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TLC5945 Datasheet(PDF) 3 Page - Texas Instruments |
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TLC5945 Datasheet(HTML) 3 Page - Texas Instruments |
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3 / 29 page  www.ti.com RECOMMENDED OPERATING CONDITIONS DISSIPATION RATINGS TLC5945 SLVS755 – MARCH 2007 PARAMETER TEST CONDITIONS MIN NOM MAX UNIT DC Characteristics VCC Supply Voltage 3 5.5 V VO Voltage applied to output (OUT0 - OUT15) 17 V VIH High-level input voltage 0.8 VCC VCC V VIL Low-level input voltage GND 0.2 VCC V IOH High-level output current VCC = 5 V at SOUT –1 mA IOL Low-level output current VCC = 5 V at SOUT, XERR 1 mA IOLC Constant output current OUT0 to OUT15 80 mA TA Operating free-air temperature range –40 85 °C AC Characteristics VCC = 3 V to 5.5 V, TA = –40°C to 85°C (unless otherwise noted) Data shift clock f(SCLK) SCLK 30 MHz frequency Grayscale clock f(GSCLK) GSCLK 30 MHz frequency twh0/twl0 SCLK pulse duration SCLK = H/L (See Figure 6) 16 ns twh1/twl1 GSCLK pulse duration GSCLK = H/L (See Figure 6) 16 ns twh2 XLAT pulse duration XLAT = H (See Figure 6) 20 ns twh3 BLANK pulse duration BLANK = H (See Figure 6) 20 ns tsu0 SIN - SCLK ↑ (See Figure 6) 5 tsu1 SCLK ↓ - XLAT↑ (See Figure 6) 10 tsu2 MODE ↑↓ - SCLK↑ (See Figure 6) 10 Setup time ns tsu3 MODE ↑↓ - XLAT↑ (See Figure 6) 10 tsu4 BLANK ↓ - GSCLK↑ (See Figure 6) 10 tsu5 XLAT ↑ - GSCLK↑ (See Figure 6) 30 th0 SCLK ↑ - SIN (See Figure 6) 3 th1 XLAT ↓ - SCLK↑ (See Figure 6) 10 th2 Hold Time SCLK ↑ - MODE↑↓ (See Figure 6) 10 ns th3 XLAT ↓ - MODE↑↓ (See Figure 6) 10 th4 GSCLK ↑ - BLANK↑ (See Figure 6) 10 POWER RATING DERATING FACTOR POWER RATING POWER RATING PACKAGE TA < 25°C ABOVE TA = 25°C TA = 70°C TA = 85°C 28-pin HTSSOP with PowerPAD™ 3958 mW 31.67 mW/ °C 2533 mW 2058 mW soldered(1) 28-pin HTSSOP 2026 mW 16.21 mW/ °C 1296 mW 1053 mW without PowerPAD™ soldered 32-pin QFN(1) 3482 mW 27.86 mW/ °C 2228 mW 1811 mW (1) The PowerPAD is soldered to the PCB with a 2-oz. copper trace. See application report SLMA002 for further information. 3 Submit Documentation Feedback |
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