參數(shù)資料
型號: DAC1208D650HN
廠商: NXP Semiconductors N.V.
元件分類: 外設(shè)及接口
英文描述: Dual 12-bit DAC; up to 650 Msps; 2×, 4× or 8× interpolating
封裝: DAC1208D650HN/C1<SOT804-3|<<<1<Always Pb-free,;DAC1208D650HN/C1<SOT804-3|<<<1<Always Pb-free,;
文件頁數(shù): 32/98頁
文件大?。?/td> 557K
代理商: DAC1208D650HN
DAC1208D650
All information provided in this document is subject to legal disclaimers.
NXP B.V. 2010. All rights reserved.
Product data sheet
Rev. 2 — 14 December 2010
32 of 98
NXP Semiconductors
DAC1208D650
2
×
, 4
×
or 8
×
interpolating DAC with JESD204A interface
10.12 Auxiliary DACs
The DAC1208D650 integrates two auxiliary DACs that can be used to compensate for
any offset between the DAC and the next stage in the transmission path.
Both auxiliary DACs have a 10-bit resolution and are current sources (referenced to
(6)
The output current depends on the auxiliary DAC data:
(7)
(8)
Table 16
shows the output current as a function of the auxiliary DAC data.
Table 16.
Default settings are shown highlighted.
Data
AUX[9:0] (binary)
0
00 0000 0000
...
...
512
10 0000 0000
...
...
1023
11 1111 1111
Auxiliary DAC transfer function
I
AUXP
0 mA
...
1.1 mA
...
2.2 mA
I
AUXN
2.2 mA
...
1.1 mA
...
0 mA
I
O AUX
)
I
AUXP
I
AUXN
+
=
AUXP
I
O AUX
)
1023
]
-------------------------
×
=
AUXN
I
O AUX
)
---------------------------------------------
1023
×
=
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