AT42QT1245-MU

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Manufacturer part number:AT42QT1245-MU

Manufacturer:Microchip Technology

Description:0.5mm Capacitive Sensor QMatrix™ Series AT42QT1245 32-VFQFN Exposed Pad

Case Package:SOT-23

Datasheet:AT42QT1245-MU Datasheet

RoHs Status:non-compliant

Name	Value
Type	Parameter
Factory Lead Time	4 Weeks
Mount	Surface Mount
Mounting Type	Surface Mount
Package / Case	32-VFQFN Exposed Pad
Operating Temperature	-40°C~105°C
Packaging	Tray
Published	2009
Series	QMatrix™
JESD-609 Code	e3
Pbfree Code	yes
Part Status	Active
Moisture Sensitivity Level (MSL)	3 (168 Hours)
Number of Terminations	32
Type	Buttons
Terminal Finish	Matte Tin (Sn)
Voltage - Supply	3V~5V
Terminal Position	QUAD
Number of Functions	1
Terminal Pitch	0.5mm
Base Part Number	AT42QT1245
JESD-30 Code	S-XQCC-N32
Supply Voltage-Max (Vsup)	5V
Supply Voltage-Min (Vsup)	3V
Interface	SPI
Operating Supply Current	6.6mA
Number of Inputs	Up to 24
Resolution	10 b
Proximity Detection	No
Height Seated (Max)	1mm
Length	5mm
Width	5mm
RoHS Status	ROHS3 Compliant

Quantity	Unit Price	Ext. Price
1	$1.41000	$1.41
500	$1.3959	$697.95
1000	$1.3818	$1381.8
1500	$1.3677	$2051.55
2000	$1.3536	$2707.2
2500	$1.3395	$3348.75

AT42QT1245-MU Description

The AT42QT1245-MU is a digital burst mode charge-transfer (QT™) sensor, designed specifically for matrix layout touch controls. It includes all signal processing functions necessary to provide stable sensing under a wide variety of changing conditions. Only a few external parts are required for operation.

AT42QT1245-MU Features

8 mm or wider, centre to centre (panel thickness dependent)
Two-part electrode shapes (drive-receive); wide variety of possible layouts
One layer (with jumpers), two layers (no jumpers)
PCB, FPCB, silver or carbon on film, ITO on film
Plastic, glass, composites, painted surfaces (low particle density metallic paints possible)
Individually settable via simple commands over the communication interface