Current Sensor ZMC20 Issue 2 - July 2006 package : modified DIL-14 1, 2, 7: not connected 3: +VO 4: -VB 5: -VO 6: +VB 8, 9, 10: current output 11, 12, 13: current input VO - output voltage VB - supply voltage FEATURES • Package : mod. DIL-14 • A magnetic sensor chip (employing the magnetoresistive effect of thin film permalloy) measures the magnetic field generated by an internal current-carrying conductor • measurable direct or alternating current IM up to 20A • supply voltage 12 V • no auxiliary field HX required • it’s possible to overload the conductor (between pin’s 8,9,10 and 11,12,13) with 300A for 10 ms at Tamb = 20 °C Issue 2 - July 2006 © Zetex Semiconductors plc 2006 www.zetex.com ZMC 20 ABSOLUTE MAXIMUM RATINGS Parameter Symbol Unit Supply voltage VB 12 V Isolation voltage VISOL 2 kV Measurable current IM 20 A Operating temperature range Tamb -40 to +120 °C Storage temperature range Tstg -65 to +120 °C ELECTRICAL CHARACTERISTICS (at Tamb = 25 °C unless otherwise stated) Parameter Symbol Min. Typ. Max. Unit Bridge resistance Rbr 1.2 1.7 2.2 kΩ Offset voltage VOff - - ±2 mV/V Open circuit sensitivity S - 0.25 - (mV/V)/A Resistance of the conductor R - 0.7 - mΩ Operating frequency fmax - - 100 kHz Temperature coefficient of open circuit sensitivity TC - - -0.3 %/K Test conditions Devices are identified by type on the body of the device ZMC20 ..... ZMC20 Ordering information: ZMC20 ........... in boxes (10 components per box) Europe Americas Asia Pacific Corporate Headquarters Zetex GmbH Streitfeldstraße 19 D-81673 München Germany Zetex Inc 700 Veterans Memorial Highway Hauppauge, NY 11788 USA Zetex (Asia Ltd) 3701-04 Metroplaza Tower 1 Hing Fong Road, Kwai Fong Hong Kong Zetex Semiconductors plc Zetex Technology Park, Chadderton Oldham, OL9 9LL United Kingdom Telefon: (49) 89 45 49 49 0 Fax: (49) 89 45 49 49 49 [email protected] Telephone: (1) 631 360 2222 Fax: (1) 631 360 8222 [email protected] Telephone: (852) 26100 611 Fax: (852) 24250 494 [email protected] Telephone: (44) 161 622 4444 Fax: (44) 161 622 4446 [email protected] For international sales offices visit www.zetex.com/offices Zetex products are distributed worldwide. For details, see www.zetex.com/salesnetwork 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 contact 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. Issue 2 - July 2006 © Zetex Semiconductors plc 2006 www.zetex.com