditions are fulfilled:

(1)Such as a deficiency in quantity, delivery of wrong items, and apparent external defects (breakage and rust, etc.), and we acknowledge such problems.

(2)We are informed of the defect described above within 90 days after the delivery of FDC2214RGHR.

(3)The PartNo is unused and only in the original unpacked packaging.

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(1)Inform us within 90 days

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