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AS3636 Datasheet(PDF) 6 Page - ams AG |
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AS3636 Datasheet(HTML) 6 Page - ams AG |
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6 / 42 page ![]() www.austriamicrosystems.com Revision 0.7 6 - 42 with additional features with photosensor AS3636 Preliminary Datasheet, Confidential - E l e c t r i c a l C h a r a c t e r i s t i c s VIHSTROBE High Level Input Voltage Pin STROBE 0.74 VBAT V VILSTROBE Low Level Input Voltage 0.0 0.54 V VOL Low Level Output Voltage Pins INT and SDA; IOL=3mA 0.2 V ILEAK Leakage current Pins SDA, SCL, INT -10 +10 µA RPULLDOWN Pulldown resistor to GND Pins TORCH and STROBE at 1.8V 35 48 65 k Ω at 1.2V 37.5 k Ω tDEBTORCH TORCH debounce time 6.3 9 11.7 ms tSTROBE_MIN STROBE minimum timing 200 ns I 2C mode timings - see Figure 3 on page 7 tTIMEOUT SCL timeout In active mode, if SCL is low for this time, the device enters shutdown mode - see Figure 5, “AS3636 operating mode,” on page 10 35 100 ms fSCLK SCL Clock Frequency 30 400k Hz tBUF Bus Free Time Between a STOP and START Condition 1.3 µs tHD:STA Hold Time (Repeated) START Condition 4 0.6 µs tLOW LOW Period of SCL Clock 1.3 µs tHIGH HIGH Period of SCL Clock 0.6 µs tSU:STA Setup Time for a Repeated START Condition 0.6 µs tHD:DAT Data Hold Time 5 00.9 µs tSU:DAT Data Setup Time 6 100 ns tR Rise Time of Both SDA and SCL Signals 20 + 0.1CB 300 ns tF Fall Time of Both SDA and SCL Signals 20 + 0.1CB 300 ns tSU:STO Setup Time for STOP Condition 0.6 µs CB Capacitive Load for Each Bus Line CB — total capacitance of one bus line in pF 400 pF CI/O I/O Capacitance (SDA, SCL) 10 pF Transformer Parameters - only use transformers approved by austriamicrosystems, see Recommended Transformers on page 37 LPRIMARY Primary Inductance 6 µH LLEAK Primary Leakage Inductance 0.4 µH Table 3. Electrical Characteristics (Continued) Symbol Parameter Condition Min Typ Max Unit |
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