V
參數(shù)資料
型號: AD9833BRMZ-REEL
廠商: Analog Devices Inc
文件頁數(shù): 10/24頁
文件大?。?/td> 0K
描述: IC WAVEFORM GEN PROG 10MSOP
產(chǎn)品培訓(xùn)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
標準包裝: 3,000
分辨率(位): 10 b
主 fclk: 25MHz
調(diào)節(jié)字寬(位): 28 b
電源電壓: 2.3 V ~ 5.5 V
工作溫度: -40°C ~ 105°C
安裝類型: 表面貼裝
封裝/外殼: 10-TFSOP,10-MSOP(0.118",3.00mm 寬)
供應(yīng)商設(shè)備封裝: 10-MSOP
包裝: 帶卷 (TR)
AD9833
Data Sheet
Rev. E | Page 18 of 24
DATA WRITE
(SEE FIGURE 28)
SELECT DATA
SOURCES
WAIT 7/8 MCLK
CYCLES
VOUT = VREF × 18 × RLOAD / RSET × (1 + (SIN (2π (FREQREG × fMCLK × t/228 + PHASEREG / 212))))
DAC OUTPUT
CHANGE PHASE?
CHANGE FREQUENCY?
CHANGE DAC OUTPUT
FROM SIN TO RAMP?
CHANGE OUTPUT TO
A DIGITAL SIGNAL?
CHANGE
PSELECT?
CHANGE PHASE
REGISTER?
CHANGE
FSELECT?
CHANGE FREQUENCY
REGISTER?
CONTROL REGISTER
WRITE
(SEE TABLE 6)
INITIALIZATION
(SEE FIGURE 27 BELOW)
NO
YES
NO
YES
NO
YES
02704-
026
Figure 26. Flowchart for AD9833 Initialization and Operation
INITIALIZATION
APPLY RESET
(CONTROL REGISTER WRITE)
RESET = 1
WRITE TO FREQUENCY AND PHASE REGISTERS
FREQ0 REG =
fOUT0/fMCLK × 228
FREQ1 REG =
fOUT1/fMCLK × 228
PHASE0 AND PHASE1 REG = (PHASESHIFT × 212
)/2π
(SEE FIGURE 28)
SET RESET = 0
SELECT FREQUENCY REGISTERS
SELECT PHASE REGISTERS
(CONTROL REGISTER WRITE)
RESET BIT = 0
FSELECT = SELECTED FREQUENCY REGISTER
PSELECT = SELECTED PHASE REGISTER
02704-
027
Figure 27. Flowchart for Initialization
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AD9833BRMZ-REEL7 功能描述:IC WAVEFORM GEN PROG 10MSOP RoHS:是 類別:集成電路 (IC) >> 接口 - 直接數(shù)字合成 (DDS) 系列:- 產(chǎn)品變化通告:Product Discontinuance 27/Oct/2011 標準包裝:2,500 系列:- 分辨率(位):10 b 主 fclk:25MHz 調(diào)節(jié)字寬(位):32 b 電源電壓:2.97 V ~ 5.5 V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:16-TSSOP(0.173",4.40mm 寬) 供應(yīng)商設(shè)備封裝:16-TSSOP 包裝:帶卷 (TR)
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