- Datasheet Download Datasheet
- Stock & Prices $ Price & Stock for MPR121QR2
- Part Number MPR121QR2
- Manufacturer NXP
- Pin Count 20
- Part Category Integrated Circuit
- Package Category Quad Flat No-Lead
- Footprint Name Quad Flat No-Lead - MPR121QR2sss
- Released Date Mar 31, 2023
- Last Modified Date Apr 1, 2023 6:26 AM UTC
- Pinout / Pin List Click Here (Member Only)
MPR121QR2 Details
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Manufacturer Part Number:
MPR121QR2
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Rohs Code:
Yes
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Part Life Cycle Code:
Transferred
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Package Description:
QFN-20
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HTS Code:
8542.39.00.01
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Factory Lead Time:
2 Days
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Manufacturer:
NXP Semiconductors
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Analog IC - Other Type:
ANALOG CIRCUIT
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JESD-30 Code:
S-XQCC-N20
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Length:
3 mm
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Number of Functions:
1
MPR121QR2 Frequently Asked Questions (FAQs)
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The recommended layout and routing for the MPR121QR2 involves keeping the sensor lines as short as possible, using a solid ground plane, and avoiding routing signals under the sensor electrodes. A 4-layer PCB with a dedicated ground plane is recommended.
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Calibration involves adjusting the sensitivity and threshold settings to optimize the sensor's performance. This can be done using the NXP-provided calibration tool or by writing custom code to adjust the registers. It's recommended to calibrate the sensor in the final application environment.
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The MPR121QR2 can support up to 12 electrodes, but the maximum number of electrodes that can be connected depends on the specific application and the desired level of sensitivity. It's recommended to consult the datasheet and application notes for guidance on electrode configuration.
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Noise and interference can be mitigated by using proper shielding, grounding, and filtering techniques. Additionally, the MPR121QR2 has built-in noise filtering and debouncing features that can be enabled through register settings.
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The power consumption of the MPR121QR2 depends on the operating mode and frequency. To minimize power consumption, use the lowest possible frequency and enable the low-power mode when not in use. Additionally, consider using a low-power microcontroller and optimizing the system's power management.
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MPR121QR2 Overview
Use the download button to access the MPR121QR2 schematic symbol, PCB footprint, and 3D model.
To find more CAD model downloads similar to this part, try a partial part number search, like MPR12,
or try a keyword search, such as Other Signal Circuits
About NXP
NXP Semiconductors is a leading manufacturer of semiconductor devices with a wide range of semiconductor solutions, including microcontrollers, sensors, connectivity solutions, power management ICs, and security solutions. These products are used in a variety of applications such as automotive, industrial automation, smart homes, mobile devices, and more.
NXP Semiconductors is one of the world’s largest semiconductor companies and is headquartered in Eindhoven, the Netherlands.
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