AP393 Diodes, Inc., AP393 Datasheet - Page 5

• Manufacturer Part Number: AP393
• Description: Low Power Low Offset Voltage Dual Comparators
• Manufacturer: Diodes, Inc.

Electrical Characteristics
Notes:
AP393 Rev. 5
Symbol
V
I
I
OFFSET
O(Leak)
OFFSET
V
I
BIAS
SAT
10. The response time specified is for a 100mV input step with 5mV overdrive. For larger overdrive signals 300ns can be
11. Positive excursions of input voltage may exceed the power supply level. As long as the other voltage remains within the
12. At output switch point, V
13. Refer to RETS193AX for AP393 military specifications.
4. For operating at high temperatures, the AP393 must be derated based on a 125°C maximum junction temperature and a
5. Short circuits from the output to V
6. This input current will only exist when the voltage at any of the input leads is driven negative. It is due to the collector-base
7. The AP393 temperature specifications are limited to 0°C < T
8. The direction of the input current is out of the IC due to the PNP input stage. This current is essentially constant, independent
9. The input common-mode voltage or either input signal voltage should not be allowed to go negative by more than 0.3V. The
thermal resistance of 170°C/W which applies for the device soldered in a printed circuit board, operating in a still air ambient.
The low bias dissipation and the “ON-OFF” characteristic of the outputs keeps the chip dissipation very small (P
output transistors are allowed to saturate.
ground, the maximum output current is approximately 20mA independent of the magnitude of V
junction of the input PNP transistors becoming forward biased and thereby acting as input diode clamps. In addition to this
diode action, there is also lateral NPN parasitic transistor action on the IC chip. This transistor action can cause the output
voltages of the comparators to go to the V
is driven negative. This is not destructive and normal output states will re-establish when the input voltage, which is negative,
again returns to a value greater than -0.3V.
of the state of the output so no loading change exists on the reference or input lines.
upper end of the common-mode voltage range is V
independent of the magnitude of V
obtained, see typical performance characteristics section.
common-mode range, the comparator will provide a proper output state. The low input voltage state must not be less than
-0.3V (or 0.3V below the magnitude of the negative power supply, if used).
at 25°C.
Input Offset Voltage
Input Offset Current
Input Bias Current
Input Common Mode Voltage
Range
Saturation Voltage
Output Leakage Current
Differential Input Voltage
Parameter
O
~ 1.4V, R
+
+
can cause excessive heating and eventual destruction. When considering short circuits to
S
.
=0Ω with V
+
(V
voltage level (or to ground for a large overdrive) for the time duration that an input
www.diodes.com
CC
+
from 5V to 30V; and over the full input common-mode range (0V to V
(Note 12)
I
I
Linear Range, V
(Note 8)
V
V
I
V
V
Keep All V
Used), (Note 11)
= 5V) (Note 7)
IN
IN
SINK
+
+
IN
IN
O
-1.5V at 25°C, but either or both inputs can go to 36V without damage,
(+) -I
(+) or I
=30V (Note 9)
(-) = 1V, V
(-) = 0, V
= 30V
5 of 15
< 4mA
LOW POWER LOW OFFSET VOLTAGE DUAL
IN
OP
(-), V
IN
< +70°C.
Conditions
(-) with Output In
IN
IN
’s > 0V (or V
(+) = 1V,
CM
IN
(+) = 0,
= 0V
CM
= 0V
-
, if
+
.
Min
0
-
-
-
-
-
-
COMPARATORS
Typ.
D
-
-
-
-
-
-
-
<100mW), provided the
©
+
-1.5V),
Diodes Incorporated
AP393
V
APRIL 2008
Max
150
400
+
700
1.0
36
9
-2.0
Unit
mV
mV
nA
nA
μA
V
V