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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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AS7000 датащи(PDF) 11 Page - ams AG |
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AS7000 датащи(HTML) 11 Page - ams AG |
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11 / 92 page  ams Datasheet Page 11 [v1-12] 2018-Feb-26 Document Feedback AS7000 − Detailed Description LEDs AS7000-AA Dual Green LED Configuration Two green LEDs are used (pins VD1/VD2). The other two current sinks are available on pins VD3 and VD4. LED Characteristics Figure 9: LED Characteristics at TAMB =25°C Note(s): 1. The maximum allowed LED current (DC and peak) is specified for 25°C. Lower values apply for higher temperatures. 2. Add 280mV and use LED current range ≤100mA for designing the VD1/VD2 LED supply (DC-DC converter). Symbol Parameter Conditions Min Typ Max Unit Green LED (AS7000-AA) ILED_GREEN Allowed operating LED current range (1) Continuous 0 50 mA 1/10 duty cycle @ 1 kHz 100 mA VFLED_GREEN Forward voltage (2) ILED=20mA 2.9 3.2 V VFLED+DRIVER _GREEN Voltage on VD1/VD2 where operation of the LED and current source is guaranteed ILED= 10mA 3.6 V ILED= 50mA 4.5 λp_GREEN Dominant wavelength 527 nm Δλ½_GREEN Spectral halfwidth 35 nm |
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