ALD4301A 查看數據表（PDF） - Advanced Linear Devices
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ALD4301A Datasheet PDF : 9 Pages
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TYPICAL PERFORMANCE CHARACTERISTICS (cont'd)
TOTAL SUPPLY CURRENT vs.
TOTAL SUPPLY VOLTAGE
V+
160
-
+
140
TA = 25°C
RL = ∞
120
100
SUPPLY CURRENT vs. TEMPERATURE
200
180
VS = ±2.5V
No Load
160
All comparators
140
120
100
80
2.0
80
4.0
6.0
8.0
10.0
12.0
SUPPLY VOLTAGE (V)
60
-55 -25
INPUT OFFSET VOLTAGE vs.
TEMPERATURE
3.0
0
25 50 75 100 125
TEMPERATURE (°C)
2.8
VCM = 0V
2.6
VS = ± 2.5V
2.4
2.2
2.0
1.8
-55 -25
0
25 50 75 100 125
TEMPERATURE (°C)
TYPICAL APPLICATIONS
QUAD LIMIT WINDOW COMPARATOR
VREF(HIGH)
1/2 ALD4301
+
V+
RLOAD
-
VOUT
+
VIN
-
VREF(LOW)
1/2 ALD4301
MINIMUM RLOAD = 1.5KΩ
OUTPUT HIGH FOR VIN < VREF(HIGH)
AND VIN > VREF(LOW)
QUAD LIMIT PHOTO-DETECTOR
MONITOR
VOLTAGE COMPARATOR WITH
COMPLEMENTARY OUTPUTS
V+
BUZZER
VLIMIT2
1/2 ALD4301
+
-
VExternal
LED
VREF
V+
+
Q
-
1/2 ALD4301
LIGHT
VLIMIT 1
+
PHOTO-
DETECTOR
-
VIN
+
Q
-
1/2 ALD4301
1/2 ALD4301
LED turns on as photo-detector voltage
reaches VLIMIT1. Both LED and horn
turns on as photo-detector voltage
reaches VLIMIT2.
VEXTERNAL = +12V V+ = +5V.
ALD4301A/ALD4301
Advanced Linear Devices
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