LP339M datasheet(3/11 Pages) NSC

3 / 11 page

Electrical Characteristics (Continued)

Note 9: Positive excursions of input voltage may exceed the power supply level. As long as the other voltage remains within the common-mode range, the compara-

tor will provide a proper output state. The low input voltage state must not be less than −0.3 VDC (or 0.3 VDC below the magnitude of the negative power supply, if

used) at TA=25˚C.

Note 10: At output switch point, VO=1.4V, RS=0Ω with V

+ from 5 V

DC; and over the full input common-mode range (0 VDC to V

+−1.5 V

DC).

Note 11: For input signals that exceed V+, only the overdriven comparator is affected. With a 5V supply, VIN should be limited to 25V maximum, and a limiting resistor

should be used on all inputs that might exceed the positive supply.

Note 12: The output sink current is a function of the output voltage. The LP339 has a bi-modal output section which allows it to sink large currents via a Darlington

connection at output voltages greater than approximately 1.5 VDC and sink lower currents below this point. (See typical characteristics section and applications sec-

tion).

Typical Performance Characteristics

Supply Current

DS005226-35

Input Current

DS005226-36

Output Sink Current

DS005226-37

Output Sink Current

DS005226-38

Response Times for

Various Input

Overdrives —

Negative Transition

DS005226-39

Response Times for

Various Input

Overdrives —

Positive Transition

DS005226-40

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