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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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TMG39921 датащи(PDF) 11 Page - ams AG |
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TMG39921 датащи(HTML) 11 Page - ams AG |
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11 / 95 page  ams Datasheet Page 11 [v1-04] 2014-Oct-24 Document Feedback TMG3992 − Electrical Characteristics Note(s) and/or Footnote(s): 1. This parameter ensured by design and characterization and is not 100% tested. 2. Value may be as much as 1.36μs longer than specified. 3. Value is factory-adjusted to meet the Proximity response specification. Considerable variation (relative to the typical value) is possible after adjustment. LEDBOOST increases current setting (as defined by LDRIVE or GLDRIVE). For example, if LDRIVE = 0 and LEDBOOST = 300%, LDR current is 300mA. 4. LEDBOOST multiplies LDR current by the percentage selected. 5. Proximity offset value varies with power supply characteristics and system noise. 6. Production tested value is the average of 5 readings. 7. Correlated result by characterization. Refer to Figure 25 and Figure 26 for typical operating settings. Proximity Offset (no target response) (5) PGAIN = 2 (4X) LDRIVE = 0 LEDBOOST = 1 PPLEN = 2 PPULSE= 2 (3 pulses) 100mm X 100mm 90% reflective Kodak Grey Card at 100mm distance 4 counts Relative Proximity Response (6) PGAIN = 2 (4X) LDRIVE = 1 LEDBOOST = 0 PPLEN = 1 PPULSE= 5 (6 pulses) d=23mm round target at 30mm distance 75 100 125 % Proximity Response (7) PGAIN = 2 (4X) LDRIVE = 0 LEDBOOST = 1 PPLEN = 2 PPULSE= 2 (3 pulses) 100mm X 100mm 90% reflective Kodak Grey Card at 100mm distance 80 100 120 counts Parameter Conditions Min Typ Max Units |
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