机密草案
3/11/08
目录
CS4334/5/8/9
1.典型连接图............................................. .................................................. 4 .....
2.特性和规格............................................. ........................................ 5
指定的运行条件............................................... ............................................... 5
绝对最大额定值........................................................................................................五
模拟CHARACTERISTICS............................................................................................................. 6
电源和散热特性.............................................. ..................................... 8
数字输入特性............................................... .................................................. 9
开关特性..................................................................................................... 10
3.概述................................................................................................................. 12
3.1数字内插滤波器.............................................................................................................. 12
3.2 Δ-Σ调制器................................................................................................................. 12
3.3开关电容DAC .............................................................................................................. 12
3.4模拟低通滤波器................................................................................................................. 12
4.系统设计............................................................................................................................... 13
4.1主时钟................................................................................................................................. 13
4.2串行时钟.................................................................................................................................. 13
4.2.1外部串行时钟模式........................................... .................................................. .... 13
4.2.2内部串行时钟模式........................................... .................................................. ..... 13
4.3去加重................................................................................................................................ 14
4.4初始化和掉电...................................................................................................... 14
4.5输出瞬态控制.............................................................................................................. 14
4.6接地和电源去耦............................................ ........................................ 15
4.7模拟输出和滤波.......................................................................................................... 15
4.8总体基准利率的频率响应........................................... .......................................... 18
4.9总体高速率频率响应........................................... ........................................... 19
4.10基本利率模式的性能曲线............................................ .............................................. 20
4.11 ：高速模式下的性能曲线............................................ ............................................... 21
5.参数定义............................................................................................................... 22
6.参考文献..................................................................................................................................... 22
7.包装尺寸................................................................................................................... 23
8.订购信息............................................................................................................... 24
9.功能兼容性......................................................................................................... 24
10.修订历史......................................................................................................................... 24
图列表
图1 。
图2中。
网络连接gure 3 。
图4中。
图5中。
图6 。
图7 。
网络连接gure 8 。
图9 。
网络连接gure 10 。
图11 。
图12 。
图13 。
图14 。
图15 。
图16 。
图17 。
2
推荐连接图............................................... .......................................... 4
输出测试负载....................................................................................................................... 8
最大Loading...................................................................................................................... 9
功率与采样率............................................................................................................. 9
外部串行方式输入时序............................................. .............................................. 11
内部串行方式输入时序............................................. ............................................... 11
内部串行时钟发生器.............................................. ............................................... 11
系统结构Diagram............................................................................................................. 12
去重曲线（FS = 44.1kHz的） ........................................ ................................................ 14
CS4334数据格式（ IS ） ....................................................................................................... 15
CS4335数据格式............................................................................................................... 15
CS4338数据格式............................................................................................................... 16
CS4339数据格式............................................................................................................... 16
CS4334 / 5 /8/9初始化和断电顺序..................................... .................... 17
阻Rejection.................................................................................................................. 18
过渡Band........................................................................................................................ 18
过渡Band........................................................................................................................ 18
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