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參數(shù)資料
型號: AD9957/PCBZ
廠商: Analog Devices Inc
文件頁數(shù): 56/64頁
文件大?。?/td> 0K
描述: BOARD EVAL AD9957 QUADRATURE MOD
產(chǎn)品培訓模塊: 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
設(shè)計資源: AD9957 Eval Brd Schematic
AD9957 BOM
AD9957 Gerber Files
標準包裝: 1
系列: AgileRF™
主要目的: 計時:DDS 調(diào)制器
嵌入式:
已用 IC / 零件: AD9957
主要屬性: 14 位數(shù)模轉(zhuǎn)換器,32 位調(diào)節(jié)字寬
次要屬性: 1GHz 圖形用戶界面
已供物品: 板,軟件
產(chǎn)品目錄頁面: 552 (CN2011-ZH PDF)
相關(guān)產(chǎn)品: AD9957BSVZ-ND - IC DDS 1GSPS 14BIT IQ 100TQFP
AD9957BSVZ-REEL-ND - IC DDS 1GSPS 14BIT IQ 100TQFP
AD9957
Data Sheet
Rev. C | Page 6 of 64
Parameter
Test Conditions/Comments
Min
Typ
Max
Unit
NOISE SPECTRAL DENSITY (NSD)
Single Tone
fOUT = 20.1 MHz
167
dBm/Hz
fOUT = 98.6 MHz
162
dBm/Hz
fOUT = 201.1 MHz
157
dBm/Hz
fOUT = 397.8 MHz
151
dBm/Hz
TWO-TONE INTERMODULATION DISTORTION (IMD)
I/Q rate = 62.5 MSPS; 16× interpolation
fOUT = 25 MHz
82
dBc
fOUT = 50 MHz
78
dBc
fOUT = 100 MHz
73
dBc
MODULATOR CHARACTERISTICS
Input Data
Error Vector Magnitude
2.5 Msymbols/s, QPSK, 4× oversampled
0.53
%
270.8333 ksymbols/s, GMSK, 32×
oversampled
0.77
%
2.5 Msymbols/s, 256-QAM, 4×
oversampled
0.35
%
WCDMA—FDD (TM1), 3.84 MHz Bandwidth,
5 MHz Channel Spacing
Adjacent Channel Leakage Ratio (ACLR)
IF = 143.88 MHz
78
dBc
Carrier Feedthrough
78
dBc
SERIAL PORT TIMING CHARACTERISTICS
Maximum SCLK Frequency
70
Mbps
Minimum SCLK Pulse Width
Low
4
ns
High
4
ns
Maximum SCLK Rise/Fall Time
2
ns
Minimum Data Setup Time to SCLK
5
ns
Minimum Data Hold Time to SCLK
0
ns
Maximum Data Valid Time in Read Mode
11
ns
I/O_UPDATE/PROFILE<2:0>/RT TIMING CHARACTERISTICS
Minimum Pulse Width
High
1
SYNC_CLK
cycle
Minimum Setup Time to SYNC_CLK
1.75
ns
Minimum Hold Time to SYNC_CLK
0
ns
I/Q INPUT TIMING CHARACTERISTICS
Maximum PDCLK Frequency
250
MHz
Minimum I/Q Data Setup Time to PDCLK
1.75
ns
Minimum I/Q Data Hold Time to PDCLK
0
ns
Minimum TxEnable Setup Time to PDCLK
1.75
ns
Minimum TxEnable Hold Time to PDCLK
0
ns
MISCELLANEOUS TIMING CHARACTERISTICS
Wake-Up Time3
1
Fast Recovery Mode
8
SYSCLK cycles4
Full Sleep Mode
150
μs
Minimum Reset Pulse Width High
5
SYSCLK cycles4
DATA LATENCY (PIPELINE DELAY)
Data Latency Single Tone Mode
Frequency, Phase-to-DAC Output
79
SYSCLK cycles4
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