AD8614ARTZ Analog Devices

Single and Quad 18 V Operational Amplifiers AD8614/AD8644 FEATURES PIN CONFIGURATIONS Unity-gain bandwidth: 5.5 MHz OUT A 1 5 V+ Low voltage offset: 1.0 mV AD8614 Slew rate: 7.5 V/s V 2 TOP VIEW (Not to Scale) Single-supply operation: 5 V to 18 V +IN 3 4 IN High output current: 70 mA Low supply current: 800 A/amplifier Figure 1. 5-Lead SOT-23 Stable with large capacitive loads (RJ-5) Rail-to-rail inputs and outputs OUT A 1 14 OUT D APPLICATIONS 2 IN A 13 IN D LCD gamma and VCOM drivers 3 +IN A AD8644 12 +IN D TOP VIEW Modems 4 11 V+ V (Not to Scale) Portable instrumentation 5 10 +IN B +IN C Direct access arrangement 6 9 IN B IN C 7 8 OUT B OUT C GENERAL DESCRIPTION Figure 2. 14-Lead TSSOP The AD8614 (single) and AD8644 (quad) are single-supply, (RU-14) 5.5 MHz bandwidth, rail-to-rail amplifiers optimized for LCD monitor applications. OUT A 1 14 OUT D IN A 2 13 IN D They are processed using the Analog Devices, Inc. high voltage, +IN A 3 12 +IN D AD8644 extra fast complementary bipolar (HV XFCB) process. This TOP VIEW V+ 4 11 V (Not to Scale) proprietary process includes trench-isolated transistors that 5 10 +IN B +IN C lower internal parasitic capacitance, which improves gain IN B 6 9 IN C bandwidth, phase margin, and capacitive load drive. The low OUT B 7 8 OUT C supply current of 800 A (typical) per amplifier is critical for Figure 3. 14-Lead Narrow Body SOIC portable or densely packed designs. In addition, the rail-to-rail (R-14) output swing provides greater dynamic range and control than standard video amplifiers provide. These products operate from supplies of 5 V to as high as 18 V. The unique combination of an output drive of 70 mA, high slew rates, and high capacitive drive capability makes the AD8614/AD8644 an ideal choice for LCD applications. The AD8614 and AD8644 are specified over the temperature range of 20C to +85C. They are available in 5-lead SOT-23, 14-lead TSSOP, and 14-lead SOIC surface-mount packages in tape and reel. Rev. B Information furnished by Analog Devices is believed to be accurate and reliable. However, no responsibility is assumed by Analog Devices for its use, nor for any infringements of patents or other One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A. rights of third parties that may result from its use. Specifications subject to change without notice. No Tel: 781.329.4700 www.analog.com license is granted by implication or otherwise under any patent or patent rights of Analog Devices. Fax: 781.461.3113 19992007 Analog Devices, Inc. All rights reserved. Trademarks and registered trademarks are the property of their respective owners. 06485-001 06485-003 06485-002AD8614/AD8644 TABLE OF CONTENTS Features .............................................................................................. 1 Output Short-Circuit Protection.................................................9 Applications....................................................................................... 1 Input Overvoltage Protection ................................................... 10 General Description ......................................................................... 1 Output Phase Reversal............................................................... 10 Pin Configurations ........................................................................... 1 Power Dissipation....................................................................... 10 Revision History ............................................................................... 2 Unused Amplifiers ..................................................................... 10 Specifications..................................................................................... 3 Capacitive Load Drive ............................................................... 11 Electrical Characteristics............................................................. 3 Direct Access Arrangement ...................................................... 11 Absolute Maximum Ratings............................................................ 4 A One-Chip Headphone/Microphone Preamplifier Solution........................................................................................ 11 Thermal Resistance ...................................................................... 4 Outline Dimensions....................................................................... 13 ESD Caution.................................................................................. 4 Ordering Guide .......................................................................... 14 Typical Performance Characteristics ............................................. 5 Theory of Operation ........................................................................ 9 REVISION HISTORY 9/07Rev. A to Rev B Change to Current Noise Density in Table 1 ................................ 3 12/06Rev. 0 to Rev. A Updated Format..................................................................Universal Deleted SPICE Model Availability Section.................................. 12 Updated Outline Dimensions ....................................................... 13 Changes to Ordering Guide .......................................................... 14 10/99Revision 0: Initial Version Rev. B Page 2 of 16