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| Current Sensor ZMC20 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 Page 19 ZMC 20 ABSOLUTE MAXIMUM RATINGS Parameter Supply voltage Isolation voltage Measurable current Operating temperature range Storage temperature range Symbol VB VISOL IM Tamb Tstg 12 2 20 -40 to +120 -65 to +120 Unit V kV A C C ELECTRICAL CHARACTERISTICS (at Tamb = 25 C unless otherwise stated) Parameter Bridge resistance Offset voltage Open circuit sensitivity Resistance of the conductor Operating frequency Temperature coefficient of open circuit sensitivity Symbol Min. Typ. Max. Rbr VOff S R fmax TC 1.2 1.7 0.25 0.7 2.2 2 100 -0.3 Unit k mV/V (mV/V)/A m kHz %/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) Page 20 |
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