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AU2901 Datasheet(PDF) 3 Page - NXP Semiconductors |
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AU2901 Datasheet(HTML) 3 Page - NXP Semiconductors |
3 / 10 page Philips Semiconductors Product data AU2901 Quad voltage comparator 2001 Aug 03 3 ABSOLUTE MAXIMUM RATINGS SYMBOL PARAMETER RATING UNIT VCC VCC supply voltage 36 or ±18 VDC VDIFF Differential input voltage 36 VDC VIN Input voltage –0.3 to +36 VDC PDMAX Maximum power dissipation, Tamb = 25 °C (still-air) 1 N package 1420 mW D package 1040 mW Output short-circuit to ground 2 Continuous IIN Input current (VIN < –0.3 VDC) 3 50 mA Tamb Operating temperature range –40 to +125 °C Tstg Storage temperature range –65 to +150 °C Tsld Lead soldering temperature (10 sec max) 230 °C NOTES: 1. Derate above 25 °C, at the following rates: N Package at 11.4 mW/ °C D Package at 8.3 mW/ °C 2. Short circuits from the output to V+ can cause excessive heating and eventual destruction. The maximum output current is approximately 20 mA independent of the magnitude of V+. 3. This input current will only exist when the voltage at any of the input leads is driven negative. It is due to the collector-base junction of the input PNP transistors becoming forward biased and thereby acting as input diode clamps. In addition to this diode action, there is also lateral NPN parasitic transistor action on the IC chip. This transistor action can cause the output voltages of the comparators to go to the V+ voltage level (or to ground for a large overdrive) for the time duration that an input is driven negative. This is not destructive and normal output states will reestablish when the input voltage, which was negative, again returns to a value greater than –0.3 VDC. |
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