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Part Details for MPR121QR2 by NXP Semiconductors
Results Overview of MPR121QR2 by NXP Semiconductors
- Distributor Offerings: (5 listings)
- Number of FFF Equivalents: (0 replacements)
- CAD Models: (Available)
- Number of Functional Equivalents: (0 options)
- Part Data Attributes: (Available)
- Reference Designs: (Not Available)
Tip: Data for a part may vary between manufacturers. You can filter for manufacturers on the top of the page next to the part image and part number.
Applications
Internet of Things (IoT)
Environmental Monitoring
Financial Technology (Fintech)
Smart Cities
Transportation and Logistics
Agriculture Technology
Telecommunications
Virtual Reality (VR), Augmented Reality (AR), and Vision Systems
Education and Research
Consumer Electronics
Security and Surveillance
Audio and Video Systems
Computing and Data Storage
Healthcare
Entertainment and Gaming
MPR121QR2 Information
MPR121QR2 by NXP Semiconductors is an Other Signal Circuit.
Other Signal Circuits are under the broader part category of Signal Circuits.
A signal is an electronic means of transmitting information, either as an analog signal with continuous values or a digital signal with discrete values. Signals are used in various systems and networks. Read more about Signal Circuits on our Signal Circuits part category page.
Price & Stock for MPR121QR2
| Part # | Distributor | Description | Stock | Price | Buy | |
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DISTI #
28X3711
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Newark | Capacitive Touch Sensor Controller, Qfn-20, Output Interface:I2C, Supply Voltage Min:1.71V, Supply Voltage Max:3.6V, Sensor Case/Package:Qfn, No. Of Pins:20Pins, Operating Temperature Min:-40°C, Operating Temperature Max:85°C Rohs Compliant: Yes |Nxp MPR121QR2 RoHS: Compliant Min Qty: 1000 Package Multiple: 1 Date Code: 0 Container: Reel | 0 |
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Buy Now | |
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DISTI #
24R9786
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Newark | Capacitive Touch Sensor Controller, Qfn-20, Output Interface:I2C, Supply Voltage Min:1.71V, Supply Voltage Max:3.6V, Sensor Case/Package:Qfn, No. Of Pins:20Pins, Operating Temperature Min:-40°C, Operating Temperature Max:85°C Rohs Compliant: Yes |Nxp MPR121QR2 RoHS: Compliant Min Qty: 1000 Package Multiple: 1 Date Code: 0 Container: Cut Tape | 0 |
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Buy Now | |
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DISTI #
MPR121QR2
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Avnet Silica | Sensor Controller Capacitive I2C 20Pin QFN TR (Alt: MPR121QR2) RoHS: Compliant Min Qty: 1000 Package Multiple: 1000 | Silica - 0 |
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Buy Now | |
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DISTI #
MPR121QR2
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Avnet Silica | TRACER DEBUG MODULE FOR MC33816 AND PT20 (Alt: MPR121QR2) RoHS: Compliant Min Qty: 1000 Package Multiple: 1000 Lead time: 17 Weeks, 0 Days | Silica - 0 |
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Buy Now | |
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LCSC | QFN-20(3x3) Touch Sensors ROHS | 2460 |
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$1.4146 / $2.4388 | Buy Now |
Part Details for MPR121QR2
MPR121QR2 CAD Models
MPR121QR2 Part Data Attributes
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MPR121QR2
NXP Semiconductors
Buy Now
Datasheet
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Compare Parts:
MPR121QR2
NXP Semiconductors
SPECIALTY ANALOG CIRCUIT
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| Rohs Code | Yes | |
| Part Life Cycle Code | Transferred | |
| Ihs Manufacturer | NXP SEMICONDUCTORS | |
| Package Description | QFN-20 | |
| Reach Compliance Code | compliant | |
| HTS Code | 8542.39.00.01 | |
| Factory Lead Time | 2 Days | |
| Samacsys Manufacturer | NXP | |
| Analog IC - Other Type | ANALOG CIRCUIT | |
| JESD-30 Code | S-XQCC-N20 | |
| Length | 3 mm | |
| Number of Functions | 1 | |
| Number of Terminals | 20 | |
| Operating Temperature-Max | 85 °C | |
| Operating Temperature-Min | -40 °C | |
| Package Body Material | UNSPECIFIED | |
| Package Code | VQCCN | |
| Package Shape | SQUARE | |
| Package Style | CHIP CARRIER, VERY THIN PROFILE | |
| Seated Height-Max | 0.6 mm | |
| Supply Voltage-Max (Vsup) | 3.6 V | |
| Supply Voltage-Min (Vsup) | 2 V | |
| Supply Voltage-Nom (Vsup) | 3.3 V | |
| Surface Mount | YES | |
| Temperature Grade | INDUSTRIAL | |
| Terminal Form | NO LEAD | |
| Terminal Pitch | 0.4 mm | |
| Terminal Position | QUAD | |
| Width | 3 mm |
MPR121QR2 Frequently Asked Questions (FAQ)
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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.