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TLC5947RHBTG4 Datasheet(PDF) 5 Page - Texas Instruments |
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TLC5947RHBTG4 Datasheet(HTML) 5 Page - Texas Instruments |
5 / 29 page SWITCHING CHARACTERISTICS FUNCTIONAL BLOCK DIAGRAM SCLK IREF XLAT GND G yscal ra e(12Bits 24Ch ´ annels)Data ShiftRegister 12BitsPWMTiming Control OUT0 Thermal Detection VCC OU 23 T SOUT 4 MHz Internal Oscillator OUT1 OU 22 T 288 LSB MSB 0 287 VCC SIN Grayscale(12Bits 24C ´ hannels)Data DataLatch LSB 0 288 MSB 287 BL NK A 24-Channel,C nstantCurre o ntDriver 24 D Q CK ¼ TLC5947 www.ti.com ................................................................................................................................................. SBVS114A – JULY 2008 – REVISED SEPTEMBER 2008 At VCC = 3.0 V to 5.5 V, TA = –40°C to +85°C, CL = 15 pF, RL = 150 Ω, RIREF = 1.6 kΩ, and VLED = 5.5 V. Typical values at VCC = 3.3 V and TA = +25°C, unless otherwise noted. TLC5947 PARAMETER TEST CONDITIONS MIN TYP MAX UNIT tR0 SOUT 10 15 ns Rise time tR1 OUTn 15 40 ns tF0 SOUT 10 15 ns Fall time tF1 OUTn 100 300 ns Internal oscillator fOSC 2.4 4 5.6 MHz frequency tD0 SCLK ↓ to SOUT 15 25 ns tD1 BLANK ↑ to OUT0 sink current off 20 40 ns tD2 Propagation delay time OUT0 current on to OUT1/5/9/13/17/21 current on 15 24 33 ns tD3 OUT0 current on to OUT2/6/10/14/18/22 current on 30 48 66 ns tD4 OUT0 current on to OUT3/7/11/15/19/23 current on 45 72 99 ns Copyright © 2008, Texas Instruments Incorporated Submit Documentation Feedback 5 Product Folder Link(s): TLC5947 |
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