DATA SHEET MR Sensor MRSS22L-E Micro power Built-in IC ultra-minimum MR sensor FEATURES *Micro power (15µW(typ):Vcc=3V) 1.Dimension (Unit : mm) and High-sensitivity(2mT(typ)) (suited for battery-operation) 0.4 +0.1 -0.05 *Ultra-small size +0.15 -0.1 0.6 MR(Magneto-resistance)sensor +0.2 -0.1 0∼0.1 1.6 *Operating with independent pole Ｇnd 2.8 ±0.2 *Operating in one way magnetic field 0.16 +0.1 -0.06 Ｖcc (easily manufacture) Ｏut *Superior Temperature stability 0.95 *Lead free goods 0.95 0.8 ±0.1 1.1 ±0.1 2.9 ±0.2 2.Fundamental Operation 2-1.Direction of Magnetic Field 2-2.Circuit Block Ｖｃｃ SWITCH Ｒ1 Ｒ2 SAMPLING LOGIC LATCH Op-Amp Ｒ3 ＯＵＴ MOS Operation Ｒ4 ＧＮＤ R1 ∼R4 ：MR Elements 2-3.Performance Characteristics (25±3˚C) When power switch is ON When magnetic field is applied When magnetic field is applied 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 DATA SHEET MR Sensor MRSS22L-E 3.Performance 3-1.Operating Conditions Recommended (Ta = 25± 3ºC unless otherwise specified) Item Output Condition Min Std Max Unit Supply Voltage - - 2.5 3.0 3.7 V Supply Current - Vcc=3V - 5 - µA Ambient Temperature - - -20 25 80 ºC 2.7 - - V - - 0.3 V Hi-level output Hon - 2.0 (1.6) 2.5 (2.0) mT(*1 Lo-level output Hoff 0.5 (0.4) VOH Output Voltage VOL Operating Magnetic Field Vcc=3V Iout=2mA VCC=3V Iout=-2mA (kA/m) *1) *2) (*2 1 [mT] (SI) = 10 [G] (CGS) ( ) = [kA/m](SI) 3-2.Absolute Maximum Ratings (Ta = 25±3ºC unless otherwise specified) Item Condition Specifications Unit Supply Voltage - 5.0 V Storage Temperature - -40 ~ 125 ºC The products and product specifications described in this material are subject to change without notice for reasons of modification or improvement. DATA SHEET MR Sensor MRSS22L-E 4. Recommended Mount Pad 2.4 1.0 0.8 0.95 0.95 1.9 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 © 2005 NEC Corporation