LC717A30UJ Datasheet (ON Semiconductor) - Capacitance-Digital-Converter LSI

LC717A30UJ, Capacitance-Digital-Converter LSI

Power supply (+2.6 V to +5.5 V) (Note 1) Ground (Notes 1, 2) Connect to Ground Sensor inputs.

Cin0 to Cin7 are connected to the inverting input of the 1st amplifier through the multiplexer.

All unused input pins must remain open.

Cdrv and Cin printed circuit board patterns should be close to each ot

LC717A30UJ Capacitance‐Digital‐Converter LSI for Electrostatic Capacitive Touch Sensors The LC717A30UJ is a high performance, low cost, and highly usable capacitance converter for electrostatic capacitive touch and proximity sensors.

8 capacitance-sensing input channels ideal for use in any end products that needs an array of switches.

The LC717A30UJ facilitates a short system development time through its automatic calibration function and minimal external components.

The detection result (ON/

LC717A30UJ Features

* Differential Capacitive Detection Using Mutual Capacitance

* Operates with Small to Large Capacitance Sensor Input Pads

* Capacitance Detection Down to Femto-Farad Level

* Measurement Time 16 ms for 8 Sensors

* Minimal External Components

* Selectabl