Datasheet

AD7152/AD7153
Rev. 0 | Page 17 of 24
CAPDAC POS REGISTER
Address 0x11
Default Value 0x00
Table 14. Status Register Bit Map
Bit Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0
Mnemonic DACPen Unused Unused DACP – Bits[4:0] Value
Default 0 0 0 0x00
Table 15. Status Register Bit Descriptions
Bit Mnemonic Description
7 DACPen DACPen = 1 connects the capacitive DAC POS to the positive capacitive input
6 to 5 N/A These bits must be 0 for proper operation
4 to 0 DACP DACP value, Code 0x00 = 0 pF, Code 0x1F = full range
CAPDAC NEG REGISTER
Address 0x12
Default Value 0x00
Table 16. Status Register Bit Map
Bit Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0
Mnemonic DACNen Unused Unused DACN – Bit[4:0] Value
Default 0 0 0 0x00
Table 17. Status Register Bit Descriptions
Bit Mnemonic Description
7 DACNen DACNen = 1 connects the capacitive DAC NEG to the positive capacitive input
6 to 5 N/A These bits must be 0 for proper operation
4 to 0 DACN DACN value, Code 0x00 = 0 pF, Code 0x1F = full range
CONFIGURATION2 REGISTER
Address 0x1A,
Default Value 0x00
Table 18. Configuration2 Register Bit Map
Bit Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0
Mnemonic Unused Unused OSR1 OSR0
Default 0 0 0 0 0 0 0 0
Table 19. Configuration2 Register Bit Descriptions
Bit Mnemonic Description
7 to 6 N/A These bits must be 0 for proper operation
5
4
OSR1
OSR0
Capacitive channel digital filter setup; conversion time/update rate setup per channel
OSR1 OSR0 Conversion Time (ms) Update Rate (Hz)
0 0 5 200
0 1 20 50
1 0 50 20
1 1 60 16.7
3 to 0 N/A These bits must be 0 for proper operation