參數(shù)資料
型號： DAC5674EVM
廠商： Texas Instruments
文件頁數(shù)： 8/39頁
文件大小： 0K
描述： EVAL MODULE FOR DAC5674
產(chǎn)品培訓(xùn)模塊： Data Converter Basics
標(biāo)準(zhǔn)包裝： 1
系列： CommsDAC™
DAC 的數(shù)量： 1
位數(shù)： 14
采樣率（每秒）： 400M
數(shù)據(jù)接口： 并聯(lián)
設(shè)置時間： 20ns
DAC 型： 電流
工作溫度： -40°C ~ 85°C
已供物品： 板
已用 IC / 零件： DAC5674
相關(guān)產(chǎn)品： DAC5674IPHPRG4-ND - IC DAC 14BIT 400MSPS 48-HTQFP
DAC5674IPHPR-ND - IC DAC 14BIT 400MSPS 48-HTQFP
DAC5674IPHPG4-ND - IC DAC 14BIT 400MSPS 48-HTQFP
296-15726-ND - IC DAC 14BIT 400MSPS 48-HTQFP
其它名稱： 296-30860
DAC5674EVM-ND
DAC5674
SLWS148A SEPTEMBER 2003 REVISED OCTOBER 2005
www.ti.com
16
Low-Pass/High-Pass 4
y Interpolation Filter Operation
By configuring the low-pass filters as high-pass filters, the user can select one of the images present at multiples
of the clock. Figure 17 shows the low-pass/high-pass filter response. After digital filtering, the DAC transmits
at 2Fdata IF and 2Fdata + IF. This configuration is equivalent to sub-sampling receiver systems where a
high-speed analog-to-digital converter samples high IF frequencies with relatively low sample rates, resulting
in low (output) data rates.
The placement of the IF in the first Nyquist zone combined with the DAC5674 input data determines the final
output signal frequency. For Fdata = 100 MSPS and a fundamental IF of 0.4 × Fdata = 40 MHz, this would translate
into images located at 160 MHz and 240 MHz. Note that this is the equivalent of mixing a 40-MHz analog IF
signal with a 200-MHz sine wave. By doing this, the first mixer in the total transmission chain is eliminated.
Input Spectrum
Output of DUC
1st 2x
interpolation
filter
Spectrum after
2x interpolation
2nd 2x
interpolation
filter
Spectrum after
4x interpolation
Fdata
=
Fdac
80 dB of
Attenuation
HPF filters out
unwanted
image
HPF filters out
unwanted
image
Figure 17. Low-Pass/High-Pass 4
y Interpolation Filter Operation
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
DAC5674IPHP 功能描述:數(shù)模轉(zhuǎn)換器- DAC 14-Bit 400 CommsDAC RoHS:否 制造商:Texas Instruments 轉(zhuǎn)換器數(shù)量:1 DAC 輸出端數(shù)量:1 轉(zhuǎn)換速率:2 MSPs 分辨率:16 bit 接口類型:QSPI, SPI, Serial (3-Wire, Microwire) 穩(wěn)定時間:1 us 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-14 封裝:Tube
DAC5674IPHPG4 功能描述:數(shù)模轉(zhuǎn)換器- DAC 14-Bit 400 CommsDAC RoHS:否 制造商:Texas Instruments 轉(zhuǎn)換器數(shù)量:1 DAC 輸出端數(shù)量:1 轉(zhuǎn)換速率:2 MSPs 分辨率:16 bit 接口類型:QSPI, SPI, Serial (3-Wire, Microwire) 穩(wěn)定時間:1 us 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-14 封裝:Tube
DAC5674IPHP-ND 制造商: 功能描述: 制造商:undefined 功能描述:
DAC5674IPHPR 功能描述:數(shù)模轉(zhuǎn)換器- DAC 14-Bit 400 CommsDAC RoHS:否 制造商:Texas Instruments 轉(zhuǎn)換器數(shù)量:1 DAC 輸出端數(shù)量:1 轉(zhuǎn)換速率:2 MSPs 分辨率:16 bit 接口類型:QSPI, SPI, Serial (3-Wire, Microwire) 穩(wěn)定時間:1 us 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-14 封裝:Tube
DAC5674IPHPRG4 功能描述:數(shù)模轉(zhuǎn)換器- DAC 14-Bit 400 CommsDAC RoHS:否 制造商:Texas Instruments 轉(zhuǎn)換器數(shù)量:1 DAC 輸出端數(shù)量:1 轉(zhuǎn)換速率:2 MSPs 分辨率:16 bit 接口類型:QSPI, SPI, Serial (3-Wire, Microwire) 穩(wěn)定時間:1 us 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-14 封裝:Tube
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