ADMV1014ACCZ-R7 datasheet(40/42 Pages) AD

40 / 42 page

ADMV1014

Data Sheet

Rev. A | Page 40 of 42

Address: 0x08, Reset: 0x0000, Name: IF_AMP

IF Amp I, 10 Fine Steps from 0x0 to

0xA (Total attenuation ~1dB). Refer

to Figure 80 to Figure 82.

Digital IF Am p 1dB Step Gain_I

1111: Refer to Figure 77 to Figure 79.

111: Refer to Figure 77 to Figure 79.

11: Refer to Figure 77 to Figure 79.

1: Refer to Figure 77 to Figure 79.

0: Refer to Figure 77 to Figure 79.

IF Amp Q, 10 Fine Steps from 0x0

to 0xA (Total attenuation ~1dB). Refer

to Figure 80 to Figure 82.

[15:12] RESERVED

[3:0] IF_AMP_FINE_GAIN_I (R/W)

[11:8] IF_AMP_COARSE_GAIN_I (R/W)

[7:4] IF_AMP_FINE_GAIN_Q (R/W)

Table 16. Bit Descriptions for IF_AMP

Bits

Bit Name

Settings

Description

Reset

Access

[15:12]

RESERVED

Reserved.

0x0

[11:8]

IF_AMP_COARSE_GAIN_I

Digital IF Amp Step Gain I.

0x0

R/W

Refer to Figure 77 to Figure 79.

111

Refer to Figure 77 to Figure 79.

1111

Refer to Figure 77 to Figure 79.

[7:4]

IF_AMP_FINE_GAIN_Q

IF Amp Q, 10 Fine Steps from 0x0 to 0xA. Refer to Figure 80 to Figure 82.

0x0

R/W

[3:0]

IF_AMP_FINE_GAIN_I

IF Amp I, 10 Fine Steps from 0x0 to 0xA. Refer to Figure 80 to Figure 82.

0x0

R/W

Address: 0x9, Reset: 0x0000, Name: IF_AMP__BB_AMP

Digital IF Am p 1dB Step Gain_Q

1111: Refer to Figure 77 to Figure 79.

111: Refer to Figure 77 to Figure 79.

11: Refer to Figure 77 to Figure 79.

1: Refer to Figure 77 to Figure 79.

0: Refer to Figure 77 to Figure 79.

BB Am p I. Bit 4: Us e as Sign Bit, b’1

is for pos itive values and b’0 is for

negative values ; Bits [3:0] Minim um

Offset, 0xF: Maxim um Offs et.

BB Am p Q. Bit 9: Us e as Sign Bit,

b’1is for pos itive values and b’0 is

for negative values ; Bit [8:5] Minim um

Offset, 0xF: Maxim um Offs et.

[15:12] IF_AMP_COARSE_GAIN_Q (R/W)

[4:0] BB_AMP_OFFSET_I (R/W)

[11:10] RESERVED

[9:5] BB_AMP_OFFSET_Q (R/W)

Table 17. Bit Descriptions for IF_AMP__BB_AMP

Bits

Bit Name

Settings

Description

Reset

Access

[15:12]

IF_AMP_COARSE_GAIN_Q

Digital IF Amp 1 dB Step Gain Q

0x0

R/W

Refer to Figure 77 to Figure 79

111

Refer to Figure 77 to Figure 79

1111

Refer to Figure 77 to Figure 79

[11:10]

RESERVED

Reserved.

0x0

[9:5]

BB_AMP_OFFSET_Q

BB Amp Q (Bit 9: Use as Sign Bit, 1 is for positive values and 0 is for

negative values; Bits[8:5]: Minimum Offset, 0xF: Maximum Offset)

0x0

R/W

[4:0]

BB_AMP_OFFSET_I

BB Amp I (Bit 4: Use as Sign Bit, 1 is for positive values and 0 is for

negative values; Bits[3:0]: Minimum Offset, 0xF: Maximum Offset)

0x0

R/W

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