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| 型號： | DAC1405D650HW |
| 廠商： | NXP Semiconductors N.V. |
| 元件分類： | 外設(shè)及接口 |
| 英文描述： | Dual 14-bit DAC, up to 650 Msps; 2x 4x and 8x interpolating |
| 封裝： | DAC1405D650HW/C1<SOT638-1 (HTQFP100)|<<http://www.nxp.com/packages/SOT638-1.html<1<Always Pb-free,;DAC1405D650HW/C1<SOT638-1 (HTQFP100)|<<http://www.nxp.com/packages/SOT6 |
| 文件頁數(shù)： | 31/45頁 |
| 文件大?。?/td> | 1033K |
| 代理商： | DAC1405D650HW |
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DAC1405D650
All information provided in this document is subject to legal disclaimers.
NXP B.V. 2010. All rights reserved.
Product data sheet
Rev. 3 — 10 September 2010
31 of 45
NXP Semiconductors
DAC1405D650
Dual 14-bit DAC, up to 650 Msps; 2
×
, 4
×
and 8
×
interpolating
Table 38.
Default settings are shown highlighted.
DAC_OFFSET[11:0]
Decimal
2048
2047
...
1
0
+1
...
2046
2047
10.12 Analog output
The DAC1405D650 has two output channels each of which produces two complementary
current outputs. These allow the even-order harmonics and noise to be reduced. The pins
are IOUTAP/IOUTAN and IOUTBP/IOUTBN respectively and need to be connected via a
load resistor R
L
to the 3.3 V analog power supply (V
DDA(3V3)
).
For the equivalent analog output circuit of one DAC, refer to
Figure 12 “Equivalent analog
output circuit (one DAC)”
. This circuit consists of a parallel combination of NMOS current
sources, and their associated switches, for each segment.
The cascode source configuration increases the output impedance of the source, thus
improving the dynamic performance of the DAC by introducing less distortion.
The device can provide an output level of up to 2 V
o(p-p) depending on the application, the following
stages and the targeted performances
.
Digital offset adjustment
Offset applied
Two’s complement
1000 0000 0000
1000 0000 0001
...
1111 1111 1111
0000 0000 0000
0000 0000 0001
...
0111 1111 1110
0111 1111 1111
4096
4094
...
2
0
+2
...
+4092
+4094
Fig 12. Equivalent analog output circuit (one DAC)
001aah019
V
DDA(3V3)
AGND
IOUTAP/IOUTBP
IOUTAN/IOUTBN
RL
RL
AGND
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| DAC1405D650 | |
| DAC1405D750HW | Dual 14-bit DAC, up to 750 Msps; 4× and 8× interpolating |
| DAC1405D750HW | Dual 14-bit DAC, up to 750 Msps; 4× and 8× interpolating |
| DAC1408D650HN | Dual 14-bit DAC; up to 650 Msps; 2×, 4× or 8× interpolating |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| DAC1405D650HW/C1,5 | 功能描述:數(shù)模轉(zhuǎn)換器- DAC IC DAC 14BIT 650MSPD DL 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 |
| DAC1405D650HW-C1 | 制造商:Integrated Device Technology Inc 功能描述:HTQFP100 - Bulk |
| DAC1405D650HW-C18 | 制造商:Integrated Device Technology Inc 功能描述:HTQFP100 - Tape and Reel |
| DAC1405D750 | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Dual 14-bit DAC, up to 750 Msps; 4× and 8× interpolating |
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