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| AC LINE MONITOR LOGIC-OUT DEVICE MID400 DESCRIPTION The MID400 is an optically isolated AC line-to-logic interface device. It is packaged in an 8-lead plastic DIP. The AC line voltage is monitored by two back-to-back GaAs LED diodes in series with an external resistor. A high gain detector circuit senses the LED current and drives the output gate to a logic low condition. The MID400 has been designed solely for the use as an AC line monitor. It is recommended for use in any AC-to-DC control application where excellent optical isolation, solid state reliability, TTL compatibility, small size, low power, and low frequency operations are required. Package Dimensions PIN 1 ID. 4 3 2 1 0.270 (6.86) 0.250 (6.35) 5 6 7 8 0.390 (9.91) 0.370 (9.40) SEATING PLANE 0.070 (1.78) 0.045 (1.14) 0.200 (5.08) 0.115 (2.92) 0.020 (0.51) MIN 0.154 (3.90) 0.120 (3.05) 0.022 (0.56) 0.016 (0.41) FEATURES * Direct operation from any line voltage with the use of an external resistor. * Externally adjustable time delay * Externally adjustable AC voltage sensing level * High voltage isolation between input and output * Compact plastic DIP package * Logic level compatibility * UL recognized (File #E90700) 15 MAX 0.016 (0.40) 0.008 (0.20) 0.100 (2.54) TYP 0.300 (7.62) TYP 1 8 VCC APPLICATIONS * Monitoring of the AC / DC "line-down" condition * "Closed-loop" interface between electromechanical elements such as solenoids, relay contacts, small motors, and microprocessors * Time delay isolation switch 8 1 N/C 2 7 AUX 3 6 V0 N/C 4 5 GND Equivalent Circuit ABSOLUTE MAXIMUM RATINGS Rating EMITTER RMS Current DC Current LED Power Dissipation @ TA = 25C (PD) Derate above 70C DETECTOR Low Level Output Current (IOL) High Level Output Voltage(VOH) Supply Voltage (VCC) Detector Power Dissipation @ TA = 25C (PD) Derate above 70C TOTAL DEVICE Storage Temperature Operating Temperature Lead Solder Temperature Total Device Power Dissipation @ TA = 25C (PD) Derate above 70C Surge Isolation Steady State Isolation Value 25 30 45 2.0 20 7.0 7.0 70 2.0 -55 to +125 -40 to +85 260 for 10 sec 115 4.0 3550 2500 3200 2250 Unit mA A mW mW/C mA V V mW mW/C C C C mW mW/C VDC V RMS VDC V RMS |
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