參數(shù)資料
型號(hào)： AD9952YSVZ-REEL7
廠商： Analog Devices Inc
文件頁(yè)數(shù)： 1/28頁(yè)
文件大小： 0K
描述： IC DDS DAC 14BIT 1.8V 48TQFP
產(chǎn)品培訓(xùn)模塊： Direct Digital Synthesis Tutorial Series (1 of 7): Introduction
Direct Digital Synthesizer Tutorial Series (7 of 7): DDS in Action
Direct Digital Synthesis Tutorial Series (3 of 7): Angle to Amplitude Converter
Direct Digital Synthesis Tutorial Series (6 of 7): SINC Envelope Correction
Direct Digital Synthesis Tutorial Series (4 of 7): Digital-to-Analog Converter
Direct Digital Synthesis Tutorial Series (2 of 7): The Accumulator
標(biāo)準(zhǔn)包裝： 500
分辨率（位）： 14 b
主 fclk： 400MHz
調(diào)節(jié)字寬（位）： 32 b
電源電壓： 1.71 V ~ 1.96 V
工作溫度： -40°C ~ 105°C
安裝類型： 表面貼裝
封裝/外殼： 48-TQFP 裸露焊盤
供應(yīng)商設(shè)備封裝： 48-TQFP 裸露焊盤（7x7）
包裝： 帶卷 (TR)
400 MSPS 14-Bit, 1.8 V CMOS
Direct Digital Synthesizer
AD9952
Rev. B
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
Fax: 781.461.3113
2003–2009 Analog Devices, Inc. All rights reserved.
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
GENERAL DESCRIPTION
The AD9952 is a direct digital synthesizer (DDS) featuring a
14-bit DAC (digital-to-analog converter) and operating up to
400 MSPS. The AD9952 uses advanced DDS technology,
coupled with an internal high speed, high performance DAC to
form a digitally programmable, complete high frequency
synthesizer capable of generating a frequency-agile analog
output sinusoidal waveform at up to 200 MHz. The AD9952 is
designed to provide fast frequency hopping and fine tuning
resolution (32-bit frequency tuning word). The frequency
tuning and control words are loaded into the AD9952 via a
serial I/O port.
The AD9952 is specified to operate over the extended industrial
temperature range of 40°C to +105°C.
FUNCTIONAL BLOCK DIAGRAM
COS(X)
CONTROL REGISTERS
OSCILLATOR/BUFFER
SYNC
ENABLE
I/O UPDATE
DAC_RSET
DDS CORE
PHASE
OFFSET
PHASE
ACCUMULATOR
Z–1
IOUT
OSK
PWRDWNCTL
REFCLK
CRYSTAL OUT
I/O PORT
DD
S
C
L
O
C
K
FR
E
Q
U
E
N
C
Y
T
UNI
NG
W
O
RD
CL
E
AR
P
HA
S
E
ACC
UM
U
L
A
T
O
R
AM
P
L
IT
UDE
S
CAL
E
F
AC
TO
R
DAC
SYSTEM
CLOCK
SYSTEM
CLOCK
SYNC_IN
SYNC_CLK
RESET
TIMING AND CONTROL LOGIC
4× TO 20×
CLOCK
MULTIPLIER
÷ 4
AD9952
32
14
19
14
0
M
U
X
M
U
X
COMPARATOR
COMP_OUT
COMP_IN
03
35
8-
00
1
Figure 1.
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