EM3242

EM3242 Datasheet

[EM3242]

Part	Datasheet
EM3242	EM3242 (pdf)

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[EM3242] Small absolute rotary encoder Small input device mode selector, volume control, and soon Potentiometer Rotary switch EM3242 Angle Sensor IC 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 bit Angular Resolution 3V single power supply Extremely small temperature drift typ. degree Ambient operating temperature range Ta=-40 to 150ºC Package SOP6 body size 3.6x3.0x0.95mm Preamp Block Diagram Angle detection Mixed signal processing circuit 10bit DAC Buffer Sine wave ROM AOUT TSTA TSTB <EM3242 Datasheet V1.2> April, 2013 [EM3242] Block name PreAmp Angle Detection & Sine Wave ROM 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 TSTB 4 AOUT TSTA PIN Description Type Function Analog/Digital TEST dedicated PIN, which should be connected to the GND in use. Power Ground PIN. Analog Power down PIN. IC is active in the case that PDN is High. IC is power down in the case that PDN is Low. Analog Analog output PIN for angle data. CL: Power Supply PIN. 0.1uF Ceramic Capacitor is required between Power Vss for stabilization. If Capacitor has magnetism, separate it

PDF Datasheet Preview

[EM3242]

Small absolute rotary encoder Small input device mode selector, volume control, and soon Potentiometer Rotary switch

EM3242

Angle Sensor IC

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 bit Angular Resolution 3V single power supply Extremely small temperature drift typ. degree Ambient operating temperature range Ta=-40 to 150ºC Package SOP6 body size 3.6x3.0x0.95mm

Preamp

Block Diagram

Angle detection Mixed signal processing circuit
10bit DAC

Buffer

Sine wave ROM

AOUT

TSTA TSTB
<EM3242 Datasheet V1.2>

April, 2013
[EM3242]

Block name

PreAmp Angle Detection
& Sine Wave ROM

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

TSTB
4 AOUT

TSTA

PIN Description

Type

Function

Analog/Digital

TEST dedicated PIN, which should be connected to the GND in use.

Power

Ground PIN.

Analog

Power down PIN. IC is active in the case that PDN is High. IC is power down in the case that PDN is Low.

Analog

Analog output PIN for angle data. CL:

Power Supply PIN. 0.1uF Ceramic Capacitor is required between

Power

Vss for stabilization. If Capacitor has magnetism, separate it

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Datasheet ID: EM3242 515954