ALD2301A ALD [Advanced Linear Devices], ALD2301A Datasheet - Page 4

• Manufacturer Part Number: ALD2301A
• Description: DUAL PRECISION CMOS VOLTAGE COMPARATOR WITH OPEN DRAIN DRIVER
• Manufacturer: ALD [Advanced Linear Devices]

DUAL LIMIT WINDOW COMPARATOR
V
7-4
IN
160
140
120
100
2.6
2.4
2.0
3.0
2.8
2.2
1.8
V
80
MINIMUM R
AND
OUTPUT HIGH FOR V
REF(HIGH)
-55
2.0
V
V
REF(LOW)
IN
>
V
V
-25
TOTAL SUPPLY CURRENT vs.
V
CM
S
LOAD
INPUT OFFSET VOLTAGE vs.
REF(LOW)
TOTAL SUPPLY VOLTAGE
+
=
-
4.0
= 0V
+
+
-
-
= 1.5K
2.5V
1/2 ALD2301
1/2 ALD2301
V +
0
SUPPLY VOLTAGE (V)
TEMPERATURE ( C)
IN
TEMPERATURE
< V
6.0
REF(HIGH)
25
TYPICAL PERFORMANCE CHARACTERISTICS
R
V +
50
LOAD
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
DUAL LIMIT PHOTO-DETECTOR
12.0
125
Advanced Linear Devices
LIMIT1 .
V
V
LIMIT 1
LIMIT2
V+
Both LED and horn turns on
MONITOR
1/2 ALD2301
1/2 ALD2301
+
-
+
-
BUZZER
200
180
160
140
120
100
LIMIT2.
80
60
-55
V
External
SUPPLY CURRENT vs. TEMPERATURE
-25
LED
0
TEMPERATURE ( C)
V
REF
VOLTAGE COMPARATOR WITH
COMPLEMENTARY OUTPUTS
25
V
IN
50
V
No Load
All comparators
S
= 2.5V
ALD2301A/ALD2301B
75
ALD2301/ALD2301C
-
+
-
+
100
V +
1/2 ALD2301
1/2 ALD2301
125
Q
Q