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