New Product DATA SHEET MR Sensor MRUS51S Micro power Built-in IC ultra-minimum MR sensor 1.FEATURES High-sensitivity (1.5mT(typ.) ) & Ultra-minimum Size & Low source supply *Micro power (6µW(typ):Vcc=1.8V) 1.Dimension (Unit:mm) (suited for battery-operation) *Ultra-small size MR(Magneto-resistance)sensor z Volume and mounting area are 70% smaller than MRSS22L. * Height is about 50 % lower than MRSS22L. *Operating in one way magnetic field 1.2 1.45 Gnd Out Vcc *Operating with independent pole (easily manufacture) *Superior Temperature stability 1.4 Max0.55 *Lead free goods 2.Fundamental Operation 2-1.Direction of Magnetic Field 2-2.Circuit Block Ｖｃｃ Ｒ1 Ｒ2 SAMPLING LOGIC LATCH Op-Amp Ｒ3 C-MOS ＯＵＴ Operation Ｒ4 SWITCH ＧＮＤ R1 ∼R4 ：MR Elements 2-3.Performance Characteristics (25+3 ˚C) Operating require Condition Output Voltage When power switch is ON H = 0 mT (Magnetic Flux Density) Hi-level When magnetic field is applied H ≧2.2 mT (Magnetic Flux Density) Lo-level When magnetic field is applied H ≦0.5 mT (Magnetic Flux Density) Hi-level New Product DATA SHEET MR Sensor MRUS51S 3.Performance 3-1.Operating Conditions Recommended (Ta = 25+3 ˚C unless otherwise specified) Item Output Condition Min Std Max Unit Supply Voltage - - 1.6 1.8 3.5 V Supply Current - Vcc=1.8V - 3 - µA Ambient Temperature - - -40 25 85 ºC 1.6 - - V - - 0.2 V 25+3˚C - 1.5 (1.4) 2.2 (1.8) 25+3˚C 0.5 (0.4) - - VOH Output Voltage VOL Operating Magnetic Field Hi-level output Hon Lo-level output Hoff Vcc=1.8V Iout=1mA VCC=1.8V Iout=-1mA *1) mT(*1 (kA/m) 1 [mT](SI) = 10 [G] (CGS) 3-2.Absolute Maximum Ratings (Ta = 25+3 C˚ unless otherwise specified) Item Condition Specifications Unit Supply Voltage - 6.0 V Storage Temperature - -40 ~ +125 ˚C The products and product specifications described in this material are subject to change without notice for reasons of modification or improvement. New Product DATA SHEET MR Sensor MRUS51S 3-3. Recommended mounting Pad 1.3 0.5 0.5 0.45 0.45 Unit(mm) The products and product specifications described in this material are subject to change without notice for reasons of modification or improvement. 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