TLC3702 Datasheet, PDF (9/26 Pages) Texas Instruments – DUAL MICROPOWER LinCMOSE VOLTAGE COMPARATORS

TLC3702
DUAL MICROPOWER LinCMOS™ VOLTAGE COMPARATORS
SLCS013D – NOVEMBER 1986 – REVISED NOVEMBER 1998
PRINCIPLES OF OPERATION
circuit-design considerations (continued)
INPUT CURRENT
vs
INPUT VOLTAGE
8
TA = 25° C
7
6
5
4
3
2
1
0
VDD
VDD + 4
VDD + 8
VDD + 12
VI – Input Voltage – V
Figure 2
VDD
INPUT CURRENT
vs
INPUT VOLTAGE
10
TA = 25° C
9
8
7
6
5
4
3
2
1
0
VDD – 0.3
VDD – 0.5 VDD – 0.7 VDD – 0.9
VI – Input Voltage – V
Figure 3
RI
VI
Vref
See Note A
+
1/2
TLC3702
–
Positive Voltage Input Current Limit :
+ ^{* *} R_I
V_I V_DD 0.3 V
5 mA
Negative Voltage Input Current Limit :
+ ^{* * * *} R_I
V_I V_DD ( 0.3 V)
5 mA
NOTE A: If the correct input state is required when the negative input exceeds GND, a Schottky clamp is required.
Figure 4. Typical Input Current-Limiting Configuration for a LinCMOS™ Comparator
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