4-, 5-, 6-Channel, Muxed Input Line Inversion LCD Gamma Buffers ADD8504/ADD8505/ADD8506 FEATURES PIN CONFIGURATION DIAGRAMS Single-supply operation: 3.3 V to 6.5 V INA1 1 16 OUT1 Rail-to-rail input, rail-to-rail output INB1 2 15 OUT2 High output current: 380 mA INA2 3 14 VCC1 Low supply current: 3.9 mA INB2 4 13 A/B Stable with 1 nF loads INA3 5 12 GND Wide temperature range: 40C to +105C INB3 6 11 GND 16-, 20-, and 24-lead, Pb-free, TSSOP packages INA4 7 10 OUT3 Qualified for automotive applications INB4 8 9 OUT4 Figure 1. ADD8504, 4-Channel Buffer APPLICATIONS LCD line inversion gamma references INA1 1 20 VCC1 Car navigation panels INB1 2 19 OUT1 Personal media player panels INA2 3 18 OUT2 Automotive infotainment systems INB2 4 17 OUT3 INA3 5 16 VCC2 INB3 6 15 A/B GENERAL DESCRIPTION INA4 7 14 GND The ADD8504, ADD8505, and ADD8506 are 4-, 5-, and INB4 8 13 GND 6-channel LCD gamma reference buffers designed to drive INA5 9 12 OUT4 column driver gamma inputs in line inversion panels. Each INB5 10 11 OUT5 buffer channel has an A/B input to select between two gamma voltage curves. These buffer channels drive the resistor ladders Figure 2. ADD8505, 5-Channel Buffer of LCD column drivers for gamma correction. The ADD8504/ INA1 1 24 VCC1 ADD8505/ADD8506 outputs have high slew rates and output INB1 2 23 OUT1 drives that increase the stability of the reference ladder resulting INA2 3 22 OUT2 in optimal gray scale and visual performance. INB2 4 21 OUT3 The ADD8504/ADD8505/ADD8506 are specified over the INA3 5 20 VCC2 40C to +105C temperature range. They are available, respec- INB3 6 19 A/B tively, in 16-, 20-, and 24-lead thin shrink small outline (TSSOP), INA4 7 18 GND surface-mount, Pb-free packages. The ADD8506 is also offered INB4 8 17 GND in a leaded TSSOP. INA5 9 16 OUT4 INB5 10 15 OUT5 The ADD8506WWARUZR7 is the automotive grade version. INA6 11 14 OUT6 INB6 12 13 VCC3 Figure 3. ADD8506, 6-Channel Buffer Rev. 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Trademarks and registered trademarks are the property of their respective owners. 05549-003 05549-002 05549-001ADD8504/ADD8505/ADD8506 TABLE OF CONTENTS Features .............................................................................................. 1 ESD Performance ..........................................................................4 Applications ....................................................................................... 1 ESD Caution...................................................................................4 General Description ......................................................................... 1 Pin Configurations and Function Descriptions ............................5 Pin Configuration Diagrams ........................................................... 1 Typical Performance Characteristics ..............................................6 Revision History ............................................................................... 2 Applications Information .................................................................7 Specif icat ions ..................................................................................... 3 Outline Dimensions ..........................................................................8 Electrical Characteristics ............................................................. 3 Ordering Guide .............................................................................9 Absolute Maximum Ratings ............................................................ 4 Automotive Ordering Guide ........................................................9 Thermal Resistance ...................................................................... 4 Automotive Products ....................................................................9 REVISION HISTORY 6/10Rev. C to Rev. D 10/05Rev. 0 to Rev. A Change to Features Section, Applications Section, and General Added ADD8504 and ADD8505...................................... Universal Description Section .......................................................................... 1 Changes to Specifications Section ................................................... 3 Changes to Ordering Guide ............................................................ 9 Updated Outline Dimensions .......................................................... 7 Added Automotive Ordering Guide and Automotive Products Changes to Ordering Guide ............................................................. 7 Section ................................................................................................ 9 9/05Revision 0: Initial Version 9/07Rev. B to Rev. C Change to General Description ...................................................... 1 Change to Ordering Guide .............................................................. 9 1/06Rev. A to Rev. B Added Pin Configurations and Function Descriptions Section ........................................................................ 5 Added Table 5 .................................................................................... 8 Rev. D Page 2 of 12