MAX9667 - Maxim

MAX9667 Nonvolatile Programmable Gamma and VCOM Reference Voltages

The MAX9665/MAX9666/MAX9667 provide multiple programmable reference voltages for gamma correction in TFT LCDs and a programmable reference voltage for VCOM adjustment. All gamma and VCOM reference voltages have a 10-bit digital-to-analog converter (DAC) and buffer with high peak current. This reduces the recovery time of the output voltage when critical leve.

Features

o 6/8/10 Channels Gamma Correction, 10-Bit Resolution o VCOM Driver o Integrated Multiple-Time Programmable Memory o DAC Reference Input o Single-Wire and I2C Programming of VCOM Reference o 950mA Peak Transient Current on VCOM Channel Functional Diagrams AVDD REF 10 DAC 10 DAC 10 DAC MTP MEMORY I2C REGISTERS 10 DAC 10 DAC 10 DAC OUT0 OUT1 OUT2 OUT3 OUT4 OUT5 REF 16 AVDD 17 FB 18 VCOM 19 CTL 20 + MAX9665 EP
* 1 2345 10 OUT3 9 N.C. 8 OUT4 7 N.C. 6 OUT5 CE DVDD SCL SDA GND THIN QFN 5mm x 5mm
*EP = EXPOSED PAD. CONNECT TO DIGITAL GROUND PLANE. Pin Configurations continued at end.