AD7142 Analog Devices, AD7142 Datasheet - Page 52

• 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

AD7142
Table 39. STAGE6 Configuration Registers
Address
0x0B0
0x0B1
0x0B2
0x0B3
0x0B4
0x0B5
0x0B6
0x0B7
Table 40. STAGE7 Configuration Registers
Address
0x0B8
0x0B9
0x0BA
0x0BB
0x0BC
0x0BD
0x0BE
0x0BF
Table 41. STAGE8 Configuration Registers
Address
0x0C0
0x0C1
0x0C2
0x0C3
0x0C4
0x0C5
0x0C6
0x0C7
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
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
Type
Type
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
Name
STAGE6_CONNECTION[6:0]
STAGE6_CONNECTION[13:7]
STAGE6_AFE_OFFSET
STAGE6_SENSITIVITY
STAGE6_OFFSET_LOW
STAGE6_OFFSET_HIGH
STAGE6_OFFSET_HIGH_CLAMP
STAGE6_OFFSET_LOW_CLAMP
Name
STAGE7_CONNECTION[6:0]
STAGE7_CONNECTION[13:7]
STAGE7_AFE_OFFSET
STAGE7_SENSITIVITY
STAGE7_OFFSET_LOW
STAGE7_OFFSET_HIGH
STAGE7_OFFSET_HIGH_CLAMP
STAGE7_OFFSET_LOW_CLAMP
Name
STAGE8_CONNECTION[6:0]
STAGE8_CONNECTION[13:7]
STAGE8_AFE_OFFSET
STAGE8_SENSITIVITY
STAGE8_OFFSET_LOW
STAGE8_OFFSET_HIGH
STAGE8_OFFSET_HIGH_CLAMP
STAGE8_OFFSET_LOW_CLAMP
Rev. A | Page 52 of 72
STAGE6 sensitivity control (see Table 48)
STAGE6 initial offset low value
STAGE6 offset low clamp value
STAGE7 sensitivity control (see Table 48)
STAGE7 initial offset low value
STAGE7 offset high clamp value
STAGE7 offset low clamp value
Description
STAGE6 CIN(6:0) connection setup (see Table 45)
STAGE6 CIN(13:7) connection setup (see Table 46)
STAGE6 AFE offset control (see Table 47)
STAGE6 initial offset high value
STAGE6 offset high clamp value
Description
STAGE7 CIN(6:0) connection setup (see Table 45)
STAGE7 CIN(13:7) connection setup (see Table 46)
STAGE7 AFE offset control (see Table 47)
STAGE7 initial offset high value
Description
STAGE8 CIN(6:0) connection setup (see Table 45)
STAGE8 CIN(13:7) connection setup (see Table 46)
STAGE8 AFE offset control (see Table 47)
STAGE8 sensitivity control (see Table 48)
STAGE8 initial offset low value
STAGE8 initial offset high value
STAGE8 offset high clamp value
STAGE8 offset low clamp value