AD7147A Analog Devices, AD7147A Datasheet - Page 52

• Manufacturer Part Number: AD7147A
• Manufacturer: Analog Devices

Specifications of AD7147A

• Resolution (bits): 16bit
• # Chan: 13
• Sample Rate: 111SPS
• Interface: I²C/Ser 2-Wire,Ser,SPI
• Analog Input Type: Capacitive
• Ain Range: ± 8 pF (Delta C)
• Adc Architecture: Sigma-Delta
• Pkg Type: CSP

AD7147A
Table 36. STAGEx_CONNECTION[12:7] Register Description (x = 0 to 11)
Data Bit
[1:0]
[3:2]
[5:4]
[7:6]
[9:8]
[11:10]
[13:12]
[14]
[15]
1
X = don’t care.
Default
Value
X
X
X
X
X
X
X
X
X
1
Type
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
Name
CIN7_CONNECTION_SETUP
CIN8_CONNECTION_SETUP
CIN9_CONNECTION_SETUP
CIN10_CONNECTION_SETUP
CIN11_CONNECTION_SETUP
CIN12_CONNECTION_SETUP
SE_CONNECTION_SETUP
NEG_AFE_OFFSET_DISABLE
POS_AFE_OFFSET_DISABLE
Rev. B | Page 52 of 68
Description
CIN7 connection setup
CIN8 connection setup
CIN9 connection setup
CIN10 connection setup
CIN11 connection setup
CIN12 connection setup
Single-ended measurement connection setup
Negative AFE offset enable control
Positive AFE offset enable control
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)
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)
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)
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)
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)
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)
00 = Do not use
01 = Use when one CINx is connected to CDC positive
input, single-ended measurements only
10 = Use when one CINx is connected to CDC negative
input, single-ended measurements only
11 = Differential connection to CDC
0 = enable
1 = disable
0 = enable
1 = disable