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| DATA SHEET MRSS22L-E Micro power Built-in IC ultra-minimum MR sensor FEATURES *Micro power (15W(typ):Vcc=3V) and High-sensitivity(2mT(typ)) (suited for battery-operation) *Ultra-small size 0.6 0.4 +0.1 -0.05 MR Sensor 1.Dimension (Unit : mm) 0.16 +0.15 -0.1 +0.1 -0.06 MR(Magneto-resistance)sensor * } 0 .2 +0.2 -0.1 f nd *Operating in one way magnetic field *Operating with independent pole (easily manufacture) *Superior Temperature stability *Lead free goods 2.8 1.6 0* 0 .1 u cc n ut 0.95 2.9 * } 0 .2 0.95 1.1 0.8 * } 0 .1 * } 0 .1 2.Fundamental Operation 2-1.Direction of Magnetic Field 2-2.Circuit Block SWITCH q1 q2 u SAMPLING LOGIC LATCH Op-Amp nts MOS Operation q3 q4 fmc R1 * R 4 * F MR Elements 2-3.Performance Characteristics (253C) Operating require Condition H = 0 mT (Magnetic Flux Density) [0 A/m (Magnetic Field Strength) ] H 2.0(Typ)mT (Magnetic Flux Density) [1.6kA/m (Magnetic Field Strength) ] H 0.5 mT (Magnetic Flux Density) [0.4kA/m (Magnetic Field Strength)] Output Voltage Hi-level Lo-level Hi-level When power switch is ON When magnetic field is applied When magnetic field is applied DATA SHEET MRSS22L-E MR Sensor 3.Performance 3-1.Operating Conditions Recommended (Ta = 25 3C unless otherwise specified) Item Supply Voltage Supply Current Ambient Temperature Output Voltage VOL Hi-level output Hon Lo-level output Hoff *1) *2) Output VOH Condition Vcc=3V Vcc=3V Iout=2mA VCC=3V Iout=-2mA Min 2.5 -20 2.7 - Std 3.0 5 25 2.0 (1.6) Max 3.7 80 0.3 2.5 (2.0) Unit V A C V V - mT(*1 (kA/m) (*2 Operating Magnetic Field 0.5 (0.4) 1 [mT] (SI) = 10 [G] (CGS) ( ) = [kA/m](SI) 3-2.Absolute Maximum Ratings (Ta = 253C unless otherwise specified) Item Supply Voltage Storage Temperature Condition Specifications 5.0 -40 ~ 125 Unit V C The products and product specifications described in this material are subject to change without notice for reasons of modification or improvement. DATA SHEET MRSS22L-E 4. Recommended Mount Pad MR Sensor 0.8 1.0 0.95 1.9 0.95 NEC Corporation Fiber Optic Device Division (Shin Tamachi Building) 34-6, Shiba 5-chome, Minato-ku, Tokyo 108-0014, Japan Tel:+81-3-3798-5864 Fax:+81-3-3798-5857 http://www.sw.nec.co.jp/on/dd/en/ EWV-19-0087-01E, Feb., 2005 Copyright (c) 2005 NEC Corporation 2.4 |
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