AS1105WL-T austriamicrosystems, AS1105WL-T Datasheet
AS1105WL-T
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AS1105WL-T Summary of contents
Page 1
... Several test modes support easy debugging. AS1105 is offered in a 20-pin SOIC package. Figure 1. Typical Application Circuit 9.53k MOSI µP I/O SCK www.austriamicrosystems.com 2 Key Features ! Cost effective version of AS1100 functionality for applications up to 4-Digits 10MHz Serial Interface ! Individual LED Segment Control ...
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... DOUT Pin Descriptions Table 1. Pin Descriptions Pin Pin Number Name 1 DOUT 2 DIN 3,8,5,6 DIG0–DIG3 GND 4,7 9 LOAD CLK 10 SEG A–G, DP 11–14, 17–20 ISET www.austriamicrosystems.com 1 20 SEG D DIN 2 19 SEG DP 18 SEG E DIG0 3 17 SEG C GND 4 DIG2 AS1105 15 I DIG3 ...
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... Parameter V to GND DD DIN, CLK, LOAD to GND All Other pins to GND Current DIG0–DIG3 Sink Current SEGA–G, DP Source Current Continuous Power Dissipation (TA = +85°C) Wide SO Operating Temperature Range Storage Temperature Range Package body temperature www.austriamicrosystems.com Min Max Units - 0.3 V ...
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... DH t Output Data Propagation Delay DO LOAD Rising Edge to Next t LDCK Clock Rising Edge t Minimum LOAD Pulse High CSW t Data-to-Segment Delay DSPD www.austriamicrosystems.com unless otherwise noted. MAX Conditions All digital inputs GND +25º open circuit SET All segments and decimal point on, ...
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... AS1105 Data Sheet - Typical Operating Characteristics Figure 3. Segment Driver Capability 5V, Logic Level = High 0.5 1 1.5 2 2.5 3 Voltage below VDD at output (V) www.austriamicrosystems.com Figure 4. Segment Current versa 3.5 4 4.5 10 Revision 1.34 SET 100 RSET (kOhm ...
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... The AS1105 needs typically 250µs to exit the shutdown mode. During shutdown, the AS1105 is fully programmable. Only the display test function overrides the shutdown mode. www.austriamicrosystems.com t t ...
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... Decode Mode X Intensity X Scan Limit X Shutdown X Not used X Reset and ext. Clock X Display Test X www.austriamicrosystems.com the correspondence of the register to the appropriate segments segment should be 9.53kΩ, which corresponds to 40mA segment current. The Table 12 shows the maximum allowed current, when Register D11 D10 ...
Page 8
... Code B decode for digits 4–0 1 Table 8. Code B font Register Data 7-Segment Character D7 D6- blank X 1 Note: In the above table, the decimal point (DP) is set by bit Table 9. No-decode mode data bits and corresponding segment lines D7 Corresponding Segment Line DP www.austriamicrosystems.com Register Data Register Data Segments = ...
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... Table 10. Intensity Register Format (address (hex) = 0xXA) Duty Cycle D7 D6 1/32 (min 11/ 13/ 15/ 17/ 19/ 21/ 23/ 25/ 27/ 29/ 31/32 (max on Table 11. Scan-limit register format (address (hex) = 0xXB) Scan Limit D7 Display digit 0 only X Display digits 0 & Display digits Display digits www.austriamicrosystems.com Register Data D6 ...
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... Normal Operation, external clock Reset state, internal clock Reset state, external clock Table 15. R vs. segment current and LED forward voltage SET I (mA) SEG 1.5 40 12.2kΩ 30 17.8kΩ 20 29.8kΩ 10 66.7kΩ www.austriamicrosystems.com Maximum Segment Current (mA) Register Data Register Data (hex) D7 ...
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... DIN 12 µP LOA 1 CLK 9 GND GND www.austriamicrosystems.com and GND to avoid power supply ripple. Also, both GNDs must be DD SET are given in Table 12. The maximum current the AS1105 can drive is 40mA 47kΩ. In cases that the AS1105 only drives few digits SET must be set accordingly ...
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... Dissipation Example 40mA DUTY = 31/32, V SEG PD = 5.25V(0.5mA) + (5.25V - 1.8V)(31/32 x 40mA 0.54W Thus, for a SO package θJA = +85ºC/W (see Table 13), the maximum allowed ambient temperature J,MAX Where +104ºC A www.austriamicrosystems.com Thermal Resistance (θ x 0.5mA )(DUTY LED SEG = 1.8V at 40mA 5.25V LED DD θ ...
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... The device is available in a 20-pin SOIC package. Figure 8. SOIC-20 package drawings Table 17. SOIC-20 package dimensions Symbol Min A 2.44 A1 0.10 A2 2.24 B 0.36 C 0.23 D 12.65 E 7.40 e 1.27 BSC www.austriamicrosystems.com Max Symbol 2.64 H 0.30 h 2.44 J 0.46 K 0.32 L 12.85 R 7.60 ZD α Revision 1.34 Min Max 10 ...
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... AS1105 Data Sheet - Ordering Information The device is available as the standard products listed in Table 18. Ordering Information Part Temp Range AS1105WL -40ºC to +85ºC AS1105WL-T -40ºC to +85ºC www.austriamicrosystems.com Table 18. Package 20-pin SOIC 20-pin SOIC Revision 1.34 Delivery Form Tubes T& ...
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... The information furnished here by austriamicrosystems AG is believed to be correct and accurate. However, austriamicrosystems AG shall not be liable to recipient or any third party for any damages, including but not limited to personal injury, property damage, loss of profits, loss of use, interruption of business or indirect, special, incidental or consequential damages, of any kind, in connection with or arising out of the furnishing, performance or use of the technical data herein ...