DAC1408D650HW/C1 NXP [NXP Semiconductors], DAC1408D650HW/C1 Datasheet - Page 30

• Manufacturer Part Number: DAC1408D650HW/C1
• Manufacturer: NXP [NXP Semiconductors]

NXP Semiconductors
DAC1408D650_1
Objective data sheet
10.12 Auxiliary DACs
The DAC1408D650 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).
The output current depends on the auxiliary DAC data:
Table 17 “Auxiliary DAC transfer function”
auxiliary DAC data.
Table 17.
Default settings are shown highlighted.
I
AUXP
AUXN
Data
0
...
512
...
1023
O AUX
=
=
=
I
I
Auxiliary DAC transfer function
O AUX
I
O AUX
AUXP
AUX[9:0] (binary)
00 0000 0000
...
10 0000 0000
...
11 1111 1111
+
I
AUXN
-------------------------
AUX 9:0
(1023 A
--------------------------------------------- -
1023
Rev. 01 — 26 May 2009
– UX 9:0
1023
Dual 14-bit DAC, up to 650 Msps, 2 and 4 interpolating
shows the output current as a function of the
I
0 mA
...
1.1 mA
...
2.2 mA
AUXP
DAC1408D650
I
2.2 mA
...
1.1 mA
...
0 mA
AUXN
© NXP B.V. 2009. All rights reserved.
30 of 88
(6)
(7)
(8)