參數(shù)資料
型號: AD9958BCPZ
廠商: Analog Devices Inc
文件頁數(shù): 37/44頁
文件大?。?/td> 0K
描述: IC DDS DUAL 500MSPS DAC 56LFCSP
產(chǎn)品培訓模塊: Direct Digital Synthesis Tutorial Series (1 of 7): Introduction
Direct Digital Synthesizer Tutorial Series (7 of 7): DDS in Action
Direct Digital Synthesis Tutorial Series (3 of 7): Angle to Amplitude Converter
Direct Digital Synthesis Tutorial Series (6 of 7): SINC Envelope Correction
Direct Digital Synthesis Tutorial Series (4 of 7): Digital-to-Analog Converter
Direct Digital Synthesis Tutorial Series (2 of 7): The Accumulator
設計資源: Low Jitter Sampling Clock Generator for High Performance ADCs Using AD9958/9858 and AD9515 (CN0109)
Phase Coherent FSK Modulator (CN0186)
標準包裝: 1
分辨率(位): 10 b
主 fclk: 500MHz
調節(jié)字寬(位): 32 b
電源電壓: 1.71 V ~ 1.96 V
工作溫度: -40°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 56-VFQFN 裸露焊盤,CSP
供應商設備封裝: 56-LFCSP-VQ(8x8)
包裝: 托盤
產(chǎn)品目錄頁面: 552 (CN2011-ZH PDF)
配用: AD9958/PCBZ-ND - BOARD EVALUATION FOR AD9958
AD9958
Data Sheet
Rev. B | Page 42 of 44
Channel Frequency Tuning Word 0 (CFTW0)—Address 0x04
Four bytes are assigned to this register.
Table 35. Description for CFTW0
Bit
Mnemonic
Description
31:0
Frequency Tuning Word 0
Frequency Tuning Word 0 for each channel.
Channel Phase Offset Word 0 (CPOW0)—Address 0x05
Two bytes are assigned to this register.
Table 36. Description for CPOW0
Bit
Mnemonic
Description
15:14
Open
13:0
Phase Offset Word 0
Phase Offset Word 0 for each channel.
Amplitude Control Register (ACR)—Address 0x06
Three bytes are assigned to this register.
Table 37. Description for ACR
Bit
Mnemonic
Description
23:16
Amplitude ramp rate
Amplitude ramp rate value.
15:14
Increment/decrement
step size
Amplitude increment/decrement step size.
13
Open
12
Amplitude multiplier
enable
0 = amplitude multiplier is disabled. The clocks to this scaling function (auto RU/RD) are stopped
for power saving, and the data from the DDS core is routed around the multipliers (default).
1 = amplitude multiplier is enabled.
11
Ramp-up/ramp-down
This bit is valid only when ACR[12] is active high.
enable
0 = when ACR[12] is active, Logic 0 on ACR[11] enables the manual RU/RD operation. See the
Output Amplitude Control Mode section for details (default).
1 = if ACR[12] is active, a Logic 1 on ACR[11] enables the auto RU/RD operation. See the Output
Amplitude Control Mode section for details.
10
Load ARR at
I/O_UPDATE
0 = the amplitude ramp rate timer is loaded only upon timeout (timer = 1) and is not loaded due
to an I/O_UPDATE input signal (default).
1 = the amplitude ramp rate timer is loaded upon timeout (timer = 1) or at the time of an
I/O_UPDATE input signal.
9:0
Amplitude scale factor
Amplitude scale factor for each channel.
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