DAC1408D650C1 NXP [NXP Semiconductors], DAC1408D650C1 Datasheet - Page 30
DAC1408D650C1
Manufacturer Part Number
DAC1408D650C1
Description
Dual 14-bit DAC up to 650 Msps 2, 4 or 8 interpolating
Manufacturer
NXP [NXP Semiconductors]
Datasheet
1.DAC1408D650C1.pdf
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NXP Semiconductors
DAC1408D650
Preliminary data sheet
10.10 Digital offset adjustment
Table 14.
Default settings are shown highlighted.
The settings applied to DAC_A_GAIN_FINE[5:0] (register 0Ah; see
“DAC_A_CFG_2 register (address 0Ah) bit
(register 0Dh; see
define the fine variation of the full scale current (see
Table 15.
Default settings are shown highlighted.
The coding of the fine gain adjustment is two’s complement.
When the DAC1408D650 analog output is DC connected to the next stage, the digital
offset correction can be used to adjust the common mode level at the output of the DAC. It
adds an offset at the end of the digital part, just before the DAC.
The settings applied to DAC_A_OFFSET[11:0] (register 09h; see
“DAC_A_CFG_1 register (address 09h) bit description”
“DAC_A_CFG_3 register (address 0Bh) bit
DAC_GAIN_COARSE[3:0]
Decimal
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
DAC_GAIN_FINE[5:0]
Decimal
−32
...
0
...
31
I
I
O(fs)
O(fs)
DAC1408D; up to 650 Msps; 2×, 4× or 8× interpolating with JESD204A
coarse adjustment
fine adjustment
All information provided in this document is subject to legal disclaimers.
Table 32 “DAC_B_CFG_2 register (address 0Dh) bit
Rev. 02 — 11 August 2010
Binary
0000
0001
0010
0011
0100
0101
0110
0111
1000
1001
1010
1011
1100
1101
1110
1111
Two’s complement
10 0000
...
00 0000
...
01 1111
description”) and to DAC_B_GAIN_FINE[5:0]
description”) and to “DAC_B_OFFSET[11:0]”
Table
and register 0Bh; see
15).
DAC1408D650
I
1.6
3.0
4.4
5.8
7.2
8.6
10.0
11.4
12.8
14.2
15.6
17.0
18.5
20.0
21.0
22.0
Delta I
−10 %
...
0
...
+10 %
O(fs)
(mA)
Table 28
O(fs)
Table 29
© NXP B.V. 2010. All rights reserved.
description”)
Table 30
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