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ADP1043A View Datasheet(PDF) - Analog Devices

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ADP1043A Datasheet PDF : 72 Pages
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ADP1043A
Table 24. Register 0x19—CS2 × VS3 Value (Output Power)
Bits
Name
R/W Description
[15:0] Output power value R
This register contains the 16-bit output power information. This value is the product of the remote
output voltage value (VS3) and the output current reading (CS2). To read the output power
information, this register must be read using two consecutive read operations. The eight bits
of the first read return the eight MSBs of the output power information. The eight bits of the
second read return the eight LSBs of the output power information. See the Power Readings
section for the formulas needed to convert this digital reading into power information.
Table 25. Register 0x1A—RTD Temperature Value
Bits
Name
R/W Description
[15:4] Temperature value
R
This register contains the 12-bit output temperature information, as determined from the
RTD pin. To read the temperature information, this register must be read using two consecu-
tive read operations. The eight bits of the first read return the eight MSBs of the temperature
information. The top four bits of the second read return the four LSBs of the temperature
information. The range of the RTD pin is from 0 V to 1.55 V. This value has 12 bits of resolution,
which results in an LSB size of 378 μV. At 0 V input, the value in this register is 0 (0x000). At
1.5 V input, the ADC output is 3964 (0xF7C). The recommended nominal voltage at this pin
is 1 V. At 1 V input, the value in this register is 2643 (0xA53).
[3:0]
Reserved
R
Reserved.
Table 26. Register 0x1D—Share Bus Value
Bits
Name
R/W
[7:0]
Share bus value
R
Description
This register contains the 8-bit share bus voltage information. If the power supply is the
master, this register outputs 0.
Table 27. Register 0x1E—Modulation Value
Bits
Name
R/W Description
[7:0]
Modulation value
R
This register contains the 8-bit modulation information. It outputs the amount of
modulation from 0% to 100% that is being placed on the modulating edges.
Table 28. Register 0x1F—Line Impedance Value
Bits
Name
R/W Description
[7:0]
Line impedance value R
This register contains the 8-bit line impedance information. This value is (VS2 − VS3)/CS2.
Rev. 0 | Page 40 of 72
 

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