AD7148 Analog Devices, AD7148 Datasheet - Page 42

• Manufacturer Part Number: AD7148
• Manufacturer: Analog Devices

Specifications of AD7148

• Resolution (bits): 16bit
• # Chan: 8
• Sample Rate: 250kSPS
• Interface: I²C/Ser 2-Wire,Ser
• Analog Input Type: SE-Uni
• Ain Range: ± 8 pF (Delta C)
• Adc Architecture: Sigma-Delta
• Pkg Type: CSP

AD7148
Table 28. CDC 16-Bit Conversion Data Registers
Address
0x00B
0x00C
0x00D
0x00E
0x00F
0x010
0x011
0x012
Table 29. Device ID Register
Address
0x017
Table 30. Proximity Status Register
Address
0x042
Data Bit
[15:0]
[15:0]
[15:0]
[15:0]
[15:0]
[15:0]
[15:0]
[15:0]
Data Bit
[3:0]
[15:4]
Data Bit
[0]
[1]
[2]
[3]
[4]
[5]
[6]
[7]
[15:8]
0
0
0
0
0
0
0
Default
Value
0
0
0
0
0
0
0
0
Default
Value
0
148
Default
Value
0
Type
R
R
R
R
R
R
R
R
Type
R
R
Type
R
R
R
R
R
R
R
R
Mnemonic
CDC_RESULT_S0
CDC_RESULT_S1
CDC_RESULT_S2
CDC_RESULT_S3
CDC_RESULT_S4
CDC_RESULT_S5
CDC_RESULT_S6
CDC_RESULT_S7
Mnemonic
REVISION_CODE
DEVID
Mnemonic
STAGE0_PROXIMITY_STATUS
STAGE1_PROXIMITY_STATUS
STAGE2_PROXIMITY_STATUS
STAGE3_PROXIMITY_STATUS
STAGE4_PROXIMITY_STATUS
STAGE5_PROXIMITY_STATUS
STAGE6_PROXIMITY_STATUS
STAGE7_PROXIMITY_STATUS
Unused
Rev. A | Page 42 of 56
STAGE0 CDC 16-bit conversion data
AD7148 revision code
AD7148 device ID = 0x148
STAGE0 proximity status register
STAGE1 proximity status register
STAGE2 proximity status register
STAGE3 proximity status register
STAGE4 proximity status register
STAGE5 proximity status register
STAGE6 proximity status register
STAGE7 proximity status register
Set unused register bits to 0
Description
STAGE1 CDC 16-bit conversion data
STAGE2 CDC 16-bit conversion data
STAGE3 CDC 16-bit conversion data
STAGE4 CDC 16-bit conversion data
STAGE5 CDC 16-bit conversion data
STAGE6 CDC 16-bit conversion data
STAGE7 CDC 16-bit conversion data
Description
Description
1 = indicates proximity has been detected on STAGE0
1 = indicates proximity has been detected on STAGE1
1 = indicates proximity has been detected on STAGE2
1 = indicates proximity has been detected on STAGE3
1 = indicates proximity has been detected on STAGE4
1 = indicates proximity has been detected on STAGE5
1 = indicates proximity has been detected on STAGE6
1 = indicates proximity has been detected on STAGE7