參數(shù)資料
型號(hào)： AD9775EB
廠商： Analog Devices, Inc.
英文描述： 14-Bit, 160 MSPS 2X/4X/8X Interpolating Dual TxDAC+ D/A Converter
中文描述： 14位，160 MSPS的2X/4X/8X TxDAC系列插雙D / A轉(zhuǎn)換
文件頁(yè)數(shù)： 26/48頁(yè)
文件大?。?/td> 6054K
代理商： AD9775EB
REV. 0
AD9775
–26–
MODULATION, NO INTERPOLATION
With Control Register 01h, Bits 7 and 6 set to “00,” the inter-
polation function on the AD9775 is disabled. Figures 25a–25d
show the DAC output spectral characteristics of the AD9775 in
the various modulation modes, all with the interpolation filters
disabled. The modulation frequency is determined by the state
of Control Register 01h, Bits 5 and 4. The tall rectangles
represent the digital domain spectrum of a baseband signal of
narrow bandwidth. By comparing the digital domain spectrum
to the DAC SIN(x)/x roll-off, an estimate can be made for the
characteristics required for the DAC reconstruction filter. Note
also, per the previous discussion on amplitude modulation, that
the spectral components (where modulation is set to f
S
/4 or f
S
/8)
are scaled by a factor of 2. In the situation where the modula-
tion is f
S
/2, the modulated spectral components add constructively
and there is no scaling effect.
f
OUT
(
f
DATA
)
0
0.2
A
–100
0
–80
–60
–40
–20
0.4
0.6
0.8
1.0
Figure 25a. No Interpolation, Modulation Disabled
f
OUT
(
f
DATA
)
0
0.2
A
–100
0
–80
–60
–40
–20
0.4
0.6
0.8
1.0
Figure 25b. No Interpolation, Modulation = f
DAC
/2
f
OUT
(
f
DATA
)
0
0.2
A
–100
0
–80
–60
–40
–20
0.4
0.6
0.8
1.0
Figure 25c. No Interpolation, Modulation = f
DAC
/4
f
OUT
(
f
DATA
)
0
0.2
A
–100
0
–80
–60
–40
–20
0.4
0.6
0.8
1.0
Figure 25d. No Interpolation, Modulation = f
DAC
/8
Figure 25. Effects of Digital Modulation on DAC Output Spectrum, Interpolation Disabled
相關(guān)PDF資料
PDF描述
AD9777 16-Bit, 160 MSPS 2X/4X/8X Interpolating Dual TxDAC+ D/A Converter
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AD9777EB 16-Bit, 160 MSPS 2X/4X/8X Interpolating Dual TxDAC+ D/A Converter
AD977 16-Bit, 100 kSPS BiCMOS A/D Converter(100kSPS 16位A/D轉(zhuǎn)換器)
AD977A 16-Bit, 200 kSPS BiCMOS A/D Converter(200kSPS 16位A/D轉(zhuǎn)換器)
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
AD9775-EB 制造商:Analog Devices 功能描述:EVAL BOARD - Bulk
AD9775-EBZ 功能描述:BOARD EVALUATION FOR AD9775 RoHS:是 類(lèi)別:編程器，開(kāi)發(fā)系統(tǒng) >> 評(píng)估板 - 數(shù)模轉(zhuǎn)換器 (DAC) 系列:TxDAC+® 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:1 系列:- DAC 的數(shù)量:4 位數(shù):12 采樣率（每秒）:- 數(shù)據(jù)接口:串行，SPI? 設(shè)置時(shí)間:3µs DAC 型:電流/電壓 工作溫度:-40°C ~ 85°C 已供物品:板 已用 IC / 零件:MAX5581
AD9776 制造商:AD 制造商全稱(chēng):Analog Devices 功能描述:400 MHz to 6 GHz Broadband Quadrature Modulator
AD9776A 制造商:AD 制造商全稱(chēng):Analog Devices 功能描述:Dual, 12-/14-/16-Bit,1 GSPS Digital-to-Analog Converters
AD9776ABSVZ 功能描述:IC DAC 12BIT 1.0GSPS 100TQFP RoHS:是 類(lèi)別:集成電路 (IC) >> 數(shù)據(jù)采集 - 數(shù)模轉(zhuǎn)換器 系列:- 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:50 系列:- 設(shè)置時(shí)間:4µs 位數(shù):12 數(shù)據(jù)接口:串行 轉(zhuǎn)換器數(shù)目:2 電壓電源:單電源 功率耗散（最大）:- 工作溫度:-40°C ~ 85°C 安裝類(lèi)型:表面貼裝 封裝/外殼:8-TSSOP，8-MSOP（0.118"，3.00mm 寬） 供應(yīng)商設(shè)備封裝:8-uMAX 包裝:管件 輸出數(shù)目和類(lèi)型:2 電壓，單極 采樣率（每秒）:* 產(chǎn)品目錄頁(yè)面:1398 (CN2011-ZH PDF)
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