参数资料
型号: AD9835BRUZ-REEL
厂商: Analog Devices Inc
文件页数: 5/28页
文件大小: 0K
描述: IC DDS 10BIT 50MHZ 16-TSSOP
产品培训模块: 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
标准包装: 2,500
分辨率(位): 10 b
主 fclk: 50MHz
调节字宽(位): 32 b
电源电压: 4.75 V ~ 5.25 V
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 16-TSSOP(0.173",4.40mm 宽)
供应商设备封装: 16-TSSOP
包装: 带卷 (TR)
配用: EVAL-AD9835EBZ-ND - BOARD EVALUATION FOR AD9835
Data Sheet
AD9835
Rev. A | Page 13 of 28
THEORY OF OPERATION
Sine waves are typically thought of in terms of their magnitude
form a(t) = sin (ωt). However, these are nonlinear and not easy
to generate except through piecewise construction. On the
other hand, the angular information is linear in nature. That is,
the phase angle rotates through a fixed angle for each unit of
time. The angular rate depends on the frequency of the signal
by the traditional rate of ω = 2 πf.
MAGNITUDE
PHASE
+1
0
–1
2
0
09
63
0-
0
23
Figure 21. Sine Wave
Knowing that the phase of a sine wave is linear and given a
reference interval (clock period), the phase rotation for that
period can be determined by
ΔPhase = ωδt
Solving for ω,
ω = ΔPhase/δt = 2 πf
Solving for f and substituting the reference clock frequency for
the reference period (1/fMCLK = δt),
f = ΔPhase × fMCLK/2 π
The AD9835 builds the output based on this simple equation. A
simple DDS chip can implement this equation with three major
subcircuits.
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AD9835BRUZ-REEL7 功能描述:IC DDS 10BIT 50MHZ 16-TSSOP RoHS:是 类别:集成电路 (IC) >> 接口 - 直接数字合成 (DDS) 系列:- 产品变化通告:Product Discontinuance 27/Oct/2011 标准包装:2,500 系列:- 分辨率(位):10 b 主 fclk:25MHz 调节字宽(位):32 b 电源电压:2.97 V ~ 5.5 V 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:16-TSSOP(0.173",4.40mm 宽) 供应商设备封装:16-TSSOP 包装:带卷 (TR)
AD9835EB 制造商:AD 制造商全称:Analog Devices 功能描述:Evaluation Board for the AD9835 Direct Digital Synthesizer
AD9837 制造商:AD 制造商全称:Analog Devices 功能描述:Low Power, 8.5 mW, 2.3 V to 5.5 V, Programmable Waveform Generator
AD9837ACPZ-RL 功能描述:IC WAVEFORM GEN PROG 10LFCSP RoHS:是 类别:集成电路 (IC) >> 接口 - 直接数字合成 (DDS) 系列:- 产品变化通告:Product Discontinuance 27/Oct/2011 标准包装:2,500 系列:- 分辨率(位):10 b 主 fclk:25MHz 调节字宽(位):32 b 电源电压:2.97 V ~ 5.5 V 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:16-TSSOP(0.173",4.40mm 宽) 供应商设备封装:16-TSSOP 包装:带卷 (TR)
AD9837ACPZ-RL7 功能描述:IC WAVEFORM GEN PROG 10LFCSP RoHS:是 类别:集成电路 (IC) >> 接口 - 直接数字合成 (DDS) 系列:- 产品变化通告:Product Discontinuance 27/Oct/2011 标准包装:2,500 系列:- 分辨率(位):10 b 主 fclk:25MHz 调节字宽(位):32 b 电源电压:2.97 V ~ 5.5 V 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:16-TSSOP(0.173",4.40mm 宽) 供应商设备封装:16-TSSOP 包装:带卷 (TR)