Datasheet
SLCS114E − NOVEMBER 1983 − REVISED JULY 2008
10
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
PRINCIPLES OF OPERATION
circuit-design considerations (continued)
Figure 5
V
DD
0
Input Current (mA)
Input Voltage (V)
8
1
2
3
4
5
6
7
V
DD
+ 4 V
DD
+ 8 V
DD
+ 12
T
A
= 25°C
INPUT CURRENT
vs
POSITIVE INPUT VOLTAGE
Figure 6
T
A
= 25°C
−0.9−0.7−0.5
Input Voltage (V)
0
−0.3
−1
−2
−3
−4
−5
−6
−7
−8
−9
−10
INPUT CURRENT
vs
NEGATIVE INPUT VOLTAGE
Input Current (mA)
−
+
V
ref
TLC372
R
L
V
DD
R
I
See Note A
V
I
Positive Voltage Input Current Limit:
Negative Voltage Input Current Limit:
R
I
=
+V
I
− V
DD
− 0.3 V
5 mA
R
I
=
| −V
I
| − 0.3 V
5 mA
NOTE A: If the correct output state is required when the negative input is less than GND, a schottky clamp is required.
Figure 7. Typical Input Current-Limiting Configuration for a LinCMOS Comparator