AD6654
目录
概述................................................ ......................... 4
产品亮点................................................ ....................... 5
规格................................................. .................................... 6
推荐工作条件...................................... 6
ADC直流规范............................................... ................ 6
ADC数规格............................................... .......... 6
ADC开关规格............................................... 7 .....
ADC交流规范............................................... ................ 7
电气特性................................................ ............. 8
时序特性................................................ ................ 9
微创时序特性........................................... 10
串行端口时序特性........................................... 11
时序图................................................ ............................ 12
绝对最大额定值............................................... ........... 18
热特性................................................ ............ 18
测试等级说明.............................................. ........... 18
ESD注意事项................................................ ................................ 18
引脚配置和功能描述........................... 19
典型性能特征........................................... 22
ADC的等效电路............................................... ................ 25
术语................................................. ................................... 26
工作原理............................................... ....................... 27
ADC体系结构................................................ ...................... 27
应用信息................................................ ................ 28
ADC配置说明............................................... ......... 28
DDC配置说明............................................... ......... 29
ADC输入端口监控功能............................................. 31
峰值检波方式............................................... .................... 31
平均功率模式............................................... ...................... 31
阈值交叉模式............................................... .......... 32
其他控制位............................................... .............. 32
输入交叉开关矩阵............................................... ................ 33
数控振荡器（ NCO ） ................................. 34
NCO频率................................................ .......................... 34
混频器................................................. ........................................... 35
绕道................................................. ......................................... 35
清除相位累加器上合........................................... 35
相位抖动................................................ ................................ 35
幅度抖动................................................ ....................... 35
NCO频率保持关闭注册......................................... 35
相位偏移................................................ ................................. 35
HOP同步................................................ .................................... 35
五阶CIC滤波器............................................. ...................... 36
绕道................................................. ......................................... 36
中投公司拒绝................................................ .............................. 36
例如计算................................................ ................ 37
FIR半带座............................................. ......................... 38
3抽头固定系数滤波器（ FIR1 ） ....................................... 38
消灭×2半带滤波器（ HB1 ） ................................. 38
6抽头固定系数滤波器（ FIR2 ） ...................................... 39
消灭×2半带滤波器（ HB2 ） ................................. 39
中间数据路由器............................................... ............... 41
单速率RAM系数滤波器（ MRCF ） ............................. 42
对称................................................. ................................... 42
时钟速率................................................ ................................... 42
绕道................................................. ......................................... 42
缩放................................................. ......................................... 42
抽取RAM系数滤波器（ DRCF ） ............................. 43
绕道................................................. ......................................... 43
缩放................................................. ......................................... 43
对称................................................. ................................... 43
系数偏移................................................ ....................... 43
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