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| DM-106B Magnetoresistance Element For the availability of this product, please contact the sales office. Description The DM-106B is a highly sensitive magnetoresistance element composed of an evaporated ferromagnetic alloy on a silicon substrate. (The element can be used for automatic shut off of tape recorders, as a contactless switch, and as a general detector of rotational motion.) Features * Low power consumption M-110 (Plastic) 11 mW (Typ.) VCC=5 V * Low magnetic field and high sensitivity 80 mVp-p (Typ.) VCC=5 V H=8000 A/m * High reliability Ensured through silicon Nitride protective filming Structure Thin-film nickel-cobalt magnetic alloy on silicon substrate Absolute Maximum Ratings (Ta=25 C) * Supply voltage VCC 10 * Operating temperature Topr -40 to +100 * Storage temperature Tstg -50 to +125 Recommended Operating Supply voltage 5 V C C V Electrical Characteristics Item Total resistance Midpoint potential Output voltage Symbol RT VC VO Condition VCC=5 V , H=8000 A/m Revoiving magnetic field VCC=5 V , H=8000 A/m Revoiving magnetic field VCC=5 V , H=8000 A/m Revoiving magnetic field Min. 1.4 2.45 60 Typ. 2.3 2.50 80 (Ta=25 C) Max. 3.7 2.55 Unit k V mVp-p Sony reserves the right to change products and specifications without prior notice. This information does not convey any license by any implication or otherwise under any patents or other right. Application circuits shown, if any, are typical examples illustrating the operation of the devices. Sony cannot assume responsibility for any problems arising out of the use of these circuits. --1-- E60142D5X-TE DM-106B Equivalent Circuit H RA RB RA max RB min RA : Resistance reduces as the magnetic field revolves. RB : Resistance increases as the magnetic field revolves. 1 2 3 1 2 3 Introduction 1. Power supplying pin output pin 106 B 321 RA RB 1 2 VCC 3 2. Sensitive direction vs. Midpoint potential c b a Midpoint potential a e Sensitive e d Direction of Magnetic-flux Incidence Non-sensitive VCC 2 HS H b d Direction of Magnetic-flux Incidence c Useful Region Changes occur to the output voltage at the saturation region of V-H curve according to the direction of magnetic flux. These changes provide for the operation. * With one rotation of magnetic flux, signals for 2 periods are obtained. --2-- DM-106B Applications 1. Detection of revolution N S S N N S NS SN S N 2. Position detecting Circuits S N VCC r1 r2 Differenntial Amplifier 3. Bridge Circuits 106 B Output 106 B By coupling 2 pieces back to back and sticking them together in a gridge, the output voltage is doubled. Notes on Application * Execute the solder to the lead line within 10 seconds at a temperature below 260 * To Fix the ELEMENTS : When glue is used, DO NOT apply mechanical stress to the elements. --3-- DM-106B Midpoint potential vs. Magnetic field intensity 2.55 VCC=5V Midpoint potential vs. Direction of magnetic-flux incidence 2.55 2.54 2.53 1. VCC=5V H=12000A/m 2. Output 3. GND 2.53 VC-Midpoint potential (V) GND VCC 2.54 106B VC-Midpoint potential (V) 2.52 2.51 2.50 2.52 2.51 2.50 2.49 2.48 106B 2.47 2.46 321 45 90 H 2.48 2.47 2.46 2.45 0 4000 8000 12000 GND VCC 2.49 106B 16000 2.45 0 135 180 225 H-Revolving magnetic field intensity (A/m) -Direction of magnetic-flux incidence (deg) Output voltage vs. Magnetic field intensity 100 VCC=5V Total resistance, output voltage vs. Temperature VO-Output voltage (mVp-p) VO-Output voltage (mVp-p) 80 120 110 100 90 80 70 60 RT 2.5 40 2.0 VO 20 60 50 1.5 0 4000 8000 12000 16000 --50 --25 0 25 50 75 100 125 150 0 H-Revolving magnetic field intensity (A/m) Ta-Ambient temperature (C) Derating Curve 5 4 VCC=10V IIN-Input current (mA) 3 2 1 0 --40 0 40 80 120 160 Ta-Ambient temperature (C) --4-- RT-Total Resistance (k) H=8000A/m (Revolving magnetic field) VCC=5V 3.0 DM-106B Package Outline Unit : mm M-110 4.0 0.2 0.4 0.7 0.5 0.5 0.8 0.6 0.4 0.8 1.8 1.27 1.27 0.25 0.1 SONY CODE EIAJ CODE JEDEC CODE M-110 1.2 0.1 2.0 0.2 PACKAGE WEIGHT 0.09g --5-- 12 MIN 3.0 0.2 |
Price & Availability of DM-106B
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