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TLC374 Datasheet, PDF (12/28 Pages) Texas Instruments – LinCMOSE QUADRUPLE DIFFERENTIAL COMPARATORS | |||
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TLC374, TLC374Q, TLC374Y
LinCMOS QUADRUPLE DIFFERENTIAL COMPARATORS
SLCS118C â NOVEMBER 1983 â REVISED MARCH 1999
PRINCIPLES OF OPERATION
INPUT CURRENT
vs
INPUT VOLTAGEâ
8
TA = 25°C
7
6
5
4
3
2
1
0
VDD
VDD + 4
VDD + 8
VDD + 12
VI â Input Voltage â V
â The dashed line identifies an area of operation where some
degradation of parametric performance may be experienced.
Figure 5
VDD
INPUT CURRENT
vs
INPUT VOLTAGEâ
10
TA = 25°C
9
8
7
6
5
4
3
2
1
0
VDDâ 0.3
VDD â 0.5
VDD â 0.7
VDD â 0.9
VI â Input Voltage â V
â The dashed line identifies an area of operation where some
degradation of parametric performance may be experienced.
Figure 6
RL
VI
See Note A
VREF
RL
1/4
+ TLC374
â
Positive Voltage Input Current Limit:
+VI â VDD â 0.3 V
RI =
5 mA
Negative Voltage Input Current Limit:
âVI â VDD â (0.3 V)
RI =
5 mA
NOTE A: If the correct output state is required when the negative input exceeds VSS, a Schotty clamp is required.
Figure 7. Typical Input Current-Limiting Configuration for a LinCMOS Comparator
12
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