AD7142 Analog Devices, AD7142 Datasheet - Page 41

• 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 20. STAGE_CAL_EN Register
Address
0x001
[0]
[1]
[2]
[3]
[4]
[5]
[6]
[7]
[8]
[9]
[10]
[11]
[13:12]
[15:14]
Data Bit
Default Value
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Type
R/W
Name
STAGE0_CAL_EN
STAGE1_CAL_EN
STAGE2_CAL_EN
STAGE3_CAL_EN
STAGE4_CAL_EN
STAGE5_CAL_EN
STAGE6_CAL_EN
STAGE7_CAL_EN
STAGE8_CAL_EN
STAGE9_CAL_EN
STAGE10_CAL_EN
STAGE11_CAL_EN
AVG_FP_SKIP
AVG_LP_SKIP
Rev. A | Page 41 of 72
Description
STAGE0 calibration enable
STAGE1 calibration enable
STAGE2 calibration enable
STAGE3 calibration enable
STAGE4 calibration enable
STAGE5 calibration enable
STAGE6 calibration enable
STAGE7 calibration enable
STAGE8 calibration enable
STAGE9 calibration enable
STAGE10 calibration enable
STAGE11 calibration enable
Full power mode skip control
Low power mode skip control
0 = disable
1 = enable
0 = disable
1 = enable
0 = disable
1 = enable
0 = disable
1 = enable
0 = disable
1 = enable
0 = disable
1 = enable
0 = disable
1 = enable
0 = disable
1 = enable
0 = disable
1 = enable
0 = disable
1 = enable
0 = disable
1 = enable
0 = disable
1 = enable
00 = skip 3 samples
01 = skip 7 samples
10 = skip 15 samples
11 = skip 31 samples
00 = use all samples
01 = skip 1 sample
10 = skip 2 samples
11 = skip 3 samples
AD7142