CAP1133-1-AIA-TR Standard Microsystems, CAP1133-1-AIA-TR Datasheet

CAP1133-1-AIA-TR

Manufacturer Part Number

CAP1133-1-AIA-TR

Description

DFNE 10/ 3 CHANNEL CAPACITIVE TOUCH SENSOR WITH 3 LED DRIVERS

Manufacturer

Standard Microsystems

Datasheet

1.CAP1133-1-AIA-TR.pdf (4 pages)

Specifications of CAP1133-1-AIA-TR

Pack_quantity

4000

Comm_code

85423990

Lead_time

119

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3 Channel Capacitive Touch Sensor with 3 LED Drivers

PRODUCT FEATURES

General Description

The CAP1133, which incorporates SMSC’s RightTouch

technology, is a multiple channel Capacitive Touch sensor

with multiple power LED drivers. It contains three (3)

i n d i v i d u a l c a p a c i t i v e t o u c h s e n s o r i n p u t s w i t h

programmable sensitivity for use in touch sensor

applications. Each sensor input automatically recalibrates

to compensate for gradual environmental changes.

The CAP1133 also contains three (3) LED drivers that offer

full-on / off, variable rate blinking, dimness controls, and

breathing. Each of the LED drivers may be linked to one of

the sensor inputs to be actuated when a touch is detected.

As well, each LED driver may be individually controlled via

a host controller.

The CAP1133 includes Multiple Pattern Touch recognition

that allows the user to select a specific set of buttons to be

touched simultaneously. If this pattern is detected, then a

status bit is set and an interrupt generated.

Additionally, the CAP1133 includes circuitry and support for

enhanced sensor proximity detection.

The CAP1133 offers multiple power states operating at low

quiescent currents. In the Standby state of operation, one

or more capacitive touch sensor inputs are active and all

LEDs may be used.

Deep Sleep is the lowest power state available, drawing

5uA (typical) of current. In this state, no sensor inputs are

active. Communications will wake the device.

1. SMSC and the SMSC logo are registered trademarks and SMSC

SMSC CAP1133

RightTouch and the RightTouch logo are trademarks of Standard

Microsystems Corporation ("SMSC").

LED Driver, Breathe, and

LED1

Dimness control

LED2

LED3

PRODUCT PREVIEW

Capacitive Touch Sensing

CS1

Block Diagram

Algorithm

VDD

CS2

Applications

Features

GND

CS3

Desktop and Notebook PCs

LCD Monitors

Consumer Electronics

Appliances

Three (3) Capacitive Touch Sensor Inputs

Proximity Detection

Multiple Button Pattern Detection

Calibrates for Parasitic Capacitance

Analog Filtering for System Noise Sources

Press and Hold feature for Volume-like Applications

SMBus / I

Low Power Operation

Three (3) LED Driver Outputs

Available in 10-pin 3mm x 3mm RoHS compliant DFN

— Programmable sensitivity

— Automatic recalibration

— Individual thresholds for each button

— 5uA quiescent current in Deep Sleep

— 50uA quiescent current in Standby (1 sensor input

— Samples one or more channels in Standby

— Open Drain or Push-Pull

— Programmable blink, breathe, and dimness controls

— Can be linked to Capacitive Touch Sensor inputs

package

CAP1133

monitored)

C Compliant Communication Interface

Protocol

SMBus

Slave

SMCLK

SMDATA

ALERT#

Revision 1.2 (02-10-11)

Data Brief

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