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| ZMY20M MAGNETIC FIELD SENSOR WITH INTERNAL MAGNET DESCRIPTION The ZMY20M is an extremely sensitive magnetic sensor employing the magneto-resistive effect of thin film permalloy. It allows the measurement of magnetic fields or the detection of magnetic parts. The highly sensitive and small size magnetoresistive sensors consist of chip covered with thin film permalloy stripes. These stripes form a Wheatstone bridge, whose output voltage is proportional to the magnetic field component Hy. The required perpendicular field Hx which is necessary to stabilize sensor operation, is created by an internal permanent magnet. FEATURES * Package: SOT223 * Supply voltage 12V * Internal magnet for creation of auxiliary field Hx * Available on 12mm tape APPLICATIONS * Linear position measurement * Angular position measurement * Navigation (electronic compass) * Revolution measurement ORDERING INFORMATION DEVICE REEL SIZE 7" 13" TAPE WIDTH 12mm 12mm QUANTITY PER REEL 1,000 4,000 ZMY20MTA ZMY20MTC DEVICE MARKING * ZMY20M ISSUE 2 - JANUARY 2004 1 SEMICONDUCTORS ZMY20M ABSOLUTE MAXIMUM RATINGS PARAMETER Supply voltage Total power dissipation Operating temperature range Storage temperature range SYMBOL VB P TOT T amb T stg LIMIT 12 120 -25 to +125 -25 to +125 UNIT V mW C C ELECTRICAL CHARACTERISTICS (at Tamb = 25C unless otherwise stated) PARAMETER Bridge resistance Output voltage range Auxiliary field Disturbing field Open circuit sensitivity SYMBOL R br V O /V B Hx Hd S MIN. 1.2 12 3.0 TYP. 1.7 18 2 5.5 MAX. 2.2 24 30 7.0 UNIT k mV/V kA/m kA/m (mV/V)/ No disturbing field (kA/m) H d allowed V B = const. V/V mV/V MHz ( V/V)/K T amb = -25 to +125C %/K %/K T amb = -25 to +125C T amb = -25 to +125C Hy 2kA/m CONDITIONS Hysteresis of output voltage Offset voltage Operating frequency Temperature coefficient of offset voltages Temperature coefficient of bridge resistance Temperature coefficient of open circuit sensitivity V B = 5V Temperature coefficient of open circuit sensitivity I B = 3mA V OH /V B V off /V B f max TCV off TCR br TCS V -1.5 0 -3 0.25 -0.25 0.3 -0.3 50 +1.5 1 +3 0.35 -0.35 TCS I - 0.05 - %/K T amb = -25 to +125C ISSUE 2 - JANUARY 2004 SEMICONDUCTORS 2 ZMY20M ISSUE 2 - JANUARY 2004 3 SEMICONDUCTORS ZMY20M PACKAGE OUTLINE Controlling dimensions are in millimeters. Approximate conversions are given in inches PACKAGE DIMENSIONS Millimeters DIM Min A A1 b b2 C D 0.02 0.66 2.90 0.23 6.30 Max 1.80 0.10 0.84 3.10 0.33 6.70 Min 0.0008 0.026 0.114 0.009 0.248 Max 0.071 0.004 0.033 0.122 0.013 0.264 e e1 E E1 L Inches DIM Min Max Min Max 2.30 BSC 4.60 BSC 6.70 3.30 0.90 7.30 3.70 0.0905 BSC 0.181 BSC 0.264 0.130 0.355 0.287 0.146 Millimeters Inches (c) Zetex plc 2003 Europe Zetex GmbH Streitfeldstrae 19 D-81673 Munchen Germany Telefon: (49) 89 45 49 49 0 Fax: (49) 89 45 49 49 49 europe.sales@zetex.com Americas Zetex Inc 700 Veterans Memorial Hwy Hauppauge, NY 11788 USA Telephone: (1) 631 360 2222 Fax: (1) 631 360 8222 usa.sales@zetex.com Asia Pacific Zetex (Asia) Ltd 3701-04 Metroplaza Tower 1 Hing Fong Road, Kwai Fong Hong Kong Telephone: (852) 26100 611 Fax: (852) 24250 494 asia.sales@zetex.com Corporate Headquaters Zetex plc Fields New Road, Chadderton Oldham, OL9 8NP United Kingdom Telephone (44) 161 622 4444 Fax: (44) 161 622 4446 hq@zetex.com These offices are supported by agents and distributors in major countries world-wide. This publication is issued to provide outline information only which (unless agreed by the Company in writing) may not be used, applied or reproduced for any purpose or form part of any order or contract or be regarded as a representation relating to the products or services concerned. The Company reserves the right to alter without notice the specification, design, price or conditions of supply of any product or service. For the latest product information, log on to www.zetex.com ISSUE 2 - JANUARY 2004 SEMICONDUCTORS 4 |
Price & Availability of ZMY20MTA
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