AS1116 DB-GREEN austriamicrosystems, AS1116 DB-GREEN Datasheet
AS1116 DB-GREEN
Specifications of AS1116 DB-GREEN
Related parts for AS1116 DB-GREEN
AS1116 DB-GREEN Summary of contents
Page 1
... ISET AS1116 SDI I/O SCL I/O µP I/O I/O Diagnostic readback: open & shorted LEDs www.austriamicrosystems.com/LED-Driver-ICs/AS1116 2 Key Features ! 10MHz SPI-Compatible Interface ! Open and Shorted LED Error Detection - Global or Individual Error Detection ! Hexadecimal- or BCD-Code for 7-Segment Displays ! 200nA Low-Power Shutdown Current (typ; data ...
Page 2
... N SET 14 11 SCL SEGA:SEG 15-18, 12-15, G, SEGDP 20-23 17- VDD SDO 24 21 www.austriamicrosystems.com/LED-Driver-ICs/AS1116 DIG2 1 DIG3 2 GND 3 AS1116 DIG4 4 DIG5 5 N Description Serial-Data Input. Data is loaded into the internal 16-bit shift register on the rising edge of pin SCL. Digit Drive Lines. Eight digit drive lines that sink current from the display cathode ...
Page 3
... DIG0:DIG7 Sink Current Current SEGA:SEGG, SEGDP Humidity Digital outputs Electrostatic Discharge All other pins Latch-Up Immunity Thermal Resistance Θ JA Ambient Temperature Storage Temperature Package Body Temperature www.austriamicrosystems.com/LED-Driver-ICs/AS1116 may cause permanent damage to the device. These are stress ratings only, Min Max Units -0 -0 0.3 ...
Page 4
... Output Data Propagation Delay Rising Edge to SCL Rising Edge LDCK t Minimum LD Pulse High CSW t Data-to-Segment Delay DSPD See Figure 18 on page 8 for more information. www.austriamicrosystems.com/LED-Driver-ICs/AS1116 = -40 to +85°C, typ. values @ T = +25ºC, V AMB Conditions All digital inputs GND +25ºC AMB R = open circuit. SET All segments and decimal point on ...
Page 5
... Tamb (°C) Figure 7. Segment Current vs. Supply Voltage 2.7 3.1 3.5 3.9 4.3 Vdd (V) www.austriamicrosystems.com/LED-Driver-ICs/AS1116 Figure 4. Display Scan Rate vs. Temperature; 980 960 940 920 900 880 Tamb = - 40°C Tamb = + 25°C 860 Tamb = + 85°C 840 4.7 5.1 5.5 -40 -15 Figure 6. Segment Current vs. R ...
Page 6
... Vseg (V) Figure 13 3.3V SEG SEG 1.2 1.4 1.6 1.8 2 2.2 2.4 2.6 2.8 3 3.2 Vseg (V) www.austriamicrosystems.com/LED-Driver-ICs/AS1116 Figure 10. Input High Level vs. Supply Voltage 3.5 3 2.5 2 1.5 1 Vdd = 2.7V Vdd = 3.3V Vdd = 4V 0.5 Vdd = 5V Vdd = 5.5V 0 2.7 3.1 0.25 0.3 0.35 Figure 12 ...
Page 7
... Debounce,....) SDI SPI 14 Interface SCL Control - Registers 24 SDO Figure 16. ESD Structure valid for the pins: VDD - SDI - SCL - SDO - LD - ISET - SEGA-G, SEGDP www.austriamicrosystems.com/LED-Driver-ICs/AS1116 Open/Short Detection + – + – Logic Registers Data - Registers Scan - Registers AS1116 Revision 1.05 VDD R SET 19 VDD 13 ISET 8 ...
Page 8
... At this time, all registers should be programmed for normal operation. Note: The default settings enable only scanning of one digit; the internal decoder is disabled and the Intensity Control Register (see page 13) is set to the minimum values. www.austriamicrosystems.com/LED-Driver-ICs/AS1116 Table 7 the 8bit command word for read oper ...
Page 9
... X 0 Scan Limit X 0 Shutdown X 0 Not Used X 0 Feature X 0/1 Display Test Mode X 0 DIG0:DIG1 Intensity X 0 DIG2:DIG3 Intensity X 0 DIG4:DIG5 Intensity X 0 DIG6:DIG7 Intensity X 0 www.austriamicrosystems.com/LED-Driver-ICs/AS1116 Table 8). For the AS1116, at that point, all segment current sources Address D11 D10 ...
Page 10
... No decode for digits 7:0 Code-B/HEX decode for digit 0. No decode for digits 7:1 Code-B/HEX decode for digit 0:2. No decode for digits 7:3 Code-B/HEX decode for digits 0:5. No decode for digits 7:6 Code-B/HEX decode for digits 0,2,5. No decode for digits www.austriamicrosystems.com/LED-Driver-ICs/AS1116 Address D11 D10 D9 ...
Page 11
... Register Data Char- acter D7 D6: The decimal point can be enabled with every character by setting bit Table 12. No-Decode Mode Data Bits and Corresponding Segment Lines D7 Corresponding Segment Line DP Figure 19. Standard 7-Segment LED www.austriamicrosystems.com/LED-Driver-ICs/AS1116 Register Data Char- acter D7 D6 Register Data Char- acter D7 D6 ...
Page 12
... Selecting RSET Resistor Value and Using External Drivers on page SET controlled globally for all digits, or for each digit individually. The global intensity command will write intensity data to all four individual brightness registers, while the individual intesity command will only write to the associated individual intensity register. www.austriamicrosystems.com/LED-Driver-ICs/AS1116 LED_global ...
Page 13
... Note: To avoid differences in brightness this register should not be used to blank parts of the display (leading zeros). Table 18. Scan-Limit Register Format (Address (HEX) = 0x0B)) HEX Scan Limit Code D7:D3 D2 Display digit 0 only 0xX0 Display digits 0:1 0xX1 Display digits 0:2 0xX2 Display digits 0:3 0xX3 www.austriamicrosystems.com/LED-Driver-ICs/AS1116 . SET Duty Cycle D2 D1 LSB 9/ ...
Page 14
... When the LD signal goes high, all shift registers are latched. The first four devices will receive no-operation commands and only the fifth device will receive the intended operation com- mand, and subsequently update its register. www.austriamicrosystems.com/LED-Driver-ICs/AS1116 D4 D3 ...
Page 15
... PD = 5V(5mA) + (5V - 2.2V)(15/16 x 40mA 0.865W Θ Thus, for a QSOP-24 package = +88°C/W, the maximum allowed J,MAX AMB In this example the maximum ambient temperature must stay below 73.88°C. www.austriamicrosystems.com/LED-Driver-ICs/AS1116 . The current that flows between V SET . Typical values for R SET SET ) are given in Table 21 & Table 22 ...
Page 16
... Furthermore recommended to connect a 10µF electrolytic and a 0.1µF ceramic capacitor between pins V GND to avoid power supply ripple (see Figure 20 on page www.austriamicrosystems.com/LED-Driver-ICs/AS1116 10) must be set to ‘00000000’ as described in Table 12 on page 11, where bit D0 corresponds to segment G and ...
Page 17
... Package Drawings and Markings The AS1116 is available in the QSOP-24 package. Figure 21. QSOP-24 Package Symbol Min Max A 1.35 1.75 A1 0.10 0.25 A2 1.37 1.57 b 0.20 0.30 C 0.19 0.25 D 8.55 8.74 E 5.79 6.20 E1 3.81 3.99 e 0.635 BSC h 0.22 0.49 L 0.40 1.27 θ 0º 8º www.austriamicrosystems.com/LED-Driver-ICs/AS1116 Revision 1. ...
Page 18
... All dimensions are in millimeters; angles in degrees. 2. Dimension b applies to metallized terminal and is measured between 0.25mm and 0.30mm from terminal tip. Dimension L1 represents terminal full back from package edge up to 0.1mm is acceptable. 3. Coplanarity applies to the exposed heat slug as well as the terminal. 4. Radius on terminal is optional. www.austriamicrosystems.com/LED-Driver-ICs/AS1116 ...
Page 19
... For further information and requests, please contact us or find your local distributor at www.austriamicrosystems.com/LED-Driver-ICs/AS1116 Table 23. Desciption 64 LED Driver with Detailed Error Detection 64 LED Driver with Detailed Error Detection http://www.austriamicrosystems.com/ICdirect mailto:sales@austriamicrosystems.com http://www.austriamicrosystems.com/distributor Revision 1.05 Delivery Form Package Tape and Reel QSOP-24 Tape and Reel TQFN(4x4)- ...
Page 20
... 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 tech- nical data herein ...