DATASHEET To request the full datasheet, please visit www.intersil.com/products/isl24813 Programmable 18-Channel x 2 Bank, 10-Bit TFT-LCD VREF Generator with Buffered VCOM Calibrator ISL24813 Features The ISL24813 is an I2C programmable 18-channel, 10-bit • 18 I2C programmable 10-bit DACs reference voltage generator with a digitally controlled VCOM calibrator and op amp. Two selectable banks of 18 channels allow fast hardware or software switching between two different gamma curves. The ISL24813 is configured and controlled via a standard I2C interface. • Integrated programmable VCOM calibrator ISL24813 is available in a 32 Ld TQFN package and is specified for operation across the -40°C to +85°C temperature range. • One VCOM op amp • Two banks of volatile memory for DACs • 5V to 18V analog supply range • 2.5V to 3.3V digital supply range • 20mA analog supply current (unloaded) • 700µA digital supply current • I2C serial interface • Pb-free (RoHS compliant) Applications • TFT-LCD column driver reference generator • General-purpose reference voltage generators GAMMA TFT-LCD PANEL TIMING CONTROL (TCON) COLUMN DRIVERS TFT-LCD SCREEN ISL24813 Gamma Buffer (Column Driver DAC Reference Voltages) Vcom Calibrator Vcom Driver GATE DRIVERS SELECT LINE DATA LINE STORAGE CAPACITOR LC PIXEL TFT COMMON (Vcom) FIGURE 1. TYPICAL APPLICATION CIRCUIT October 30, 2014 FN6615.2 1 CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures. 1-888-INTERSIL or 1-888-468-3774 | Copyright Intersil Americas LLC. 2010, 2011, 2014. All Rights Reserved Intersil (and design) is a trademark owned by Intersil Corporation or one of its subsidiaries. All other trademarks mentioned are the property of their respective owners. ISL24813 For additional products, see www.intersil.com/en/products.html Intersil products are manufactured, assembled and tested utilizing ISO9001 quality systems as noted in the quality certifications found at www.intersil.com/en/support/qualandreliability.html Intersil products are sold by description only. Intersil Corporation reserves the right to make changes in circuit design, software and/or specifications at any time without notice. Accordingly, the reader is cautioned to verify that data sheets are current before placing orders. Information furnished by Intersil is believed to be accurate and reliable. However, no responsibility is assumed by Intersil or its subsidiaries for its use; nor for any infringements of patents or other rights of third parties which may result from its use. No license is granted by implication or otherwise under any patent or patent rights of Intersil or its subsidiaries. For information regarding Intersil Corporation and its products, see www.intersil.com Submit Document Feedback 2 FN6615.2 October 30, 2014