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AD9958

Analog Devices
Part Number AD9958
Manufacturer Analog Devices
Description 500 MSPS DDS
Published Apr 28, 2010
Detailed Description Data Sheet FEATURES 2 synchronized DDS channels @ 500 MSPS Independent frequency/phase/amplitude control between channel...
Datasheet PDF File AD9958 PDF File

AD9958
AD9958

Overview
Data Sheet 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 2-Channel, 500 MSPS DDS with 10-Bit DACs AD9958 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 AD9958 (2) 500MSPS DDS CORES 10-BIT DAC 10-BIT DAC RECONSTRUCTED SINE WAVE RECONSTRUCTED SINE WAVE SYSTEM CLOCK SOURCE MODULATION CONTROL REF CLOCK INPUT CIRCUITRY TIMING AND CONTROL USER INTERFACE Figure 1.
05252-000 Rev.
C Document Feedback Information furnished by Analog Devices is believed to be accurate and reliable.
However, no responsibilityisassumedbyAnalogDevices for itsuse,nor foranyinfringementsofpatentsor other rights of third parties that may result from its use.
Specifications subject to change without notice.
No license is granted by implication or otherwise under any patent or patent rights of Analog Devices.
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Box 9106, Norwood, MA 02062-9106, U.
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All rights reserved.
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