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MPR031EPR2 Datasheet(PDF) 1 Page - NXP Semiconductors |
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MPR031EPR2 Datasheet(HTML) 1 Page - NXP Semiconductors |
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1 / 33 page  MPR03X Rev 7, 7/2012 Freescale Semiconductor Data Sheet: Technical Data An Energy Efficient Solution by Freescale © 2008, 2009, 2011, 2012 Freescale Semiconductor, Inc. All rights reserved. Proximity Capacitive Touch Sensor Controller The MPR03X is an Inter-Integrated Circuit Communication (I2C) driven Capacitive Touch Sensor Controller, optimized to manage two electrodes with interrupt functionality, or three electrodes with the interrupt disabled. It can accommodate a wide range of implementations due to increased sensitivity and a specialized feature set. Features • 6 µA supply current with two electrodes being monitored with 32 ms response time and IRQ enabled • Compact 2 x 2 x 0.65 mm 8-lead µDFN package • Supports up to 3 touch pads • Only one external component needed • Intelligent touch detection capacity • 4 µA maximum shutdown current • 1.71 V to 2.75 V operation • Threshold based detection with hysteresis •I2C interface, with optional IRQ • Multiple devices in a system allow for up to 6 electrodes (need MPR032 with second I2C address) • -40°C to +85°C operating temperature range Implementations • Switch Replacements • Touch Pads Typical Applications • PC Peripherals • MP3 Players • Remote Controls • Mobile Phones • Lighting Controls ORDERING INFORMATION Device Name Temperature Range Case Number Touch Pads I2C Address Shipping MPR031EPR2 -40 C to +85C 1944 (8-Pin DFN) 3-pads 0x4A Tape and Reel MPR032EPR2 -40 C to +85C 1944 (8-Pin DFN) 3-pads 0x4B Tape and Reel MPR031 MPR032 Top View Figure 1. Pin Connections Bottom View 8-PIN DFN CASE 1944 1 SCL 2 3 8 7 6 5 4 SDA VSS VDD IRQ/ELE2 ELE1 ELE0 REXT MPR03X Interface I²C Serial VSS SDA SCL MPR03X ELE0 ELE1 VDD INT 1 2 VSS 75k REXT MPR03X with 2 Electrodes and 2 Pads |
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