DM115

Manufacturer Part NumberDM115
Description(DM114) 8-Bit Constant Current LED Drivers
ManufacturerSiTi
DM115 datasheet
 


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DM114
8-Bit CONSTANT CURRENT LED DRIVERS with
DM115
Version
Issue Date
File Name
Total Pages :
3.3v ~ 5v supply voltage
:
A.002
:
2005/03/18
: sp-
DM1145-A.002
17
新竹市科學園區展業一路 9 號 7 樓之 1
SILICON TOUCH TECHNOLOGY INC.
9-7F-1, Prosperity Road I, Science Based Industrial Park,
Hsin-Chu, Taiwan 300, R.O.C.
Tel:886-3-5645656
Fax:886-3-5645626

DM115 Summary of contents

  • Page 1

    ... DM114 8-Bit CONSTANT CURRENT LED DRIVERS with DM115 Version Issue Date File Name Total Pages : 3. supply voltage : A.002 : 2005/03/18 : sp- DM1145-A.002 17 新竹市科學園區展業一路 9 號 7 樓之 1 SILICON TOUCH TECHNOLOGY INC. 9-7F-1, Prosperity Road I, Science Based Industrial Park, Hsin-Chu, Taiwan 300, R.O.C. Tel: ...

  • Page 2

    ... Supply Voltage General Description The DM114、DM115 is the constant current driver specifically designed for LED display applications. The value of constant current can be varied using an external resistor. The devices include an 8-bit shift register, latches, and constant current drivers on a single Silicon CMOS chip. ...

  • Page 3

    ... SERIAL- CLOCK LATCH 13 OUT0 5 12 OUT1 6 11 OUT2 7 10 OUT3 9 8 OUT1 OUT0 Preliminary 、 DM114 V DD R-EXT SERIAL-OUT ENABLE OUT7 OUT6 OUT5 OUT4 OUT7 SERIAL-OUT Version:A.002 DM115 Page 2 ...

  • Page 4

    ... Input terminal of a clock for shift register Input terminal for data strobe Output terminals Input terminal for output enable (active low) Output terminal of a data shift register Input terminal of an external resistor 3.3/5V Supply voltage terminal Preliminary 、 DM114 DM115 3.3/5V 0V 3.3/5V 0V 3.3/5V 0V 3.3/5V 0V Off ...

  • Page 5

    ... Equivalent Circuit of Inputs and Outputs 1. ENABLE terminal VDD RIN (up) INPUT GND 3. CLOCK, SERIAL-IN terminal VDD INPUT GND 8-BIT CONSTANT CURRENT LED DRIVERS with 3.3V~5V supply voltage 2. LATCH terminal VDD INPUT GND 4. SERIAL-OUT terminal Preliminary 、 DM114 DM115 RIN (down) VDD SERIAL_OUT GND Page 4 Version:A.002 ...

  • Page 6

    ... Clock Frequency f CLK Power Dissipation P D 8-BIT CONSTANT CURRENT LED DRIVERS with 3.3V~5V supply voltage = 150°C) (max) RATING 7 -0.4 ~ VDD+0 (DM114) I OUT 60 (DM115 OUT f CLK I GND 1.64 ( PDIP-16 : Ta=25°C) P 1.08 ( SOP-16 : Ta=25°C) D 0.8 ( SSOP-16 : Ta=25° PDIP- 115 ( SOP-16 ) th(j-a) 155 ( SSOP- -55 ~ 150 ...

  • Page 7

    ... R = 200Ω, OUT0~7 = off EXT REXT = OPEN, all outputs off DM115 R = 300Ω, OUT0~7 = off EXT R = 200Ω, OUT0 EXT DM114 R = 300Ω, OUT0 EXT DM115 Preliminary 、 DM114 DM115 MIN. TYP. MAX. ⎯ 0.7VDD VDD ⎯ GND 0.3VDD ⎯ ⎯ ...

  • Page 8

    ... Note: (Delay between outputs) The DM114、DM115 also incorporated the delay unit between outputs. The delay time is 4 ns(typ.), out7 has no delay, out5 has 4 ns delay, out 3 has 8 ns delay, and then out 1, out 0, out 2, out 4, out6. The delay is to prevent large current impulse ...

  • Page 9

    ... CONSTANT CURRENT LED DRIVERS with 3.3V~5V supply voltage OUT0 DD ENABLE CLOCK LATCH OUT7 SERIAL-IN SERIAL-OUT R-EXT GND I ref V DD ENABLE CLOCK LATCH SERIAL-IN SERIAL-OUT R-EXT GND Preliminary 、 DM114 DM115 OUT0 OUT7 Page 8 Version:A.002 ...

  • Page 10

    ... Preliminary 、 DM114 50 90% 50% 10% t pHL 50% t pHL “L” level = DATA HOLD tw (LAT) 50% 50% 50% t pHL 50% Version:A.002 DM115 Page 9 ...

  • Page 11

    ... DM115 Vout (V) Preliminary DM114 200 400 600 800 1000 1200 1400 1600 1800 Rext (Ohm) DM115: Iout ≈ 1.3V / Rext * 12 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1 1.1 1.2 1.3 1.4 1.5 Vout (V) Version:A.002 、 DM115 Page 10 ...

  • Page 12

    ... 1.80 1.60 DIP 1.40 1.20 SOP 1.00 SSOP 0.80 0.60 0.40 0.20 0. Imax - Ta ( DM115 ) 70 60 DIP 50 SOP 40 SSOP Note As the power dissipation of a semiconductor chip is limited its package and ambient temperature, this device requires a maximum output current be calculated for a given operating condition. The ...

  • Page 13

    ... − − (min LED • (max) (max) I Bit O Preliminary 、 DM114 DM115 ( IC supply voltage additional R can LED Page 12 Version:A.002 ...

  • Page 14

    ... SILICON TOUCH TECHNOLOGY INC. Package Outline PDIP16 16 1 2.54 0.635±0.254 Weight : 1.11g(Typ.) 8-BIT CONSTANT CURRENT LED DRIVERS with 3.3V~5V supply voltage 9 8 19.69MAX 19.18±0.51 0.4572 1.524 Preliminary 、 DM114 DM115 Unit: mm Page 13 Version:A.002 ...

  • Page 15

    ... SILICON TOUCH TECHNOLOGY INC. Package Outline SOP16 16 1 0.56 1.27 10 8-BIT CONSTANT CURRENT LED DRIVERS with 3.3V~5V supply voltage 9 8 0.51 Preliminary 、 DM114 DM115 Unit: mm 1.27 Page 14 Version:A.002 ...

  • Page 16

    ... SILICON TOUCH TECHNOLOGY INC. Package Outline SSOP16 0.229 0.635 4.9 8-BIT CONSTANT CURRENT LED DRIVERS with 3.3V~5V supply voltage 8 0.3Max Preliminary 、 DM114 DM115 Unit: mm 0.635 Page 15 Version:A.002 ...

  • Page 17

    ... Technology, Inc. and its distributors and all their officers and employees shall defend jointly and severally against any and all claims and litigation and all damages, cost and expenses associated with such intention and manipulation. 8-BIT CONSTANT CURRENT LED DRIVERS with 3.3V~5V supply voltage Preliminary 、 DM114 DM115 Page 16 Version:A.002 ...