参数资料
型号: AD7147WPACPZ-500R7
厂商: Analog Devices Inc
文件页数: 51/73页
文件大小: 0K
描述: IC CAP-TO-DGTL CONV PROG 24LFCSP
标准包装: 500
系列: CapTouch™
类型: 电容数字转换器
分辨率(位): 16 b
采样率(每秒): 250k
数据接口: 串行,SPI?
电压电源: 单电源
电源电压: 2.6 V ~ 3.6 V
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 24-VFQFN 裸露焊盘,CSP
供应商设备封装: 24-LFCSP-VQ(4x4)
包装: 带卷 (TR)
AD7147
Data Sheet
Rev. D | Page 54 of 72
Table 35. STAGEx_CONNECTION[12:7] Register Description (x = 0 to 11)
Data Bit
Default
Value
Type
Name
Description
[1:0]
X
R/W
CIN7_CONNECTION_SETUP
CIN7 connection setup
00 = CIN7 not connected to CDC inputs
01 = CIN7 connected to CDC negative input
10 = CIN7 connected to CDC positive input
11 = CIN7 connected to BIAS (connect unused CINx inputs)
[3:2]
X
R/W
CIN8_CONNECTION_SETUP
CIN8 connection setup
00 = CIN8 not connected to CDC inputs
01 = CIN8 connected to CDC negative input
10 = CIN8 connected to CDC positive input
11 = CIN8 connected to BIAS (connect unused CINx inputs)
[5:4]
X
R/W
CIN9_CONNECTION_SETUP
CIN9 connection setup
00 = CIN9 not connected to CDC inputs
01 = CIN9 connected to CDC negative input
10 = CIN9 connected to CDC positive input
11 = CIN9 connected to BIAS (connect unused CINx inputs)
[7:6]
X
R/W
CIN10_CONNECTION_SETUP
CIN10 connection setup
00 = CIN10 not connected to CDC inputs
01 = CIN10 connected to CDC negative input
10 = CIN10 connected to CDC positive input
11 = CIN10 connected to BIAS (connect unused CINx inputs)
[9:8]
X
R/W
CIN11_CONNECTION_SETUP
CIN11 connection setup
00 = CIN11 not connected to CDC inputs
01 = CIN11 connected to CDC negative input
10 = CIN11 connected to CDC positive input
11 = CIN11 connected to BIAS (connect unused CINx inputs)
[11:10]
X
R/W
CIN12_CONNECTION_SETUP
CIN12 connection setup
00 = CIN12 not connected to CDC inputs
01 = CIN12 connected to CDC negative input
10 = CIN12 connected to CDC positive input
11 = CIN12 connected to BIAS (connect unused CINx inputs)
[13:12]
X
R/W
SE_CONNECTION_SETUP
Single-ended measurement connection setup
00 = do not use
01 = use when one CINx connected to CDC positive input,
single-ended measurements only
10 = use when one CINx connected to CDC negative input,
single-ended measurements only
11 = differential connection to CDC
[14]
X
R/W
NEG_AFE_OFFSET_DISABLE
Negative AFE offset enable control
0 = enable
1 = disable
[15]
X
R/W
POS_AFE_OFFSET_DISABLE
Positive AFE offset enable control
0 = enable
1 = disable
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