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−

+

Vref

TLC372

RL

VDD

RI

See Note A

VI

Positive Voltage Input Current LImit:

Negative Voltage Input Current LImit:

RI =

+VI − VDD − 0.3 V

5 mA

RI =

−VI − VDD − (−0.3 V)

5 mA

TLC372-EP

LinCMOS™ DUAL DIFFERENTIAL COMPARATORS

SGLS385 – MARCH 2007

PRINCIPLES OF OPERATION (continued)

A.

If the correct output state is required when the negative input exceeds VSS, a Schottky clamp is required.

Figure 7. Typical Input Current-Limiting Configuration for a LinCMOS™ Comparator

10

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