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参数资料
| 型号： | AD9146-M5375-EBZ |
| 厂商： | Analog Devices Inc |
| 文件页数： | 17/56页 |
| 文件大小： | 0K |
| 描述： | BOARD EVAL FOR AD9146 DAC |
| 设计资源： | AD9146-M5375-EBZ Schematic AD9146-M5375-EBZ Gerber Files |
| 标准包装： | 1 |
| 系列： | TxDAC+® |
| DAC 的数量： | 2 |
| 位数： | 16 |
| 采样率（每秒）： | 1G |
| 数据接口： | 串行 |
| 设置时间： | 20ns |
| DAC 型： | 电流 |
| 工作温度： | -40°C ~ 85°C |
| 已供物品： | 板 |
| 已用 IC / 零件： | AD9146 |
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AD9146
Data Sheet
Rev. A | Page 24 of 56
Register
Name
Address
(Hex)
Bits
Name
Description
Default
FIFO Control
0x17
[2:0]
FIFO Phase Offset[2:0]
FIFO write pointer phase offset following FIFO reset. This
is the difference between the read pointer and the write
pointer values upon FIFO reset. The optimal value is
nominally 4 (100).
100
000 = 0.
001 = 1.
…
111 = 7.
FIFO Status
0x18
7
FIFO Warning 1
1 = FIFO read and write pointers are within ±1.
N/A
6
FIFO Warning 2
1 = FIFO read and write pointers are within ±2.
N/A
2
FIFO soft align
acknowledge
1 = FIFO read and write pointers are aligned after a serial
port initiated FIFO reset.
N/A
1
FIFO soft align request
1 = request FIFO read and write pointer alignment via the
serial port.
0
0x19
[7:0]
FIFO Level[7:0]
Thermometer encoded measure of the FIFO level.
N/A
Datapath
Control
0x1B
7
Bypass premod
1 = bypass the fS/2 premodulator.
1
6
Bypass sinc1
1 = bypass the inverse sinc filter.
1
5
Set to 1
Set this bit to 1 for proper operation.
1
2
Bypass phase
compensation
and dc offset
1 = bypass phase compensation and dc offset.
1
Select sideband
0 = the modulator outputs the high-side image.
0
1 = the modulator outputs the low-side image. The image is
spectrally inverted compared to the input data.
0
Send I data to Q data
1 = ignore Q data from the interface and disable the clocks
to the Q datapath. Send I data to both the I and Q DACs.
0
HB1 Control
0x1C
[2:1]
HB1[1:0]
Modulation mode for I Side Half-Band Filter 1.
00
00 = input signal not modulated; filter pass band is from
0.4 to +0.4 of fIN1.
01 = input signal not modulated; filter pass band is from
0.1 to 0.9 of fIN1.
10 = input signal modulated by fIN1; filter pass band is from
0.6 to 1.4 of fIN1.
11 = input signal modulated by fIN1; filter pass band is from
1.1 to 1.9 of fIN1.
0
Bypass HB1
1 = bypass the first-stage interpolation filter.
0
HB2 Control
0x1D
[6:1]
HB2[5:0]
Modulation mode for I Side Half-Band Filter 2.
000000
000000 = input signal not modulated; filter pass band is
from 0.25 to +0.25 of fIN2.
001001 = input signal not modulated; filter pass band is
from 0.0 to 0.5 of fIN2.
010010 = input signal not modulated; filter pass band is
from 0.25 to 0.75 of fIN2.
011011 = input signal not modulated; filter pass band is
from 0.5 to 1.0 of fIN2.
100100 = input signal modulated by fIN2; filter pass band is
from 0.75 to 1.25 of fIN2.
101101 = input signal modulated by fIN2; filter pass band is
from 1.0 to 1.5 of fIN2.
110110 = input signal modulated by fIN2; filter pass band is
from 1.25 to 1.75 of fIN2.
111111 = input signal modulated by fIN2; filter pass band is
from 1.5 to 2.0 of fIN2.
0
Bypass HB2
1 = bypass the second-stage interpolation filter.
0
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