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| 型號： | DAC1408D650HN |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | DAC |
| 英文描述： | Dual 14-bit DAC; up to 650 Msps; 2×, 4× or 8× interpolating |
| 中文描述： | 14-BIT DAC, PQCC64 |
| 封裝： | 9 X 9 MM, 0.85 MM HEIGHT, PLASTIC, VQFN-64 |
| 文件頁數(shù)： | 34/98頁 |
| 文件大小： | 2600K |
| 代理商： | DAC1408D650HN |
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DAC1408D650
All information provided in this document is subject to legal disclaimers.
NXP B.V. 2010. All rights reserved.
Product data sheet
Rev. 4 — 26 November 2010
34 of 98
NXP Semiconductors
DAC1408D650
2
, 4
or 8
interpolating DAC with JESD204A
10.13.2
DC interface to an Analog Quadrature Modulator (AQM)
When the system operation requires to keep the DC component of the spectrum, the
DAC1408D650 must use a DC interface to connect to an AQM. In this case, the offset
compensation for LO cancellation can be made with the use of the digital offset control in
the DAC.
Figure 21
is an example of a connection to an AQM common-mode input level (V
i(cm)
) of
3.3 V.
Figure 22
is an example of a connection to an AQM with a common-mode input level
(V
i(cm)
) of 3.3 V.
The auxiliary DACs can be used to control the offset in a precise range or with precise
steps.
Fig 21. Example of a DC interface connection to am AQM with a V
i(cm)
of 1.7 V
Fig 22. Example of a DC interface connection to an AQM with a V
i(cm)
of 3.3 V
001aaj541
51.1
Ω
51.1
Ω
442
Ω
442
Ω
V
DDA(3V3)
IOUTnP
IOUTnN
0 mA to 20 mA
BBP
(1)
IOUTnP/IOUTnN; V
o(cm)
= 2.67 V; V
o(dif)(p-p)
= 1.98 V
(2)
BBP/BBN; V
i(cm)
= 1.7 V; V
i(dif)(p-p)
= 1.26 V
BBN
AQM (V
i(cm)
= 1.7 V)
768
Ω
768
Ω
(1)
(2)
001aaj542
54.9
Ω
54.9
Ω
237
Ω
237
Ω
V
DDA(3V3)
IOUTnP
IOUTnN
BBP
BBN
AQM (V
i(cm)
= 3.3 V)
750
Ω
750
Ω
5 V
1.27 k
Ω
1.27 k
Ω
(1)
IOUTnP/IOUTnN; V
o(cm)
= 2.75 V; V
o(dif)(p-p)
= 1.97 V
(2)
BBP/BBN; V
i(cm)
= 3.3 V; V
i(dif)(p-p)
= 1.5 V
(1)
(2)
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| DAC1408D650HN/C1,5 | 功能描述:數(shù)模轉(zhuǎn)換器- DAC DL 14BIT DAC 650MSPS 2X 4X OR 8X INT 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(shí)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 |
| DAC1408D650HN-C1 | 功能描述:數(shù)模轉(zhuǎn)換器- DAC 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(shí)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 |
| DAC1408D650HN-C18 | 功能描述:數(shù)模轉(zhuǎn)換器- DAC 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(shí)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 |
| DAC1408D650HW/C1 | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Dual 14-bit DAC, up to 650 Msps, 2′ and 4′ interpolating with JESD204A interface |
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