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Description
Page 1. Freescale Semiconductor, Inc., 2009, 2009. All rights reserved. AN3747. Rev 1, 09/2009. Freescale Semiconductor. Application Note. Pad Layout 6 7 8 9 10. Pin Connections. ORDERING INFORMATION. Device Name. Temperature Range. Case Number. Touch Pads. I2C Address. Shipping. MPR121QR2 . MAX17805. GPIO. Freescale eCompass. MMA3310. Accelerometer. Freescale. Cap Touch. Sensor. MPR121QR2 . 3V/3.3A. HDMI. Silicon Image SiL9022. Micro. This hookup guide will show you how to use the MPR121QR2 sensor. The MPR121QR2 is a capacitive touch sensor controller that makes it very easy to Page 1. Fujitsu Microelectronics Europe GmbH. Page 1/12. Capacitive Touch Sensors. Application Fields, technology overview and implementation
| Part Number | MPR121QR2 |
| Main Category | Sensors, Transducers |
| Sub Category | Capacitive Touch Sensors, Proximity Sensor ICs |
| Brand | Texas Instruments |
| Description | IC CTLR TOUCH SENSOR 20-QFN |
| Series | - |
| Packaging | |
| Type | Buttons, Slider, Wheel |
| Proximity Detection | Yes |
| Number of Inputs | Up to 12 |
| LED Driver Channels | Up to 8 |
| Interface | I²ÂC |
| Resolution | - |
| Voltage - Supply | 2 V ~ 3.6 V |
| Current - Supply | 393µA |
| Operating Temperature | -40°C ~ 85°C |
| Package / Case | 20-UFQFN |
| Supplier Device Package | 20-QFN (3x3) |
| Image |  |
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