Datasheet TLC5940 (Texas Instruments) - 8

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TLC5940
SLVS515D – DECEMBER 2004 – REVISED NOVEMBER 2015
www.ti.com 6.6 Switching Characteristics
VCC = 3V to 5.5V, TA = -40°C to 85°C (unless otherwise noted)
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
tr0 SOUT 16 Rise time ns tr1 OUTn, VCC = 5 V, TA = 60°C, DCn = 3 Fh 10 30 tf0 SOUT 16 Fall time ns tf1 OUTn, VCC = 5 V, TA = 60°C, DCn = 3 Fh 10 30 tpd0 SCLK to SOUT (see Figure 11) 30 ns tpd1 BLANK to OUT0 60 ns tpd2 OUTn to XERR (see Figure 11) 1000 ns Propagation delay time tpd3 GSCLK to OUT0 (see Figure 11) 60 ns tpd4 XLAT to IOUT (dot correction) (see Figure 11) 60 ns tpd5 DCPRG to OUT0 (see Figure 11) 30 ns td Output delay time OUTn to OUT(n+1) (see Figure 11) 20 30 ns ton-err Output on-time error touton– Tgsclk (see Figure 11), GSn = 01h, GSCLK = 11 MHz 10 –50 –90 ns 8 Submit Documentation Feedback Copyright © 2004–2015, Texas Instruments Incorporated Product Folder Links: TLC5940 Document Outline 1 Features 2 Applications 3 Description Table of Contents 4 Revision History 5 Pin Configuration and Functions 6 Specifications 6.1 Absolute Maximum Ratings 6.2 ESD Ratings 6.3 Recommended Operating Conditions 6.4 Thermal Information 6.5 Electrical Characteristics 6.6 Switching Characteristics 6.7 Typical Characteristics 7 Parameter Measurement Information 7.1 Test Parameter Equations 8 Detailed Description 8.1 Overview 8.2 Functional Block Diagram 8.3 Feature Description 8.3.1 Serial Interface 8.3.2 Error Information Output 8.3.3 TEF: Thermal Error Flag 8.3.4 LOD: LED Open Detection 8.3.5 Delay Between Outputs 8.3.6 Output Enable 8.3.7 Setting Maximum Channel Current 8.4 Device Functional Modes 8.4.1 Operating Modes 8.4.2 Setting DOT Correction 8.4.3 Setting Grayscale 8.4.4 Status Information Output 8.4.5 Grayscale PWM Operation 9 Application and Implementation 9.1 Application Information 9.2 Typical Application 9.2.1 Design Requirements 9.2.2 Detailed Design Procedure 9.2.2.1 Serial Data Transfer Rate 9.2.2.2 Grayscale (GS) Data 9.2.3 Application Curve 10 Power Supply Recommendations 11 Layout 11.1 Layout Guidelines 11.2 Layout Example 11.3 Power Dissipation Calculation 12 Device and Documentation Support 12.1 Community Resources 12.2 Trademarks 12.3 Electrostatic Discharge Caution 12.4 Glossary 13 Mechanical, Packaging, and Orderable Information