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AD9173 Datasheet(PDF) 100 Page - Analog Devices

Part # AD9173
Description  Dual, 16-Bit, 12.6 GSPS RF DAC with Channelizers
PDF  144 Pages
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Manufacturer  AD [Analog Devices]
Direct Link  http://www.analog.com
Logo AD - Analog Devices

AD9173 Datasheet(HTML) 100 Page - Analog Devices

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Data Sheet
AD9173
REGISTER DETAILS
analog.com
Rev. C | 100 of 144
Table 60. Register Details
Addr.
Name
Bits
Bit Name
Settings
Description
Reset
Access
is loaded properly. This control is paged by the
CHANNEL_PAGE bits in Register 0x008.
0
FTW is not loaded.
1
FTW is loaded.
0
DDSC_FTW_
LOAD_REQ
Frequency tuning word update request from the SPI.
This control is paged by the CHANNEL_PAGE bits in
Register 0x008.
0x0
R/W
0
No FTW update.
1
0 to 1 transition loads the FTW.
0x132
DDSC_FTW0
[7:0]
DDSC_FTW[7:0]
Sets the channel datapath NCO FTW.
If DDSC_MODULUS_EN is low, the main
datapath NCO frequency = fDAC ×
(DDSC_FTW/248). If DDSC_MODULUS_EN is
high, main datapath NCO frequency =
fDAC × (DDSC_FTW + DDSC_ACC_DELTA/
DDSC_ACC_MODULUS)/248. DDSC_ACC_DELTA
must be > 0. DDSC_ACC_DELTA must be >
DDSC_ACC_MODULUS. This control is paged by the
CHANNEL_PAGE bits in Register 0x008.
0x0
R/W
0x133
DDSC_FTW1
[7:0]
DDSC_FTW[15:8]
Sets the channel datapath NCO FTW.
If DDSC_MODULUS_EN is low, the main
datapath NCO frequency = fDAC ×
(DDSC_FTW/248). If DDSC_MODULUS_EN is
high, main datapath NCO frequency =
fDAC × (DDSC_FTW + DDSC_ACC_DELTA/
DDSC_ACC_MODULUS)/248. DDSC_ACC_DELTA
must be > 0. DDSC_ACC_DELTA must be >
DDSC_ACC_MODULUS. This control is paged by the
CHANNEL_PAGE bits in Register 0x008.
0x0
R/W
0x134
DDSC_FTW2
[7:0]
DDSC_FTW[23:16]
Sets the channel datapath NCO FTW.
If DDSC_MODULUS_EN is low, the main
datapath NCO frequency = fDAC ×
(DDSC_FTW/248). If DDSC_MODULUS_EN is
high, main datapath NCO frequency =
fDAC × (DDSC_FTW + DDSC_ACC_DELTA/
DDSC_ACC_MODULUS)/248. DDSC_ACC_DELTA
must be > 0. DDSC_ACC_DELTA must be >
DDSC_ACC_MODULUS. This control is paged by the
CHANNEL_PAGE bits in Register 0x008.
0x0
R/W
0x135
DDSC_FTW3
[7:0]
DDSC_FTW[31:24]
Sets the channel datapath NCO FTW.
If DDSC_MODULUS_EN is low, the main
datapath NCO frequency = fDAC ×
(DDSC_FTW/248). If DDSC_MODULUS_EN is
high, main datapath NCO frequency =
fDAC × (DDSC_FTW + DDSC_ACC_DELTA/
DDSC_ACC_MODULUS)/248. DDSC_ACC_DELTA
must be > 0. DDSC_ACC_DELTA must be >
DDSC_ACC_MODULUS. This control is paged by the
CHANNEL_PAGE bits in Register 0x008.
0x0
R/W
0x136
DDSC_FTW4
[7:0]
DDSC_FTW[39:32]
Sets the channel datapath NCO FTW.
If DDSC_MODULUS_EN is low, the main
datapath NCO frequency = fDAC ×
(DDSC_FTW/248). If DDSC_MODULUS_EN is
high, main datapath NCO frequency =
fDAC × (DDSC_FTW + DDSC_ACC_DELTA/
0x0
R/W



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