DAC1627D1G25 Datasheet, PDF (56/81 Pages) NXP Semiconductors – Dual 16-bit DAC, LVDS interface, up to 1.25 Gsps, x2, x4 and x8 interpolating

Integrated Device Technology
DAC1627D1G25
Dual 16-bit DAC: up to 1.25 Gsps; x2, x4 and x8 interpolating
Table 25. NCO frequency registers (address 04h to 08h) bit description
Default values are shown highlighted.
Address Register
Bit Symbol
Access Value Description
04h
FREQNCO_B0 7 to 0 FREQ_NCO[7:0] R/W
NCO frequency (two’s complement coding)
-
least significant 8 bits for the NCO
frequency setting
05h
FREQNCO_B1 7 to 0 FREQ_NCO[15:8]
-
intermediate 8 bits for the NCO frequency
setting
06h
FREQNCO_B2 7 to 0 FREQ_NCO[23:16]
-
intermediate 8 bits for the NCO frequency
setting
07h
FREQNCO_B3 7 to 0 FREQ_NCO[31:24]
-
intermediate 8 bits for the NCO frequency
setting
08h
FREQNCO_B4 7 to 0 FREQ_NCO[39:32]
-
most significant 8 bits for the NCO
frequency setting
Table 26. DAC output phase correction registers (address 09h to 0Ah) bit description
Default values are shown highlighted.
Address Register
Bit Symbol
Access Value Description
09h
PH_CORR_CTL0 7 to 0 PHASE_COR[7:0] R/W
DAC output phase correction factor (LSB)
-
least significant 8 bits for the DAC output
phase correction factor
0Ah
PH_CORR_CTL1 7
PH_COR_ENA
R/W
DAC output phase correction control
0
DAC output phase correction disabled
1
DAC output phase correction enabled
4 to 0 PHASE_COR[12:8] R/W
DAC output phase correction factor MSB
00000
most significant 5 bits for the DAC output
phase correction factor
Table 27. Digital gain control registers (address 0Bh to 0Eh) bit description
Default values are shown highlighted.
Address Register
Bit Symbol
Access Value Description
0Bh
DAC_A_DGAIN_LSB 7 to 0 DAC_A_DGAIN[7:0] R/W
DAC A digital gain control
-
least significant 8 bits for the DAC
A digital gain
0Ch
DAC_A_DGAIN_MSB 3 to 0 DAC_A_DGAIN[11:8]
-
most significant 4 bits for the DAC
A digital gain
0Dh
DAC_B_DGAIN_LSB 7 to 0 DAC_B_DGAIN[7:0] R/W
DAC B digital gain control
-
least significant 8 bits for the DAC
B digital gain
0Eh
DAC_B_DGAIN_MSB 3 to 0 DAC_B_DGAIN[11:8]
-
most significant 4 bits for the DAC
B digital gain
DAC1627D1G25 3
Data sheet
Rev. 03 — 2 July 2012
© IDT 2012. All rights reserved.
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