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