ald4301 Advanced Linear Devices Inc (ALD), ald4301 Datasheet - Page 4

• Manufacturer Part Number: ald4301
• Description: Quad Precision Cmos Voltage Comparator With Open Drain Driver
• Manufacturer: Advanced Linear Devices Inc (ALD)

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