CS5374
DS862PP1
目录
CS5374
1.特性和规范............................................. .......................... 4
指定的运行条件............................................... ................................. 4
绝对最大额定值............................................... ........................................... 4
热特性................................................ ............................................. 5
模拟特征................................................ ............................................... 5
性能规格................................................ ...................................... 7
CHANNEL性能曲线............................................... ....................................... 9
数字化的特征................................................ .............................................. 10
SPI 接口时序（外部主机） .......................................... .................. 12
电源特性............................................... ................................ 13
2.一般DESCRIPTION..................................................................................................... 14
3.放大器工作...................................................................................................... 16
3.1放大器输入端 - INA ， INB ........................................... ............................................... 16
3.1.1多路复用器设置 - MUX ........................................... .................................... 16
3.1.2增益设置 - GAIN ........................................... ............................................. 16
3.2放大器输出 - OUTR ， OUTF ........................................... .................................... 16
3.2.1保护输出 - GUARD ........................................... ......................................... 16
3.3差分信号........................................................................................................ 17
4，调制器运行.............................................. .................................................. .. 18
4.1调制器的抗混叠滤波器............................................ ................................................. 18
4.2调制器输入 - INR ， INF ........................................... ............................................. 19
4.2.1调制器输入阻抗............................................ .................................... 19
4.2.2调制闲音 - OFST .......................................... ................................. 19
4.3调制器输出 - MDATA ............................................. ........................................... 19
4.3.1调制一个人的密度............................................ ......................................... 19
4.3.2抽取的24位输出.......................................... ........................................... 19
4.4调制器的稳定性 - MFLAG ............................................. .......................................... 20
4.5调制器时钟输入 - MCLK ............................................ ........................................ 20
4.6调制器同步 - 则msync ............................................. ............................ 20
5. SPI
TM
SERIAL PORT............................................................................................................. 21
5.1 SPI引脚说明..................................................................................................... 21
5.2 SPI串行Transactions................................................................................................. 21
5.3 SPI寄存器................................................................................................................ 23
5.3.1版本 - 为0x00 ............................................ .................................................. 23
5.3.2 AMP1CFG - 为0x01 ............................................ ................................................. 23
5.3.3 AMP2CFG - 0X02 ............................................ ................................................. 23
5.3.4 ADCCFG - ×03 ............................................ .................................................. 24 ..
5.3.5 PWRCFG - 0×04 ............................................ .................................................. 24
5.4示例： CS5374配置由外部SPI主控........................................ 24
5.5示例： CS5374配置由CS5376A SPI 2端口...................................... 25
5.5.1 CS5376A SPI 1交易........................................... .................................. 25
6.电源模式.................................................................................................................... 29
6.1正常运行.......................................................................................................... 29
6.2掉电， MCLK启用............................................ ............................................ 29
6.3掉电， MCLK残疾人............................................ ........................................... 29
7.参考电压.......................................................................................................三十
7.1 VREF电源.....................................................................................................三十
7.2 VREF RC滤波器.............................................................................................................三十
7.3 VREF PCB路由.......................................................................................................三十
7.4 VREF输入Impedance.................................................................................................三十
7.5 VREF Accuracy............................................................................................................. 31
8.使用的电源.............................................................................................................. 32
8.1模拟电源.............................................. .................................................. 32
8.2数字电源..................................................................................................... 32
8.3电源旁路.............................................. ................................................ 32
2
DS862PP1
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