Datasheet
AD9549
Rev. D | Page 59 of 76
Register 0x011B—FTW Lower Limit
Table 47.
Bits Bit Name Description
[7:0] FTW lower limit Lowest DDS tuning word in closed-loop mode. This feature is recommended when a band-pass
reconstruction filter is used. See the Output Frequency Range Control section.
Register 0x011C—FTW Lower Limit (Continued)
Table 48.
Bits Bit Name Description
[15:8] FTW lower limit Lowest DDS tuning word in closed-loop mode. This feature is recommended when a band-pass
reconstruction filter is used. See the Output Frequency Range Control section.
Register 0x011D—FTW Lower Limit (Continued)
Table 49.
Bits Bit Name Description
[23:16] FTW lower limit Lowest DDS tuning word in closed-loop mode. This feature is recommended when a band-pass
reconstruction filter is used. See the Output Frequency Range Control section.
Register 0x011E—FTW Lower Limit (Continued)
Table 50.
Bits Bit Name Description
[31:24] FTW lower limit Lowest DDS tuning word in closed-loop mode. This feature is recommended when a band-pass
reconstruction filter is used. See the Output Frequency Range Control section.
Register 0x011F—FTW Lower Limit (Continued)
Table 51.
Bits Bit Name Description
[39:32] FTW lower limit Lowest DDS tuning word in closed-loop mode. This feature is recommended when a band-pass
reconstruction filter is used. See the Output Frequency Range Control section.
Register 0x0120—FTW Lower Limit (Continued)
Table 52.
Bits Bit Name Description
[47:40] FTW lower limit Lowest DDS tuning word in closed-loop mode. This feature is recommended when a band-pass
reconstruction filter is used. See the Output Frequency Range Control section.










