ALD2321A(2010) Просмотр технического описания (PDF) - Advanced Linear Devices
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ALD2321A Datasheet PDF : 11 Pages
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TYPICAL APPLICATIONS (cont'd)
DUAL LIMIT WINDOW COMPARTOR
VREF(HIGH)
1/2 ALD2321
+
V+
RLOAD
-
VOUT
+
VIN
-
VREF(LOW)
1/2 ALD2321
RLOAD = 1.5KΩ
OUTPUT HIGH FOR VIN <VREF(HIGH)
AND VIN > VREF(LOW)
DUAL LIMIT PHOTO DETECTOR MONTOR
VExternal
V+
BUZZER
1/2 ALD2321
LED
VLIMIT2
+
-
LIGHT
PHOTO-
DETECTOR
VLIMIT 1
+
-
1/2 ALD2321
LED turns on as photo-detector
voltage reaches VLIMIT1.
Both LED and horn turns on as photo-
detector voltage reachesVLIMIT2.
VEXTERNAL= +12V, V+ = +5V
RESPONSE TIME MEASUREMENT CIRCUIT
Response time is defined as the internal between the
application of an input step function and the instant
when the output reaches 50% of its maximum value
as measured by the following test circuit:
+5V
10X INPUT STEP
VIN
-
9KΩ
+
1KΩ
5.1KΩ
OUT
OUT1
PINS OUT1, OUT1H, OUT2, OUT2H,
INTERNAL CIRCUIT CONFIGURATIONS
V+
OUT1H
OUT1
OUT2
V+
OUT2H
OUT2
VE1x*
E-TRIM CIRCUIT
-IN
-
+IN
+
Level
Shift/
Scaling
Input
Offset
Trim
Circuit
OUTH
OUT
VE2x*
Level
Shift/
Scaling
Input
Offset
Trim
Circuit
* These pins should be isolated by surrounding them with ground trace in user's applications.
ALD2321A/ALD2321B/ALD2321
Advanced Linear Devices
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