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ALD2301A Datasheet(PDF) 4 Page - Advanced Linear Devices

Part No. ALD2301A
Description  DUAL PRECISION CMOS VOLTAGE COMPARATOR WITH OPEN DRAIN DRIVER
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Maker  ALD [Advanced Linear Devices]
Homepage  http://www.aldinc.com
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ALD2301A Datasheet(HTML) 4 Page - Advanced Linear Devices

   
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7-4
Advanced Linear Devices
ALD2301A/ALD2301B
ALD2301/ALD2301C
TYPICAL PERFORMANCE CHARACTERISTICS
120
100
80
60
140
025
50
75
-25
-55
TEMPERATURE (
°C)
100
160
180
200
125
VS = ±2.5V
No Load
All comparators
SUPPLY CURRENT vs. TEMPERATURE
2.4
2.2
2.0
1.8
2.6
025
50
75
-25
-55
TEMPERATURE (
°C)
100
2.8
3.0
125
VCM = 0V
VS = ± 2.5V
INPUT OFFSET VOLTAGE vs.
TEMPERATURE
TYPICAL APPLICATIONS
140
120
100
80
160
6.0
8.0
10.0
12.0
4.0
2.0
SUPPLY VOLTAGE (V)
TA = 25°C
RL =
-
+
V+
TOTAL SUPPLY CURRENT vs.
TOTAL SUPPLY VOLTAGE
DUAL LIMIT WINDOW COMPARATOR
LED turns on as photo-detector voltage
reaches V LIMIT1. Both LED and horn turns on
as photo-detector voltage reaches VLIMIT2.
V EXTERNAL = +12V V+ = +5V.
DUAL LIMIT PHOTO-DETECTOR
MONITOR
VOLTAGE COMPARATOR WITH
COMPLEMENTARY OUTPUTS
+
+
-
-
1/2 ALD2301
OUTPUT HIGH FOR VIN < VREF(HIGH)
MINIMUM RLOAD = 1.5KΩ
>
AND
VOUT
VIN
V+
VREF(HIGH)
1/2 ALD2301
VREF(LOW)
VREF(LOW)
RLOAD
VIN
-
-
+
+
Q
Q
VIN
VREF
V+
1/2 ALD2301
1/2 ALD2301
V+
VLIMIT2
PHOTO-
DETECTOR
LIGHT
-
-
+
+
LED
BUZZER
VLIMIT 1
VExternal
1/2 ALD2301
1/2 ALD2301


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