參數(shù)資料
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): 32/45頁
文件大?。?/td> 1033K
代理商: DAC1405D650HW
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
32 of 45
NXP Semiconductors
DAC1405D650
Dual 14-bit DAC, up to 650 Msps; 2
×
, 4
×
and 8
×
interpolating
10.13 Auxiliary DACs
The DAC1405D650 integrates 2 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 resolution of 10-bit and are current sources (referenced to
ground).
(6)
The output current depends on the auxiliary DAC data:
(7)
(8)
Table 39 “Auxiliary DAC transfer function”
shows the output current as a function of the
auxiliary DAC data.
Table 39.
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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參數(shù)描述
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