DATASHEET To request the full datasheet, please visit www.intersil.com/products/isl24858 15-Channel I2C Programmable TFT-LCD Reference Voltage Generator with Integrated EEPROM, and Ultra-low Power Operation ISL24858 Features The ISL24858 is a programmable reference voltage generator for TFT-LCDs featuring ultra-low power operation. The ISL24858 contains an I2C programmable, 10-bit, 14-channel gamma reference voltage generator with buffered outputs, a 10-bit programmable VCOM calibrator, a high output current VCOM amplifier, and internal EEPROM to store all reference voltage data. The EEPROM features an endurance of 10,000 write cycles. • 15-Channel Reference Voltage Outputs, I2C Programmable: Combining gamma and VCOM reference voltage generators with low power operation and EEPROM, the ISL24858 provides a complete reference voltage solution ideal for tablet, monitor, and mobile TFT-LCD applications. - 14-Channel Gamma References, 10-bit Resolution with Buffered Outputs - 1-Channel VCOM Calibrator with 10-bit Resolution • High Output Current VCOM Amplifier • Ultra-low Power Operation, Ideal for Tablet and Mobile Applications: Typical Quiescent Power, 12mW @ 8V AVDD • EEPROM Endurance: 10,000 Write Cycles - Read/Write Capable Over 2.25V to 3.6V DVDD Range • 6.3V to 19V Analog Supply Operating Range • 2.25V to 3.6V Digital Supply Operating Range The ISL24858 is available in a super thin 28 Ld 4x5mm X2QFN thermally enhanced package. It is specified for operation over the -40°C to +105°C ambient temperature range. • 28 Ld 4x5mm Super Thin X2QFN Package • Pb-free (RoHS Compliant) Applications • Tablet, Notebook, Monitor TFT-LCD • Mobile - 2D/3D TFT-LCD • General-Purpose Reference Voltage Generator GAMMA T F T -L C D P A N E L T IM IN G CONTRO L (T C O N ) C O L U M N D R IV E R S T F T -L C D S C R E E N IS L 2 4 8 5 8 G A M M A B U F F E R (C O L U M N D R IV E R D A C R E F E R E N C E V O L T A G E S ), A N D V C O M R E FE R EN C ES VCOM C A L IB R A T O R VCOM D R IV E R DATA L IN E GATE D R IV E R S STORAGE C A P A C IT O R SE LE C T L IN E L C P IX E L TFT COMMON (V C O M ) FIGURE 1. TYPICAL APPLICATION: TFT-LCD REFERENCE VOLTAGE GENERATOR August 2, 2012 FN8295.2 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 Inc. 2012. 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. I2C Bus™ is a trademark owned by NXP Semiconductors Netherlands, B.V. ISL24858 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 FN8295.2 August 2, 2012