AD9958 Datasheet PDF - Analog Devices

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AD9958
Analog Devices

Part Number AD9958
Description 500 MSPS DDS
Page 30 Pages


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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
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Tel: 781.329.4700 ©2005–2016 Analog Devices, Inc. All rights reserved.
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AD9958 datasheet pdf
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