EM3242

[EM3242] Applications □ Small absolute rotary encoder □ Small input device (mode selector, volume control, and soon) □ Potentiometer □ Rotary switch EM3242 Angle Sensor IC Features □ Si monolithic rotary position sensor IC with embedded Hall devices □ Contactless rotary position sensor is easily implemented with magnetic disc (radial magnetic) and sensor IC. □ Analog ratiometric output (10%VDD～90%VDD) □ 10 bit Angular Resolution □ 3V single power supply □ Extremely small temperature drift (typ. +/-1.0 degree) □ Ambient operating temperature range: Ta=-40 to 150ºC □ Package: SOP6 body size 3.6×3.0×0.95mm HE X HE HE Y HE Preamp Block Diagram VDD VSS Angle detection (Mixed signal processing circuit) 10bit DAC Buffer Sine wave ROM AOUT TSTA TSTB PDN －1－ April, 2013 [EM3242] Block name HE PreAmp Angle Detection & Sine Wave ROM DAC Functional Blocks Function Hall Elements. These detect X/Y-compositions of flux which is parallel to the IC package surface by using magnetic concentrator. This is able to amplify signals from Hall elements. Angle Detection makes digital angle data from signals from Hall Elements using Sine Wave ROM. Digital to analog converter for angle output. No. Symbol 1 TSTB 2 VSS 3 PDN 4 AOUT 5 VDD 6 TSTA PIN Description I/O Type Function I/O Analog/Digital TEST dedicated PIN, which should be connected to the GND in use. - Power Ground PIN. I Analog Power down PIN. IC is active in the case that PDN is High. ...