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Capacitive Switches

The MS888X-series are proximity sensors that make use of a patent from EDISEN Sensor Systeme GmbH & CO KG. A change in capacitance is detected by a digital algorithm that is auto-calibrating such that all stray capacitances are compensated. This results in a reliable proximity switch.

Applications

Medical
Automotive
Buildings & Sanitary
Mobile application
Hermetical or vandal proof switches
Intrinsic safety

General Features

Dynamic proximity switch
Digital processing method
Automatic calibration
Open-drain output (P-type MOSFET, external load between pin and ground)
Low-power battery operation possible
Adjustable response time
Adjustable sensitivity
Output configurable as push-button, toggle or pulse
Large voltage operating range
Internal voltage regulator
Large operating temperature range (-40°C to 85°C)
1- and 2-channel:
Configurable output
Large voltage operating range (V_HI = 3 to 9V)

8-channel:
Keypad, matrix and slider appplications up to 8x8 matrix (2 chips cascaded)
Unrivalled current consumption, typically 10uA
Fast-mode Plus (Fm+) I²C-Interface with interrupt generation
Sleep mode <100nA

Type	Description	Package	Delivery form	ArticleNr.	Data sheet	Application_note
1-channel	MS8883	SO8	Tape&Reel	916683	DB_MS8883 (657kB)	AH_MS8883 (268kB)
		CSP	Tape&Reel	916684

2-channel	MS8886	TSSOP16	Tape&Reel	9160008	DB_MS8886 (608kB)

8-channel	MS8885	TSSOP28	Tape&Reel	9160005	DB_MS8885 (953kB)
		CSP	Chip in Tray	9160037

Get an evaluation board to check out the capabilities of this great touch switch!

Evaluation board (1-channel)

Board instructions (3.5MB)

Evaluation board (2- and 8-channel)

Board instructions (709kB)

Schematics Demo Board (102kB)

For samples, quotations, evaluation boards or other requests, please send enquiry to:

info@microdul.com