TYPICAL PERFORMANCE CHARACTERISTICS
TOTAL SUPPLY CURRENT vs.
TOTAL SUPPLY VOLTAGE
SUPPLY CURRENT vs. TEMPERATURE
200
180
+
V
V
= ±2.5V
S
-
+
160
140
120
100
80
T = 25°C
A
No Load
R
=
∞
L
160
140
120
100
80
All comparators
60
6.0
SUPPLY VOLTAGE (V)
2.0
4.0
10.0
12.0
8.0
-55
0
25
TEMPERATURE (°C)
50
100
125
-25
75
INPUT OFFSET VOLTAGE vs.
TEMPERATURE
3.0
2.8
2.6
2.4
2.2
V
V
= 0V
CM
= ± 2.5V
S
2.0
1.8
-55
0
25
50
100
125
-25
75
TEMPERATURE (°C)
TYPICAL APPLICATIONS
QUAD LIMIT WINDOW COMPARATOR
QUAD LIMIT PHOTO-DETECTOR
MONITOR
VOLTAGE COMPARATOR WITH
COMPLEMENTARY OUTPUTS
V
External
+
V
V+
1/2 ALD4301
+
V
BUZZER
R
LOAD
+
-
V
+
-
REF(HIGH)
Q
1/2 ALD4301
LED
1/2 ALD4301
V
LIMIT2
+
V
V
REF
OUT
-
+
-
V
+
-
IN
Q
V
IN
V
LIMIT 1
LIGHT
+
PHOTO-
DETECTOR
1/2 ALD4301
V
REF(LOW)
-
1/2 ALD4301
1/2 ALD4301
MINIMUM R
LOAD
= 1.5KΩ
OUTPUT HIGH FOR V
<
V
IN
>
V
REF(LOW)
REF(HIGH)
AND
V
LED turns on as photo-detector voltage
reaches V . Both LED and horn turns on
IN
LIMIT1
as photo-detector voltage reaches V
LIMIT2.
V
= +12V V+ = +5V.
EXTERNAL
ALD4301A/ALD4301
Advanced Linear Devices
ALD [ ADVANCED LINEAR DEVICES ]
