Datasheet > MPR084EJR2

MPR084EJR2

更新时间： 2024-01-21 09:27:14

品牌	Logo	应用领域
恩智浦 - NXP		/
页数	文件大小	规格书
39页	349K
描述
IC,TOUCH SENSOR/CONTROLLER,TSSOP,16PIN,PLASTIC

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技术参数
数据手册

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MPR084EJR2 技术参数

是否无铅：	不含铅	是否Rohs认证：	符合
生命周期：	Obsolete	Reach Compliance Code：	unknown
风险等级：	5.63	Base Number Matches：	1

MPR084EJR2 数据手册

MPR084

Rev 5, 11/2008

Freescale Semiconductor

Technical Data

Product Preview

Proximity Capacitive Touch

Sensor Controller

MPR084 OVERVIEW

MPR084

Capacitive Touch

Sensor Controller

The MPR084 is an Inter-Integrated Circuit Communication (I²C) driven

Capacitive Touch Sensor Controller, optimized to manage an 8-touch pad

capacitive array. The device can accommodate a wide range of

implementations through 3 output mechanisms, and many configurable

options.

Bottom View

Features

•

1.8 V to 3.6 V operation

41 µA average supply current with 1 s response time

2 µA low Standby Current

Variable low power mode response time (32 ms – 4 s)

Rejects unwanted multi-key detections from EMI events such as PA

bursts or user handling

16-LEAD QFN

CASE 1679

•

Ongoing pad analysis and detection is not reset by EMI events

Data is buffered in a FIFO for shortest access time

IRQ output advises when FIFO has data

System can set interrupt behavior as immediate after event, or

program a minimum time between successive interrupts

Current touched pad position is always available on demand for

polling-based systems

16-LEAD TSSOP

CASE 948F

•

Top View

Sounder output can be enabled to generate key-click sound when pad

is touched

Two hardware selectable I²C addresses allowing two devices on a

16 15 14 13

single I²C bus

ATTN

•

Configurable real-time auto calibration

5 mm x 5 mm x 1 mm 16 lead QFN package

-40°C to +85°C operating temperature range

MPR084

11 E6

IRQ

VDD

Implementations

VSS

•

Control Panels

Switch Replacements

Touch Pads

Typical Applications

•

Appliances

PC Peripherals

Access Controls

MP3 Players

Remote Controls

Mobile Phones

ATTN

IRQ

VDD

MPR084

VSS

SCL

ORDERING INFORMATION

SDA

Device Name Temperature Range

Case Number

Touch Pads

AD0

MPR084Q

1679

SOUNDER

(16-Lead QFN)

-40°C to +85°C

8-pads

Figure 1. Pin Connections

MPR084EJ

948F

(16-Lead TSSOP)

This document contains a product under development. Freescale Semiconductor reserves the right to change or

discontinue this product without notice.

Preliminary

12 3 4 5 6 7...39

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