sm16705p SamHop Microelectronics Corp., sm16705p Datasheet
sm16705p
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sm16705p Summary of contents
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... SAMHOP Microelectronics Corp. The information in this document is subject to change without notice. c SAMHOP Microelectronics Corp. All Rights Reserved. 台北縣新店市民權路 100 7 號 樓 7F,No.100,Min-Chyuan Road, Hsintien, Taipei Hsien, Taiwan, R.O.C. ...
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... SAMHOP Microelectronics Corp. 8-BIT CONSTANT CURRENT LED DRIVER GENERAL DESCRIPTION The SM16705P/F/FN are specifically designed for LED display constant current drivers. This constant current output circuits is able to setup by external resistor ( 90mA). OUT This IC is monolithic integrated circuit designed to be used together with Bi-CMOS process. ...
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... SAMHOP Microelectronics Corp. 8-BIT CONSTANT CURRENT LED DRIVER PIN DESCRIPTION Pin NO Pin Name SERIAL- 5~ ENABLE 14 O SERIAL-OUT Function Description GND GND terminal Terminal of serial-data input to the shift register. CLOCK Input terminal of a clock for shift register on rising edge. ...
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... SAMHOP Microelectronics Corp. 8-BIT CONSTANT CURRENT LED DRIVER TRUTH TABLE CLOCK LATCH ENABLE DOWN X DOWN X Note : 1.OUT0~7=on when Dn="H" ; OUT0~7=off when Dn="L" order to ensure that the level of the power supply voltage is correct, an external resistor must be connected betwen R-EXT and GND ...
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... SAMHOP Microelectronics Corp. 8-BIT CONSTANT CURRENT LED DRIVER BLOCK DIAGRAM R-EXT I-REG. ENABLE LATCH SERIAL-IN CLOCK TIMING DIAGRAM CLOCK SERIAL-IN LATCH ENABLE OUT0 OUT1 OUT2 OUT7 SERIAL-OUT Note : Latches are level sensitive, not rising edges sensitive and not synchronous CLOCK. Input of LATCH-terminal to H Level, data passes latches, and input of LATCH -terminal to L level, data hold latches ...
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... SAMHOP Microelectronics Corp. 8-BIT CONSTANT CURRENT LED DRIVER MAXIMUM RATINGS ( Characteristic Supply Voltage Input Voltage Output Current Output Voltage Clock Frequency GND Terminal Current Power Dissipation Thermal Resistance Operating Termerature Storage Temperature (Note) DIP : Ambient temperature derated above 25 SOP/ SSOP: Ambient temperature delated above 25 ...
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... SAMHOP Microelectronics Corp. 8-BIT CONSTANT CURRENT LED DRIVER ELECTRICAL CHARACTERISTICS (V Characteristic Symbol "H" Level Input Voltage "L" Level Output Leakage Current Output SERIAL-OUT Voltage Output Current 1 Current Skew Output Current 2 Current Skew Supply Voltage Regulation % / V Pull-Up Resistor Pull-Down Resistor ...
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... SAMHOP Microelectronics Corp. 8-BIT CONSTANT CURRENT LED DRIVER SWITCHING CHARACTERISTICS ( Characteristic SERIAL-IN-OUTn LATCH-OUTn Propagation Delay Time ("L" to "H") ENABLE-OUTn CLOCK -SERIAL-OUT SERIAL-IN-OUTn LATCH-OUTn Propagation Delay Time ("H" to "L") ENABLE-OUTn CLOCK -SERIAL-OUT Output Rise Time ...
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... SAMHOP Microelectronics Corp. 8-BIT CONSTANT CURRENT LED DRIVER TEST CIRCUIT DC Characteristic ENABLE CLOCK I I IL, IH LATCH SERIAL- R-EXT lrext AC Characteristic V V IL, IH SW- MATRIX PRECAUTIONS FOR USING Utmost care is necessary in the design of the output line short-circuit between outputs, air contamination fault, or fault by improper grounding. ...
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... SAMHOP Microelectronics Corp. 8-BIT CONSTANT CURRENT LED DRIVER TIMING WAVEFORM 1. CLOCK, SERIAL-IN, SERIAL-OUT, OUTn CLOCK SERIAL-IN OUTn (current) SERIAL-OUT 2. CLOCK-LATCH CLOCK SERIAL-IN LATCH 3. ENABLE-OUTn ENABLE OUTn (Current CLK tw CLK 90% 90% 50% 50% 10% 10% t (D) t (D) setup hold 50% 50 90% 50% 10% ...
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... SAMHOP Microelectronics Corp. 8-BIT CONSTANT CURRENT LED DRIVER Output Current - Duty (LED turn-on rate 1.6 1.4 P FREE AIR 1.2 1 F/FN ON PCB 0.8 0.6 F/FN FREE AIR 0.4 0.2 0 -40 - Ambient Temerature Ta ( Output Current - Output Voltage 0.09 0.08 0.07 0.06 0.05 0.04 Ice 0.03 0.02 0.01 0 -0.01 0 0.5 Output Current - R 100 200 300 ...
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... SAMHOP Microelectronics Corp. 8-BIT CONSTANT CURRENT LED DRIVER [1] Output Current (I ) OUT I is set by the enternal resistor (R-EXT) as shown in Firgure1. OUT [2] Total supply voltage (V LED This device can operate at 0.4~0.7V (V voltage is consumed inside the device, that leads to more power dissipation. In order to minimize power dissipation and loss, we would like to recommend to set the total supply voltage ...
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... SAMHOP Microelectronics Corp. 8-BIT CONSTANT CURRENT LED DRIVER PACKAGE OUTLINE SM16705P 16 PIN DIP 16 1 19.18 + 0.51 2.54 1.524 Weight: 1.11g(Type 0.508 0.4572 Page 13 Unit : mm V.2.10 ...
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... SAMHOP Microelectronics Corp. 8-BIT CONSTANT CURRENT LED DRIVER PACKAGE OUTLINE SM16705F 16 PIN SOP 0.406 0.25 Page 14 Unit : mm 1.27 V.2.10 ...
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... SAMHOP Microelectronics Corp. 8-BIT CONSTANT CURRENT LED DRIVER PACKAGE OUTLINE SM16705FN 16 PIN SSOP 16 1 0.3 MAX 0.635 5.0 MAX 9 8 0.25 Page 15 Unit : mm 0.406~1.27 V.2.10 ...