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Signal Circuits / Other Signal Circuits / MPR121QR2
Datasheets
MPR121QR2 by:
Resurgent Semiconductor, LLC
Freescale Semiconductor
NXP Semiconductors
onsemi
Resurgent Semiconductor, LLC
Not Found

Analog Circuit, 1 Func, QFN-20

Part Details for MPR121QR2 by Resurgent Semiconductor, LLC

Results Overview of MPR121QR2 by Resurgent Semiconductor, LLC

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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 Resurgent Semiconductor, LLC 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
ComSIT USA AVAILABLE EU 2267
RFQ
ComSIT USA Analog Circuit, 1 Func RoHS: Compliant ECCN: EAR99 Stock DE - 175
Stock ES - 0
Stock US - 0
Stock MX - 0
Stock CN - 0
Stock HK - 0
RFQ

Part Details for MPR121QR2

MPR121QR2 CAD Models

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MPR121QR2 Part Data Attributes

Parametric Data
MPR121QR2 Resurgent Semiconductor, LLC
Buy Now Datasheet
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MPR121QR2 Resurgent Semiconductor, LLC Analog Circuit, 1 Func, QFN-20
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Rohs Code Yes
Part Life Cycle Code Contact Manufacturer
Ihs Manufacturer RESURGENT SEMICONDUCTOR LLC
Package Description QFN-20
Reach Compliance Code compliant
Samacsys Manufacturer Resurgent Semiconductor
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 Related Parts

MPR121QR2 Frequently Asked Questions (FAQ)

  • The recommended layout and placement for the MPR121QR2 involves keeping the device away from high-frequency noise sources, using a solid ground plane, and placing the device close to the touch electrodes to minimize noise and ensure optimal performance.

  • To optimize the touch electrode design, consider the electrode size, shape, and spacing, as well as the material and thickness of the electrode. A larger electrode size can improve sensitivity, but may also increase noise. A good starting point is to use electrodes with a diameter of 5-10mm, spaced 5-10mm apart.

  • The recommended power-up sequence for the MPR121QR2 involves applying VDD first, followed by VSS, and then the clock signal. This ensures that the device powers up correctly and minimizes the risk of latch-up or other power-related issues.

  • To handle EMI with the MPR121QR2, use shielding, filtering, and grounding techniques to minimize electromagnetic radiation. Keep the device and electrodes away from high-frequency sources, and use a metal shield or Faraday cage to enclose the device and electrodes.

  • For debugging and troubleshooting the MPR121QR2, use a logic analyzer or oscilloscope to monitor the device's signals, and check the device's registers and status bits to identify any errors or issues. Consult the datasheet and application notes for guidance on specific debugging techniques.