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AS1105WL Datasheet(PDF) 5 Page - ams AG |
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AS1105WL Datasheet(HTML) 5 Page - ams AG |
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5 / 16 page  www.ams.com/LED-Driver-ICs/AS1105 Revision 1.36 4 - 15 AS1105 Datasheet - Electrical Character i s t ics 6 Electrical Characteristics VDD = 5V, RSET = 9.53k Ω±1%, TA = TMIN to TMAX, unless otherwise noted. Table 3. Electrical Characteristics Symbol Parameter Conditions Min Typ Max Units VDD Operating Supply Voltage 4.0 5.0 5.5 V IDDSD Shutdown Supply Current All digital inputs at VDD or GND, TA = +25ºC 20 50 µA IDD Operating Supply Current RSET = open circuit 500 µA All segments and decimal point on, ISEG = -40mA 330 mA fOSC Display Scan Rate 500 800 1300 Hz IDIGIT Digit Drive Sink Current VOUT = 0.65V 320 mA ISEG Segment Drive Source Current TA = +25ºC, VOUT = (VDD -1V) -30 -40 -45 mA ΔISEG Segment Drive Current Matching 3.0 % IDIGIT Digit Drive Source Current Digit off, VDIGIT = (VDD -0.3V) -2 mA ISEG Segment Drive Sink Current Segment off, VSEG = 0.3V 5 mA Logic Inputs IIH, IIL Input Current DIN, CLK, LOAD VIN = 0V or VDD -1 1 µA VIH Logic High Input Voltage 3.5 V VIL Logic Low Input Voltage 0.8 V VOH Output High Voltage DOUT, ISOURCE = -1mA VDD - 1 V VOL Output Low Voltage DOUT, ISINK = 1.6mA 0.4 V Hysteresis Voltage DIN, CLK, LOAD 1 V Timing Characteristics tCP CLK Clock Period 100 ns tCH CLK Pulse Width High 50 ns tCL CLK Pulse Width Low 50 ns tCSH CLK Rise to LOAD Rise Hold Time 0 ns tDS DIN Setup Time 25 ns tDH DIN Hold Time 0 ns tDO Output Data Propagation Delay CLOAD = 50pF 25 ns tLDCK LOAD Rising Edge to Next Clock Rising Edge 50 ns tCSW Minimum LOAD Pulse High 50 ns tDSPD Data-to-Segment Delay 2.25 ms |
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