AD9834
目录
特点................................................. ............................................. 1
应用................................................. ...................................... 1
概述................................................ ......................... 1
功能框图............................................... ............... 1
修订历史................................................ ............................... 3
规格................................................. .................................... 4
时序特性................................................ ................ 6
绝对最大额定值............................................... ............. 7
ESD注意事项................................................ .................................. 7
引脚配置和功能说明............................. 8
典型性能特征........................................... 10
术语................................................. ................................... 14
工作原理............................................... ....................... 15
电路说明................................................ ......................... 16
数控振荡器加相位调制器... 16
SIN ROM ................................................ ..................................... 16
数位类比转换器（ DAC ） ....................................... 16
比较................................................. ................................ 16
调节................................................. ..................................... 17
输出电压符合............................................... ....... 17
功能说明................................................ .................. 18
串行接口................................................ ............................ 18
开机的AD9834 .............................................. ........... 18
延迟................................................. ........................................ 18
控制寄存器................................................ ......................... 18
频率和相位寄存器.............................................. .. 20
写入频率寄存器............................................. .. 21
写一个相位寄存器............................................. .......... 21
复位功能................................................ ......................... 21
睡眠功能................................................ .......................... 21
SIGN BIT OUT引脚.............................................. ...................... 22
该IOUT和IOUTB引脚............................................. ......... 22
应用信息................................................ .............. 23
接地和布局............................................... ................... 26
与微处理器............................................... ...... 27
AD9834以ADSP- 21XX接口............................................ 27
AD9834以68HC11 / 68L11接口....................................... 27
AD9834以80C51 / 80L51接口.......................................... 28
AD9834以DSP56002接口.............................................. 28
评估板................................................ ............................ 29
系统开发平台............................................... .. 29
AD9834以SPORT接口.............................................. ....... 29
XO与外部时钟............................................. ................... 29
电源................................................ ............................... 29
评估板电路图............................................... .... 30
评估板布局............................................... ............ 32
外形尺寸................................................ ....................... 35
订购指南................................................ .......................... 35
版本C |第36 2
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