ADPD6000 datasheet(77/89 Pages) AD

77 / 89 page

Data Sheet

ADPD6000

analog.com

Rev. 0 | 77 of 89

Table 21. Register Details

Reg

Name

Bits

Bit Name

Description

Reset Access

0x0144 AFE_TRIM1_B

[14:13]

CH2_TRIM_INT_x

Channel 2 integrator resistor or buffer gain.

0x0

R/W

0x0164 AFE_TRIM1_C

00: RIN = 400 kΩ or buffer gain = 1 (RF/RIN = 200 kΩ/200 kΩ).

0x0184 AFE_TRIM1_D

01: RIN = 200 kΩ or buffer gain = 2 (RF/RIN = 200 kΩ/100 kΩ).

0x01A4 AFE_TRIM1_E

10: RIN = 100 kΩ or buffer gain = 1 (RF/RIN = 100 kΩ/100 kΩ).

0x01C4 AFE_TRIM1_F

11: RIN = 50 kΩ or buffer gain = 2 (RF/RIN = 100 kΩ/50 kΩ).

0x01E4 AFE_TRIM1_G

[12:11]

CH1_TRIM_INT_x

Channel 1 integrator resistor or buffer gain.

0x0

R/W

0x0204 AFE_TRIM1_H

00: RIN = 400 kΩ or buffer gain = 1 (RF/RIN = 200 kΩ/200 kΩ).

0x0224 AFE_TRIM1_I

01: RIN = 200 kΩ or buffer gain = 2 (RF/RIN = 200 kΩ/100 kΩ).

0x0244 AFE_TRIM1_J

10: RIN = 100 kΩ or buffer gain = 1 (RF/RIN = 100 kΩ/100 kΩ).

0x0264 AFE_TRIM1_K

11: RIN = 50 kΩ or buffer gain = 2 (RF/RIN = 100 kΩ/50 kΩ).

0x0284 AFE_TRIM1_L

VREF_PULSE_x

TIA_VREF pulse control.

0x0

R/W

0: no pulsing.

1: pulse TIA_VREF based on modulate pulse.

[9:8]

AFE_TRIM_VREF_x

Voltage trim for ref buffer.

0x2

R/W

00: TIA_VREF = 0.8855 V, PD reverse bias = 600 mV.

01: TIA_VREF = 0.8855 V, PD reverse bias = 400 mV

10: TIA_VREF = 0.8855 V, PD reverse bias = 200 mV

11: TIA_VREF = 1.265 V, PD reverse bias = 200 mV

[7:6]

VREF_PULSE_VAL_x

TIA_VREF pulse alternate value.

0x3

R/W

00: modulate TIA_VREF = 0.8855 V, PD reverse bias = 600 mV.

01: modulate TIA_VREF = 0.8855 V, PD reverse bias = 400 mV.

10: modulate TIA_VREF = 0.8855 V, PD reverse bias = 200 mV.

11: modulate TIA_VREF = 1.265 V, PD reverse bias = 200 mV.

[5:3]

TIA_GAIN_CH2_x

TIA resistor gain setting for Channel 2.

0x1

R/W

000: 400 kΩ.

001: 200 kΩ.

010: 100 kΩ.

011: 50 kΩ.

100: 25 kΩ.

101: 12.5 kΩ.

[2:0]

TIA_GAIN_CH1_x

TIA resistor gain setting for Channel 1.

0x1

R/W

000: 400 kΩ.

001: 200 kΩ.

010: 100 kΩ.

011: 50 kΩ.

100: 25 kΩ.

101: 12.5 kΩ.

0x0125 AFE_TRIM2_A

[15:14]

RESERVED

Reserved.

0x0

0x0145 AFE_TRIM2_B

CH2_TRIM_INT_CAP_x

Channel2 integrator capacitor.

0x0

R/W

0x0165 AFE_TRIM2_C

0: 6.3 pF.

0x0185 AFE_TRIM2_D

1: 12.6 pF.

0x01A5 AFE_TRIM2_E

CH1_TRIM_INT_CAP_x

Channel1 integrator capacitor.

0x0

R/W

0x01C5 AFE_TRIM2_F

0: 6.3 pF.

0x01E5 AFE_TRIM2_G

1: 12.6 pF.

0x0205 AFE_TRIM2_H

[11:0]

RESERVED

Reserved.

0x0

0x0225 AFE_TRIM2_I

0x0245 AFE_TRIM2_J

0x0265 AFE_TRIM2_K

ADPD6000 Datasheet(PDF) 77 Page - Analog Devices

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