Magnetic field sensor with internal magnet ZMY20M package : SOT223S (4-Pin) 1: +VO 2: -VO 3: +VB 4: -VB VO - output voltage VB - supply voltage FEATURES * ZMY20M (SOT-223-S) is an extremely sensitive magnetic sensor with internal magnet * * * * * employing the magneto-resistive effect of thin film permalloy Package : SOT-223-S The ZMY20M is available on 12 mm tape - 7" reel 1.000 components/reel or 13" reel 4.000 components/reel Disturbing fields up to 30 kA/m are allowed Internal magnet for creating of the auxiliary field HX Magnetic fields vertical to the chip level are not effective ABSOLUTE MAXIMUM RATINGS Parameter Symbol Unit Supply voltage ZMY20M VB 12 V Total power dissipation Ptot 120 mW Operating temperature range Tamb -25 to +125 C Storage temperature range Tstg -25 to +125 C Page 9 ZMY20M ELECTRICAL CHARACTERISTICS (at Tamb = 25 C unless otherwise stated) Parameter Symbol Min. Typ. Max. Unit Rbr 1.2 1.7 2.2 k VO/VB 12 18 22 mV/V Auxiliary field HX - 1.5 - kA/m Disturbing field Hd - - 30 kA/m S 3.0 5.5 7.0 Hysteresis of output voltage VOH/VB - - 50 V/V Offset voltage Voff/VB -1.5 - +1.5 mV/V fmax 0 - 1 MHz Temperature coefficient of offset voltage TCVoff -3 - +3 (V/V)/K Tamb = -25...+125C Temperature coefficient of bridge resistance TCRbr - 0.3 - %/K Tamb = -25...+125C Temperature coefficient of open circuit sensitivity VB = 5 V TCSV - -0.25 - %/K Tamb = -25...+125C Temperature coefficient of open circuit sensitivity I B = 3 mA TCSI - 0.05 - %/K Tamb = -25...+125C Bridge resistance Output voltage range Open circuit sensitivity Operating frequency Devices are identified by type on the body of the device ZMY20M..... ZMY20M Ordering information : ZMY20MTA ..... 7" reel 1,000 components per reel ZMY20MTC ..... 13" reel 4,000 components per reel Page 10 Test conditions (mV/V)/(kA/m) no disturbing field Hd allowed VB = const. Hy 2 kA/m PRODUCT AND INFORMATION DISCLAIMER 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 purposes or form part of any order or contract or be regarded as 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. Some changes to earlier published data may have been made, data presented in this hand book supersedes all previous specifications. The information contained in this publication has been carefully checked and is considered to be accurate, but no responsibility is assumed for any inaccuracies. Zetex makes no warranty, representation or guarantee regarding the suitability of the products and circuits in this publication for any given purpose; nor does Zetex assume any liability arising from the use or application of any of these products or circuits and specifically disclaims any and all consequential and incidental damages. Zetex products are specifically not authorised for use as critical components in life support devices or systems without the express written approval of the Managing Director of Zetex plc. As used herein a. Life support devices or systems are devices or systems which (1) are intended to implant into the body, or (2) support or sustain life and whose failure to perform when properly used in accordance with instructions for use provided in the labelling can be reasonably expected to result in significant injury to the user. b. A critical component is any component in a life support device or system whose failure to perform can be reasonably expected to cause the failure of the life support device or to affect its safety or effectiveness. E. & O. E. "all rights reserved" (c) Zetex plc 2002 Americas Asia Pacific Zetex GmbH Streitfeldstrae 19 D-81673 Munchen Zetex Inc 700 Veterans Memorial Hwy Hauppauge, NY11788 Germany Telefon: (49) 89 45 49 49 0 Fax: (49) 89 45 49 49 49 europe.sales@zetex.com USA Telephone: (631) 360 2222 Fax: (631) 360 8222 usa.sales@zetex.com 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 Europe Zetex plc Fields New Road Chadderton Oldham, OL9 8NP United Kingdom Telephone (44) 161 622 4422 Fax: (44) 161 622 4420 uk.sales@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