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AD9952 View Datasheet(PDF) - Analog Devices

Part NameDescriptionManufacturer
AD9952 400 MSPS 14-Bit, 1.8 V CMOS Direct Digital Synthesizer ADI
Analog Devices ADI
AD9952 Datasheet PDF : 28 Pages
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400 MSPS 14-Bit, 1.8 V CMOS
Direct Digital Synthesizer
AD9952
FEATURES
400 MSPS internal clock speed
Integrated 14-bit DAC
32-bit tuning word
Phase noise ≤ –120 dBc/Hz @ 1 kHz offset (DAC output)
Excellent dynamic performance
>80 dB SFDR @ 160 MHz (±100 kHz offset) AOUT
Serial I/O control
1.8 V power supply
Software and hardware controlled power-down
48-lead TQFP/EP package
Support for 5 V input levels on most digital inputs
PLL REFCLK multiplier (4× to 20×)
Internal oscillator, can be driven by a single crystal
Phase modulation capability
Multichip synchronization
High speed comparator (200 MHz toggle rate)
APPLICATIONS
Agile LO frequency synthesis
Programmable clock generators
Test and measurement equipment
Acousto-optic device drivers
FUNCTIONAL BLOCK DIAGRAM
I/O UPDATE
SYNC_CLK
REFCLK
REFCLK
DDS CORE
PHASE
ACCUMULATOR
Z–1
32
PHASE
OFFSET
19
COS(X)
AD9952
14
DAC
14
SYSTEM
CLOCK
Z–1
DAC_RSET
IOUT
IOUT
32
14
0
M
U
X
SYNC
OSCILLATOR/BUFFER
ENABLE
4×–20×
CLOCK
MULTIPLIER
TIMING AND CONTROL LOGIC
÷4
CONTROL REGISTERS
M
U
X
SYSTEM
CLOCK
SYNC_IN
OSK
PWRDWNCTL
COMPARATOR
COMP_IN
COMP_IN
COMP_OUT
CRYSTAL OUT
I/O PORT
Figure 1.
RESET
Rev. 0
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.
Specifications subject to change without notice. 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 owners.
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 © 2003 Analog Devices, Inc. All rights reserved.
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