AD7142 Analog Devices, AD7142 Datasheet - Page 50

• 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
BANK 2 REGISTERS
All address values are expressed in hexadecimal.
Table 33. STAGE0 Configuration Registers
Address
0x080
0x081
0x082
0x083
0x084
0x085
0x086
0x087
Table 34. STAGE1 Configuration Registers
Address
0x088
0x089
0x08A
0x08B
0x08C
0x08D
0x08E
0x08F
Table 35. STAGE2 Configuration Registers
Address
0x090
0x091
0x092
0x093
0x094
0x095
0x096
0x097
Data Bit
[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]
[15:0]
[15:0]
[15:0]
[15:0]
[15:0]
[15:0]
Data Bit
[15:0]
[15:0]
[15:0]
[15:0]
X
X
X
X
X
Default
Value
X
X
X
X
X
X
X
X
Default
Value
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
Name
STAGE1_CONNECTION[6:0]
STAGE1_CONNECTION[13:7]
STAGE1_AFE_OFFSET
STAGE1_SENSITIVITY
STAGE1_OFFSET_LOW
STAGE1_OFFSET_HIGH
STAGE1_OFFSET_HIGH_CLAMP
STAGE1_OFFSET_LOW_CLAMP
Name
STAGE2_CONNECTION[6:0]
STAGE2_CONNECTION[13:7]
STAGE2_AFE_OFFSET
STAGE2_SENSITIVITY
STAGE2_OFFSET_LOW
STAGE2_OFFSET_HIGH
STAGE2_OFFSET_HIGH_CLAMP
STAGE2_OFFSET_LOW_CLAMP
Name
STAGE0_CONNECTION[6:0]
STAGE0_CONNECTION[13:7]
STAGE0_AFE_OFFSET
STAGE0_SENSITIVITY
STAGE0_OFFSET_LOW
STAGE0_OFFSET_HIGH
STAGE0_OFFSET_HIGH_CLAMP
STAGE0_ OFFSET_LOW_CLAMP
Rev. A | Page 50 of 72
Description
STAGE0 CIN(6:0) connection setup (see Table 45)
STAGE0 CIN(13:7) connection setup (see Table 46)
STAGE0 AFE offset control (see Table 47)
STAGE0 sensitivity control (see Table 48)
STAGE0 initial offset low value
STAGE0 initial offset high value
STAGE0 offset high clamp value
STAGE0 offset low clamp value
STAGE1 AFE offset control (see Table 47)
STAGE1 sensitivity control (see Table 48)
STAGE1 initial offset low value
STAGE1 initial offset high value
STAGE1 offset high clamp value
STAGE1 offset low clamp value
STAGE2 CIN(6:0) connection setup (see Table 45)
STAGE2 CIN(13:7) connection setup (see Table 46)
STAGE2 AFE offset control (see Table 47)
STAGE2 sensitivity control (see Table 48)
STAGE2 initial offset low value
STAGE2 initial offset high value
STAGE2 offset high clamp value
STAGE2 offset low clamp value
Description
STAGE1 CIN(6:0) connection setup (see Table 45)
STAGE1 CIN(13:7) connection setup (see Table 46)
Description