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AD9736 Datasheet(PDF) 1 Page - Analog Devices |
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AD9736 Datasheet(HTML) 1 Page - Analog Devices |
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1 / 42 page  14/12/10-Bit, 1200 MSPS D/A Converters Preliminary Technical Data AD9736/AD9735/AD9734 FEATURES • 1.8/3.3 V Dual Supply Operation • AD9736 SFDR > 53 dBc to f OUT = 600 MHz • AD9736 IMD > 65 dBc to f OUT = 600 MHz • AD9736 DNL = ± 1.0 LSB • AD9736 INL = ± 2.0 LSB • Low power: 380 mW (I OUTFS = 20 mA; fOUT = 330 MHz) • LVDS data interface with on-chip 100 Ω terminations • Analog Output: Adjustable 10-30mA (RL=25 Ω to 50 Ω) • On-Chip 1.2 V Reference • 160 pin BGA Package APPLICATIONS • Instrumentation • Automatic Test Equipment • RADAR • Avionics • Wideband Communications Systems: Point-to-Point Wireless LMDS PA Linearization PRODUCT DESCRIPTION The AD9736, AD9735, and AD9734 are high performance, high frequency DACs that provide sample rates of up to 1200 MSPS, permitting multi-carrier generation up to their Nyquist frequency. The AD9736 is the 14 bit member of the family, while the AD9735 and the AD9734 are the 12 and 10 bit members, respectively. They include a serial peripheral interface (SPI) port that provides for programming many internal parameters and also enables read-back of status registers. They use a reduced specification LVDS interface to minimize data interface noise that may degrade performance. The output current can be programmed over a range of 10mA to 30mA. The AD9736 family is manufactured on a 0.18µm CMOS process and operates from 1.8V and 3.3V supplies for a total power consumption of 380mW in bypass mode. It is supplied in a 160 pin BGA package for reduced package parasitics. FUNCTIONAL BLOCK DIAGRAM Bandgap DATACLK_IN+ DATACLK_IN- DB[13:0]- DB[13:0]+ Clock Distribution SPI 14,12,10-Bit DAC IOUTA IOUTB 2X SDO SDI SCLK CSB Controller Reference Current DATACLK_OUT+ DATACLK_OUT- S1 S2 S3 C1 C2 C3 C2 C1 S1 S3 S2 C3 Figure 1. Functional Block Diagram PRODUCT HIGHLIGHTS Ultra-low Noise and Intermodulation Distortion (IMD) enable high quality synthesis of wideband signals at intermediate frequencies up to 600 MHz. Double Data Rate (DDR) LVDS data receivers support the maximum conversion rate of 1200 MSPS. Direct pin programmability of basic functions or SPI port access for complete control of all AD9736 family functions. Manufactured on a CMOS process, the AD9736 family uses a proprietary switching technique that enhances dynamic performance. The current output(s) of the AD9736 family can be easily configured for various single-ended or differential circuit topologies. Rev. PrJ 9/7/2004 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 rights of third parties that may result from its use. No license is granted by implication or otherwise under any patent or patent rights of Analog Devices. Trademarks and registered trademarks are the property of their respective companies. One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A. Tel: 781.329.4700 www.analog.com Fax: 781.326.8703 © 2004 Analog Devices, Inc. All rights reserved. |
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