AD9119BBCZ datasheet(61/66 Pages) AD

61 / 66 page

Data Sheet

AD9119/AD9129

Rev. B | Page 61 of 66

Data Mode Control Register

Address: 0x18, Reset: 0x00, Name: Data Mode Ctrl

Table 37. Bit Descriptions for Data Mode Ctrl

Bits

Bit Name

Description

Reset

Access

Filter enable

1: enables 2× interpolation filter

0: bypasses 2× interpolation filter

R/W

Binary select

Selects input data format

1: unsigned

0: signed (Twos complement)

R/W

FILT_SEL

2× interpolator filter select

1: 40 dB OOB rejection

0: 25 dB out-of-band (OOB) rejection

R/W

[4:0]

Reserved

Decoder Control (Program Thermometer Type) Register

Address: 0x19, Reset: 0x00, Name: Decode Ctrl

Table 38. Bit Descriptions for Decode Ctrl

Bits

Bit Name

Description

Reset

Access

[7:1]

Reserved

0x00

Mix-Mode enable

1: Mix-Mode

0: normal

R/W

Sync Control Register

Address: 0x1A, Reset: 0x00, Name: Sync

Table 39. Bit Descriptions for Sync

Bits

Bit Name

Description

Reset

Access

Inc latency

Increment delay by 1

R/W

Dec latency

Decrement delay by 1

R/W

Reserved

Sync enable

1: multi-DAC sync output pin enabled

0: multi-DAC sync output pin disabled

R/W

Sync done

1: last increment or decrement request is complete

[2:0]

Phase readback

Readback of existing SYNC phase delay value

Full-Scale Current Adjust (Lower) Register

Address: 0x20, Reset: 0x00, Name: FSC_1

Table 40. Bit Descriptions for FSC_1

Bits

Bit Name

Description

Reset

Access

[7:0]

Full-scale current, Bits[7:0]

DAC gain adjust; DAC full-scale current (LSB)

0x00

R/W

Full-Scale Current Adjust (Upper) Register

Address: 0x21 Reset: 0x02, Name: FSC_2

Table 41. Bit Descriptions for FSC_2

Bits

Bit Name

Description

Reset

Access

Reserved

R/W

[6:2]

Reserved

[1:0]

Full-scale current, Bits[9:8]

DAC gain adjust; DAC full-scale current (MSB)

0x02

R/W

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