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Analog Devices - 500 MSPS DDS

Numéro de référence AD9958
Description 500 MSPS DDS
Fabricant Analog Devices 
Logo Analog Devices 





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AD9958 fiche technique
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.
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.
Trademarksandregisteredtrademarksarethepropertyoftheirrespectiveowners.
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781.329.4700 ©2005–2016 Analog Devices, Inc. All rights reserved.
Technical Support
www.analog.com

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