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| 型號： | DAC1617D1G0HN |
| 廠商： | NXP Semiconductors N.V. |
| 元件分類： | 外設及接口 |
| 英文描述： | Dual 16-bit DAC: up to 1 Gsps; x2, x4 and x8 interpolating |
| 封裝： | DAC1617D1G0HN/C1<SOT813-3 (HVQFN72)|<<http://www.nxp.com/packages/SOT813-3.html<1<Always Pb-free,;DAC1617D1G0HN/C1<SOT813-3 (HVQFN72)|<<http://www.nxp.com/packages/SOT813 |
| 文件頁數(shù)： | 33/66頁 |
| 文件大?。?/td> | 519K |
| 代理商： | DAC1617D1G0HN |
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DAC1617D1G0
All information provided in this document is subject to legal disclaimers.
NXP B.V. 2011. All rights reserved.
Objective data sheet
Rev. 1.1 — 30 September 2011
33 of 66
NXP Semiconductors
DAC1617D1G0
Dual 16-bit DAC: up to 1 Gsps; x2, x4 and x8 interpolating
10.16.2
IQ-modulator - BGX7100 interface
The DAC1617D1G0 can be easily connected to the BGX7100 NXP IQ-modulator. The
offset compensation for local oscillator can be canceled using the digital offset control in
the device.
Figure 24
shows an example of a connection between the DAC1617D1G0 and the
BGX7100 interface.
10.16.3
IQ-modulator - DC interface
When the system operation requires to keep the DC component of the spectrum, the
DAC1617D1G0 can use a DC interface to connect an IQ-modulator. In this case, the
offset compensation for local oscillator
can be canceled using the digital offset control in
the device.
Figure 25
shows an example of a connection to an IQ modulator with a 1.7 V common
input level.
Fig 23. 2 V (p-p) differential output with transformer
aaa-000261
100 Ω
4:1
100 Ω
IOUTAP/IOUTBP
DAC1617D
IOUTAP/IOUTAN
IOUTBP/IOUTBN
V
O(cm)
= 2.7 V
V
O(dif)
= 2 V
IOUTAN/IOUTBN
3.3 V
62 Ω
50 Ω
3.3 V
3.3 V
0 mA to 20 mA
0 mA to 20 mA
Fig 24. DAC1617D1G0 with BGX7100 IQ-modulator interface
IOUTAP/IOUTBP
3.3 V
DAC1617D
BGX7100
IQ-modulator
51.1 Ω
51.1 Ω
IOUTAN/IOUTBN
AUXAP/AUXBP
AUXAN/AUXBN
BBAP/BBBP
BBAN/BBBN
aaa-000262
0 mA to 20 mA
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