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AD5026 Dataheets PDF



Part Number AD5026
Manufacturers AiT Semiconductor
Logo AiT Semiconductor
Description 16-BIT CONSTANT-CURRENT LED DRIVER
Datasheet AD5026 DatasheetAD5026 Datasheet (PDF)

AiT Semiconductor Inc. www.ait-ic.com AD5026 LED DISPLAY DRIVER 16-BIT CONSTANT-CURRENT LED DRIVER DESCRIPTION AD5026 is a 16-channel, constant current sink LED driver. It contains High-precision current-drive circuit, 16-bit shift register, Latch and temperature compensation circuit. AD5026 provides users with great flexibility and device performance in their system design for LED display applications, e.g. LED panels. AD5026 have the ability of the anti-static technology and anti-jamming tec.

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AiT Semiconductor Inc. www.ait-ic.com AD5026 LED DISPLAY DRIVER 16-BIT CONSTANT-CURRENT LED DRIVER DESCRIPTION AD5026 is a 16-channel, constant current sink LED driver. It contains High-precision current-drive circuit, 16-bit shift register, Latch and temperature compensation circuit. AD5026 provides users with great flexibility and device performance in their system design for LED display applications, e.g. LED panels. AD5026 have the ability of the anti-static technology and anti-jamming technology. It can make chip data transmission more stable and work more reliable. Chip antistatic ability up to more than 4KV. The AD5026 is available in SSOP24(0.635/1.0) & QFN24 (4X4) Packages. APPLICATION  Outdoor LED Video Display  Indoor LED Video Display  Message Signs TYPICAL APPLICATION FEATURES  Output constant current: 2~90mA  VDS ≧ 300mV (IOUT=20mA)  Red light min input voltage: 2.3~2.5V  Blue & Green light min input voltage: 3.6~3.8V  Constant Current Accuracy: Channel-to-Channel<±2% Device-to-Device<±3%  25MHz clock frequency  Operating voltage range: 3.3V~5V  Anti-static damage ability:>4KV  Operating Temperature Range: -40℃~+85℃  Available in SSOP24 (0.635/1.0) & QFN24 (4X4) Packages. ORDERING INFORMATION Package Type Part Number SSOP24 MX24 AD5026MX24R-Z AD5026MX24VR-Z QFN24 Q24 AD5026Q24R AD5026Q24VR Note V: Halogen free Package R: Tape & Reel Z: Dimension Selection A type: 0.635 B type: 1.0 See package information AiT provides all RoHS products Suffix “ V” means Halogen free Package REV1.3 -MAY 2010 RELEASED, AUG 2012 UPDATED – -1- AiT Semiconductor Inc. www.ait-ic.com PIN DESCTIPTION AD5026 LED DISPLAY DRIVER 16-BIT CONSTANT-CURRENT LED DRIVER Pin # SSOP24 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 1 2 3 Top View QFN24 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 Symbol LAT OUT0 OUT1 OUT2 OUT3 OUT4 OUT5 OUT6 OUT7 OUT8 OUT9 OUT10 OUT11 OUT12 OUT13 OUT14 OUT15 BLANK SOUT IREF VDD GND SIN SCLK REV1.3 -MAY 2010 RELEASED, AUG 2012 UPDATED – Top View Function Data Strobe Input Pin Output Port Output Port Output Port Output Port Output Port Output Port Output Port Output Port Output Port Output Port Output Port Output Port Output Port Output Port Output Port Output Port Output Enable Shift Register Data Output Pin External Resistor Input Port Power Supply GND Shift Register Data Input Pin Shift Register Clock Input Pin -2- AiT Semiconductor Inc. www.ait-ic.com AD5026 LED DISPLAY DRIVER 16-BIT CONSTANT-CURRENT LED DRIVER ABSOLUTE MAXIMUM RATINGS VDD, Supply Voltage 7V VOUT, Output Voltage -0.5~10V IOUT, Output Current 90mA VIN, Input Voltage -0.4~VDD+0.4V FCLK, Clock Frequency 25MHz IGND, GND Current 1500mA TSTG, Storage Temperature Range -65~+150oC TOPR, Operating Temperature Range -40~+85oC VESD, ESD Voltage 4000V Stresses above may cause permanent damage to the device. These are stress ratings only and functional operation of the device at these or any other conditions beyond those indicated in the Electrical Characteristics are not implied. Exposure to absolute maximum rating conditions for extended periods may affect device reliability. REV1.3 -MAY 2010 RELEASED, AUG 2012 UPDATED – -3- AiT Semiconductor Inc. www.ait-ic.com AD5026 LED DISPLAY DRIVER 16-BIT CONSTANT-CURRENT LED DRIVER ELECTRICAL CHARACTERISTICS VDD=5V, TA=25oC, unless otherwise specified. Parameter Symbol High-level output current IOH Low-level output Voltage VOL High-level output Voltage VOH Conditions IOL = 1mA IOH= -1mA Min Typ Max Unit - - 1 uA - - 0.3 V 3 - -V IOL1 Vo ≥0.4V, RSET = 490Ω - 36 - Low-level Output Current mA IOL2 Vo ≥0.32V, RSET = 245Ω - 72 - Current Skew B2B Pull-up Resistor Pull-down Resistor RIN(up) RIN(down) IDD(OFF) 1 Supply Current (“OFF”) IDD(OFF) 2 IDD(OFF) 3 Supply Current (“ON”) IDD(ON) 1 IDD(ON) 2 VDS=800mV, RSET = 490Ω VDS= 300mV, RSET = 490Ω EN Pin LATCH PIn RSET=OPEN OUT 0 to 15 = OFF RSET = 490Ω OUT 0 to 15 = OFF RSET = 245Ω OUT 0 to 15 = OFF RSET = 490Ω OUT 0 to 15 = ON RSET = 245Ω OUT 0 to 15 = ON - ±2 - ±3 % - 250 - KΩ - 250 - KΩ - 1.2 - mA - 8 - mA - 15 - mA - 8 - mA - 15 - mA REV1.3 -MAY 2010 RELEASED, AUG 2012 UPDATED – -4- AiT Semiconductor Inc. www.ait-ic.com AD5026 LED DISPLAY DRIVER 16-BIT CONSTANT-CURRENT LED DRIVER AC CHARACTERISTICS VDD=5V, TA=25oC, unless otherwise specified. Parameter Symbol Conditions Supply Voltage VDD Output Voltage VO Output Current Input Voltage (“H” Level) Input Voltage (“L” Level) LAT Pulse Width CLK ENB Setup Time for DATA Hold Time for DATA Setup Time for LAT Hold Time for LAT Clock Frequency IO IOH IOL VIH VIL tw(L) tw(CLK) tw(ENB) tsu(D) th(D) tsu(L) th(L) FCLK SOUT=VDD SOUT=0 VDD=3.3 to 5V Cascade Operation Min Typ Max Unit 3.3 4.2 5.0 V - - 10 V 2 - 90 mA - - -1 mA --1 0.7VDD - VDD+0.3 V -0.3 - 0.3VDD V 20 - - 20 - - ns 50 - - 5- - ns 10 - - ns 5- - ns 5- - ns - - 25 MHz REV1.3 -M.


A8290 AD5026 A8946


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