ESIGNS FO R N E W D D E D N E M M N OT R E C O LACEMENT ENDED REP ter at N O R E C O MM Support Cen al ic n ch Te r com/tsc contact ou www.intersil. r o IL S R E T To request the full datasheet, please visit www.intersil.com/products/isl24821 1-888-IN ISL24821 Data Sheet March 28, 2008 12-Channel Programmable Switchable I2C TFT-LCD Reference Voltage Generator with Integrated 1-Channel Op Amp and VCOM Calibrator FN6680.0 Features • 12-Channel Programmable Switchable • 1 Op Amp The ISL24821 is a 12-channel programmable switchable reference voltage generator with 1-Channel of op amp gamma drivers and integrated VCOM calibrator, for a complete 13-channel total solution for TFT-LCD displays. • Integrated Programmable VCOM Calibrator ISL24821 includes an I2C interface for programming the offset values. • Supply Current of 20mA (Without Load) ISL24821 is available in a 32 Ld TQFN package and is specified for operation over the -40°C to +85°C temperature range. ISL24821IRTZ PART MARKING • Digital Supply 3.3V • Rail-to-rail Capability • I2C Interface • Pb-Free (RoHS Compliant) Applications Ordering Information PART NUMBER (Note) • Programmable with 15mV Resolution • TFT-LCD Drive Circuits PACKAGE (Pb-free) PKG. DWG. # ISL248 21IRTZ 32 Ld 5x5 TQFN MDP0051 • Reference Voltage Generators Pinout ISL24821 (32 LD TQFN) TOP VIEW ISL24821IRTZ-T13* ISL248 21IRTZ 32 Ld 5x5 TQFN MDP0051 BANK_SELECT STD_REG DVDD SET INPCOM/DVR_OUT INNCOM OUTCOM NOTE: These Intersil Pb-free plastic packaged products employ special Pb-free material sets; molding compounds/die attach materials and 100% matte tin plate PLUS ANNEAL - e3 termination finish, which is RoHS compliant and compatible with both SnPb and Pb-free soldering operations. Intersil Pb-free products are MSL classified at Pb-free peak reflow temperatures that meet or exceed the Pb-free requirements of IPC/JEDEC J STD-020. REFIN *Please refer to TB347 for details on reel specifications. 32 31 30 29 28 27 26 25 OUT1 1 24 OUT12 OUT2 2 23 OUT11 OUT3 3 22 OUT10 NC 4 GND 5 AVDD 6 19 AVDD NC 7 18 NC NC 8 17 NC 21 NC THERMAL PAD 9 10 11 12 13 14 15 16 OUT4 OUT5 OUT6 SDA SCL OUT7 OUT8 OUT9 20 GND THERMAL PAD CONNECTS TO GND 1 CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures. 1-888-INTERSIL or 1-888-468-3774 | Intersil (and design) is a registered trademark of Intersil Americas Inc. Copyright Intersil Americas Inc. 2008. All Rights Reserved All other trademarks mentioned are the property of their respective owners. ISL24821 All Intersil U.S. products are manufactured, assembled and tested utilizing ISO9001 quality systems. Intersil Corporation’s quality certifications can be viewed at www.intersil.com/design/quality 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 2 FN6680.0 March 28, 2008