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ALD2321B Datasheet(PDF) 8 Page - Advanced Linear Devices |
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ALD2321B Datasheet(HTML) 8 Page - Advanced Linear Devices |
8 / 8 page ALD2321A/ALD2321B Advanced Linear Devices 8 ALD2321 PINS OUT1, OUT1H, OUT2, OUT2H, INTERNAL CIRCUIT CONFIGURATIONS RESPONSE TIME MEASUREMENT CIRCUIT E-TRIM CIRCUIT + OUT OUTH Input Offset Trim Circuit Level Shift/ Scaling VE1x* Input Offset Trim Circuit Level Shift/ Scaling VE2x* +IN -IN - TYPICAL APPLICATIONS 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: V+ VLIMIT2 PHOTO- DETECTOR LIGHT - - + + LED BUZZER VLIMIT 1 VExternal 1/2 ALD2321 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 DUAL LIMIT PHOTO DETECTOR MONITOR DUAL LIMIT WINDOW COMPARATOR + + - - 1/2 ALD2321 OUTPUT HIGH FOR VIN <VREF(HIGH) RLOAD = 1.5KΩ AND VIN > VREF(LOW) VOUT V+ VREF(HIGH) 1/2 ALD2321 VREF(LOW) RLOAD VIN * These pins should be isolated by surrounding them with ground trace in user's applications. OUT1 V+ OUT1H OUT1 OUT2 V+ OUT2H OUT2 + - 5.1K Ω OUT +5V 10X INPUT STEP 1K Ω 9K Ω VIN |
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