AD7142 Analog Devices, AD7142 Datasheet - Page 53

• Manufacturer Part Number: AD7142
• Description: Programmable Controller for Capacitance Touch Sensors
• Manufacturer: Analog Devices

Specifications of AD7142

• Resolution (bits): 16bit
• # Chan: 14
• Sample Rate: 250kSPS
• Interface: I²C/Ser 2-Wire,Ser,SPI
• Analog Input Type: Diff-Uni
• Ain Range: ± 2 pF (Delta C)
• Adc Architecture: Sigma-Delta
• Pkg Type: CSP

Table 42. STAGE9 Configuration Registers
Address
0x0C8
0x0C9
0x0CA
0x0CB
0x0CC
0x0CD
0x0CE
0x0CF
Table 43. STAGE10 Configuration Registers
Address
0x0D0
0x0D1
0x0D2
0x0D3
0x0D4
0x0D5
0x0D6
0x0D7
Table 44. STAGE11 Configuration Registers
Address
0x0D8
0x0D9
0x0DA
0x0DB
0x0DC
0x0DD
0x0DE
0x0DF
Data Bit
[15:0]
[15:0]
[15:0]
[15:0]
[15:0]
[15:0]
[15:0]
[15:0]
Data Bit
[15:0]
[15:0]
[15:0]
[15:0]
[15:0]
[15:0]
[15:0]
[15:0]
Data Bit
[15:0]
[15:0]
[15:0]
[15:0]
[15:0]
[15:0]
[15:0]
[15:0]
Default
Value
X
X
X
X
X
X
X
X
Default
Value
X
X
X
X
X
X
X
X
Default
Value
X
X
X
X
X
X
X
X
Type
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
Type
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
Type
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
STAGE9_OFFSET_LOW
STAGE9_OFFSET_HIGH
STAGE9_OFFSET_HIGH_CLAMP
STAGE9_OFFSET_LOW_CLAMP
Name
STAGE9_CONNECTION[6:0]
STAGE9_CONNECTION[13:7]
STAGE9_AFE_OFFSET
STAGE9_SENSITIVITY
Name
STAGE10_CONNECTION[6:0]
STAGE10_CONNECTION[13:7]
STAGE10_AFE_OFFSET
STAGE10_SENSITIVITY
STAGE10_OFFSET_LOW
STAGE10_OFFSET_HIGH
STAGE10_OFFSET_HIGH_CLAMP
STAGE10_OFFSET_LOW_CLAMP
Name
STAGE11_CONNECTION[6:0]
STAGE11_CONNECTION[13:7]
STAGE11_AFE_OFFSET
STAGE11_SENSITIVITY
STAGE11_OFFSET_LOW
STAGE11_OFFSET_HIGH
STAGE11_OFFSET_HIGH_CLAMP
STAGE11_OFFSET_LOW_CLAMP
Rev. A | Page 53 of 72
Description
STAGE9 CIN(6:0) connection setup (see Table 45)
STAGE9 CIN(13:7) connection setup (see Table 46)
STAGE9 AFE offset control (see Table 47)
STAGE9 sensitivity control (see Table 48)
STAGE9 initial offset low value
STAGE9 initial offset high value
STAGE9 offset high clamp value
STAGE9 offset low clamp value
Description
STAGE10 CIN(6:0) connection setup (see Table 45)
STAGE10 CIN(13:7) connection setup (see Table 46)
STAGE10 AFE offset control (see Table 47)
STAGE10 sensitivity control (see Table 48)
STAGE10 initial offset low value
STAGE10 initial offset high value
STAGE10 offset high clamp value
STAGE10 offset low clamp value
Description
STAGE11 CIN(6:0) connection setup (see Table 45)
STAGE11 CIN(13:7) connection setup (see Table 46)
STAGE11 AFE offset control (see Table 47)
STAGE11 sensitivity control (see Table 48)
STAGE11 initial offset low value
STAGE11 initial offset high value
STAGE11 offset high clamp value
STAGE11 offset low clamp value
AD7142