Click to expand full text
DATA SHEET
MR Sensor
MRSS23E
Low voltage operating type Built-in IC ultra-minimum MR sensor
• Ÿ FEATURES
• E Micro power (6µW(typ):Vcc=1.8V) and High-sensitivity(1.7mT(typ)) (suited for battery-operation) •E Operating ambient temperature range (-40ºC to + 85ºC)
• } 0 .2
1.Dimension (Unit : mm)
0.4
+0.1 -0.05
0.16
+0.15 -0.1
+0.1 -0.06
0.6 ‚ f nd
+0.2 -0.1
•E Operating in one way magnetic field •E Operating with independent pole (easily manufacture) • E Lead free products
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
‚u‚ƒ‚ƒ ‚q1 ‚q2
SAMPLING LOGIC
LATCH
C-MOS
Operation
‚n‚t‚s
Op-A mp ‚q3 ‚q4
SWITCH R1• ` R 4 • F MR Elements
‚f‚m‚c
2-3.