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AD9958BCPZ Folha de dados(PDF) 1 Page - Analog Devices |
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AD9958BCPZ Folha de dados(HTML) 1 Page - Analog Devices |
1 / 44 page 2-Channel, 500 MSPS DDS with 10-Bit DACs AD9958 Rev. A Information furnished by Analog Devices is believed to be accurate and reliable. However, no responsibilityis assumedbyAnalogDevicesforitsuse,norforanyinfringementsof patentsorother rightsofthirdpartiesthatmayresultfromitsuse.Specificationssubjecttochangewithoutnotice.No license is granted by implication or otherwise under any patent or patent rights of Analog Devices. Trademarksandregisteredtrademarksarethepropertyoftheirrespectiveowners. One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A. Tel: 781.329.4700 www.analog.com Fax: 781.461.3113 © 2005–2008 Analog Devices, Inc. All rights reserved. FEATURES 2 synchronized DDS channels @ 500 MSPS Independent frequency/phase/amplitude control between channels Matched latencies for frequency/phase/amplitude changes Excellent channel-to-channel isolation (>72 dB) Linear frequency/phase/amplitude sweeping capability Up to 16 levels of frequency/phase/amplitude modulation (pin-selectable) 2 integrated 10-bit digital-to-analog converters (DACs) Individually programmable DAC full-scale currents 0.12 Hz or better frequency tuning resolution 14-bit phase offset resolution 10-bit output amplitude scaling resolution Serial I/O port interface (SPI) with 800 Mbps data throughput Software-/hardware-controlled power-down Dual supply operation (1.8 V DDS core/3.3 V serial I/O) Multiple device synchronization Selectable 4× to 20× REFCLK multiplier (PLL) Selectable REFCLK crystal oscillator 56-lead LFCSP APPLICATIONS Agile local oscillators Phased array radars/sonars Instrumentation Synchronized clocking RF source for AOTF Single-side band suppressed carriers Quadrature communications FUNCTIONAL BLOCK DIAGRAM RECONSTRUCTED SINE WAVE 10-BIT DAC RECONSTRUCTED SINE WAVE 10-BIT DAC (2) 500MSPS DDS CORES TIMING AND CONTROL USER INTERFACE MODULATION CONTROL REF CLOCK INPUT CIRCUITRY SYSTEM CLOCK SOURCE AD9958 Figure 1. |
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