ADPD6000 datasheet(85/89 Pages) AD

85 / 89 page

Data Sheet

ADPD6000

analog.com

Rev. 0 | 85 of 89

Table 21. Register Details

Reg

Name

Bits

Bit Name

Description

Reset Access

0: disable 250 kHz cutoff frequency.

1: enable 250 kHz cutoff frequency.

BIOZ_BW50KEN_x

Reconstruction filter cutoff frequency of 50 kHz.

0x0

R/W

0: disable 50 kHz cutoff frequency.

1: enable 50 kHz cutoff frequency.

[7:0]

BIOZ_RATE_DIV_x

DAC update rate. DAC update rate = 32 MHz/

BIOZ_RATE_DIV_x.

0xD

R/W

0x02A8 BIOZ_DACGAIN_A

[15:13]

RESERVED

Reserved.

0x0

0x02C8 BIOZ_DACGAIN_B

BIOZ_DACGAIN_EN_x

Enable DAC gain.

0x1

R/W

0x02E8 BIOZ_DACGAIN_C

0: disable DAC gain correction.

0x0308 BIOZ_DACGAIN_D

1: perform DAC gain correction.

0x0328 BIOZ_DACGAIN_E

[11:0]

BIOZ_DAC_GAIN_x

DAC gain correction factor. Unsigned number.

0x800 R/W

0x0348 BIOZ_DACGAIN_F

0x000: maximum negative gain adjustment occurs.

0x001: 1/211.

0x800: no gain adjustment.

0xFFF: maximum positive gain adjustment occurs.

0x02A9 BIOZ_DACOFFSET_A

[15:13]

RESERVED

Reserved.

0x0

0x02C9 BIOZ_DACOFFSET_B

BIOZ_DACOFFSET_EN_x

Bypass DAC offset. Use the DAC offset calculated during the

calibration routine.

0x1

R/W

0x02E9 BIOZ_DACOFFSET_C

0: bypass DAC offset correction.

0x0309 BIOZ_DACOFFSET_D

1: perform DAC offset correction.

0x0329 BIOZ_DACOFFSET_E

[11:0]

BIOZ_DAC_OFFSET_x

DAC offset correction factor. Signed number represented in

twos complement format with 0.5 LSB precision. Used when

attenuator is disabled. Maximum positive adjustment. Results in

positive full scale/210 − 0.5 LSB adjustment.

0x0

R/W

0x0349 BIOZ_DACOFFSET_F

0.5. results in 0.5 LSB adjustment

0. no offset adjustment.

−0.5. results in −0.5 LSB adjustment.

−210. maximum negative adjustment. Results in negative full

scale/2 adjustment.

0x02AA BIOZ_ANA_CTRL1_A

[15:13]

BIOZ_TIA_RGAIN_x

Control signal for HPTIA feedback resistor.

0x1

R/W

0x02CA BIOZ_ANA_CTRL1_B

000: 1 kΩ.

0x02EA BIOZ_ANA_CTRL1_C

001: 2 kΩ.

0x030A BIOZ_ANA_CTRL1_D

010: 3 kΩ.

0x032A BIOZ_ANA_CTRL1_E

011: 4 kΩ.

0x034A BIOZ_ANA_CTRL1_F

100: 6 kΩ.

101: 8 kΩ.

110: 10 kΩ.

[12:9]

BIOZ_TIA_CGAIN_x

Control signal for HPTIA feedback capacitor.

0x7

R/W

0000: off.

0001: 1 pF.

0010: 2 pF.

0011: 3 pF.

0100: 4 pF (default value for low power).

0101: 5 pF.

0110: 6 pF.

0111: 7 pF (default value for high power).

1000: 8 pF.

1001: 9 pF.

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