CS1180
目
½
版本历史
................................................................................................................................................ 2
目
1
½
................................................................................................................................................. 3
功½说明
......................................................................................................................................... 6
1.1
1.2
1.3
2
主要功½特性
......................................................................................................................... 6
应用场合
................................................................................................................................. 6
功½描述
................................................................................................................................. 7
特性说明
......................................................................................................................................... 8
2.1
2.2
2.3
2.4
2.5
芯片绝对最大极限值
............................................................................................................. 8
数字逻辑特性
......................................................................................................................... 8
芯片引脚
................................................................................................................................. 9
电气特性
............................................................................................................................... 10
通讯时序
............................................................................................................................... 12
3
功½模块描述
............................................................................................................................... 14
3.1
输入模拟缓冲器(Buffer )
............................................................................................... 14
3.2
可编程增益放大器(PGA)
............................................................................................... 14
3.3
调制器(Modulator)
.......................................................................................................... 14
3.4
误差校正(Calibration)
..................................................................................................... 14
3.4.1
自校正(Self
Calibration) ......................................................................................... 15
3.4.2
系统校正(System
Calibration) ................................................................................ 15
3.5
外接参考电压 (External
Voltage Reference).................................................................. 15
3.6
时钟单元(Clock
Unit) ..................................................................................................... 15
3.7
数字滤波器(FIR)
.................................................................................................................. 17
3.8
串行总线接口(
SPI ) ............................................................................................................ 18
3.8.1
片选信号(
CS ) ............................................................................................................. 18
3.8.2
串行时钟(
SCLK ) ........................................................................................................ 18
3.8.3
数据输入(
SDI )和数据输出( SDO ) ........................................................................... 18
3.8.4
数据准备就绪
( DRDY ) .............................................................................................. 18
3.9
上电复½及芯片的复½
....................................................................................................... 19
4
CS1180
寄存器描述
..................................................................................................................... 20
4.1
4.2
寄存器列表
........................................................................................................................... 20
寄存器详细描述
................................................................................................................... 21
5
CS1180
指令描述
......................................................................................................................... 25
5.1
5.2
指令列表
............................................................................................................................... 25
指令详细描述
....................................................................................................................... 26
6
芯片封装
....................................................................................................................................... 29
6.1
6.2
采用
SSOP16
封装
............................................................................................................... 29
采用
SOP-16
封装
................................................................................................................ 30
Rev 1.1
第
3
页,共
30
页
CS1180
图目½
图
1
图
2
图
3
图
4
图
5
图
6
CS1180
原理框图
.......................................................................................................................... 7
CS1180
引脚图
.............................................................................................................................. 9
CS1180
时序图
.............................................................................................................................12
外部晶振连接图
..........................................................................................................................16
芯片
SSOP-16
封装尺寸信息
......................................................................................................29
芯片
SOP-16
封装尺寸信息
........................................................................................................30
表目½
表
1 CS1180
绝对最大极限值
.............................................................................................................. 8
表
2 CS1180
数字逻辑特性
.................................................................................................................. 8
表
3 CS1180
引脚描述
.......................................................................................................................... 9
表
4 AVDD=5V
时
CS1180
电气特性
................................................................................................10
表
5 AVDD=3V
时
CS1180
电气特性
................................................................................................11
表
6 CS1180
时序表
.............................................................................................................................13
表
7
调制器采样频率表
......................................................................................................................14
表
8
外部参考电压和
RAN
的关系表
................................................................................................15
表
9
内部寄存器详细列表
..................................................................................................................20
表
10
CS1180
指令描述表
............................................................................................................25
Rev 1.1
第
5
页,共
30
页