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LM2903 Datasheet(PDF) 2 Page - NXP Semiconductors |
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LM2903 Datasheet(HTML) 2 Page - NXP Semiconductors |
2 / 6 page Philips Semiconductors Product specification LM193/A/293/A/393/A/2903 Low power dual voltage comparator 1995 Nov 27 2 ABSOLUTE MAXIMUM RATINGS SYMBOL PARAMETER RATING UNIT VCC Supply voltage 36 or ±18 VDC Differential input voltage 36 VDC VIN Input voltage -0.3 to +36 VDC PD Maximum power dissipation, TA=25°C (still-air)1 F package N package D package 780 1160 780 mW mW mW Output short-circuit to ground2 Continuous IIN Input current (VIN<-0.3VDC)3 50 mA TA Operating temperature range LM193/193A LM293/293A LM393/393A LM2903 -55 to +125 -25 to +85 0 to +70 -40 to +125 °C °C °C °C TSTG Storage temperature range -65 to +150 °C TSOLD Lead soldering temperature (10sec max) 300 °C NOTES: 1. Derate above 25 °C, at the following rates: F package at 6.2mW/ °C N package at 9.3mW/ °C D package at 6.2mW/ °C 2. Short circuits from the output to V+ can cause excessive heating and eventual destruction. The maximum output current is approximately 20mA 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 re-establish when the input voltage, which was negative, again returns to a value greater than -0.3VDC. |
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