DESCRIPTION

The µ PD160062 is a source driver for TFT-LCDs capable of dealing with displays with 64-gray scale. Data input is based on digital input configured as 6 bits by 6 dots (2 pixels), which can realize a full-color display of 260,000 colors by output of 64 values γ -corrected by an internal D/A converter and 5-by-2 external power modules.

Because the output dynamic range is as large as VSS2 +0.1 V to VDD2 –0.1 V, level inversion operation of the LCD’s common electrode is rendered unnecessary. Also, to be able to deal with dot-line inversion, n-line inversion and column line inversion when mounted on a single side, this source driver is equipped with a built-in 6-bit D/A converter circuit whose odd output pins and even output pins respectively output gray scale voltages of differing polarity.

Assuring a clock frequency of 45 MHz when driving at 2.3 V, this driver is applicable to SXGA+ standard TFT-LCD panels.

FEATURES

• CMOS level input (2.3 to 3.6 V)

• 420 outputs

• Input of 6 bits (gray scale data) by 6 dots

• Capable of outputting 64 values by means of 5-by-2 external power modules (10 units) and a D/A converter (R-DAC)

• Logic power supply voltage (VDD1) : 2.3 to 3.6 V

• Driver power supply voltage (VDD2) : 8.0 to 9.0 V

• High-speed data transfer: fCLK = 45 MHz (internal data transfer speed when operating at VDD1 = 2.3 V)

• Output dynamic range VSS2 +0.1 V to VDD2 –0.1 V

• Apply for dot-line inversion, n-line inversion and column line inversion

• Output voltage polarity inversion function (POL)

• Input data inversion function (capable of controlling by each input port) (POL21, POL22)

• Current consumption control function (LPC, HPC, Bcont)

• Slim chip