参数资料
| 型号： | ADP1046ACPZ-RL |
| 厂商： | Analog Devices Inc |
| 文件页数： | 54/92页 |
| 文件大小： | 0K |
| 描述： | IC DGTL CTRLR 32LFCSP |
| 标准包装： | 5,000 |
| 应用： | 电源 |
| 输入电压： | 0 V ~ 1.6 V |
| 电源电压： | 3 V ~ 3.6 V |
| 电流 - 电源： | 20mA |
| 工作温度： | -40°C ~ 125°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 32-WFQFN 裸露焊盘，CSP |
| 供应商设备封装： | 32-LFCSP-WQ（5x5） |
| 包装： | 带卷 (TR) |
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ADP1046
Table 24. Register 0x18—CS2 Value (Output Current)
Data Sheet
Bits
[15:4]
Bit Name
Output current value
R/W
R
Description
This register contains the 12-bit output current information. This value is the voltage drop
across the sense resistor. To obtain the current value, the user must divide the value of this
register by the sense resistor value (see the CS2+, CS2? Pins section). The CS2± pins have a
full-scale input range of 120 mV or 60 mV (set in Register 0x27[5]). This value has 12 bits of
resolution; the LSB step size depends on the input range value.
When the CS2 input range is set to 120 mV, the LSB step size is 29.30 μV. For example, at
a 30 mV input signal on CS2, the value in this register is 30 mV/29.30 μV = 1024 (0x400).
When the CS2 input range is set to 60 mV, the LSB step size is 14.65 μV. For example, at
a 30 mV input signal on CS2, the value in this register is 30 mV/14.65 μV = 2048 (0x800).
[3:0]
Reserved
R
Reserved.
Table 25. Register 0x19—CS2 × VS3 Value (Output Power)
Bits
[15:0]
Bit Name
Output power value
R/W
R
Description
This register contains the 16-bit output power information. This value is the product of the remote
section for the formulas needed to convert this digital reading into power information.
Table 26. Register 0x1A—RTD Temperature Value
Bits
[15:4]
Bit Name
Temperature value
R/W
R
Description
This register contains the 12-bit output temperature information, as determined from the
RTD pin. The range of the RTD pin is from 0 V to 1.6 V. This value has 12 bits of resolution,
which results in an LSB size of 390.625 μV. At 0 V input, the value in this register is 0 (0x000).
The recommended nominal voltage at this pin is 1 V. At 1 V input, these bits read 2560 (0xA00).
[3:0]
Reserved
R
Reserved.
Table 27. Register 0x1B—Read Temperature
Bits
[7:0]
Bit Name
Read temperature
R/W
R/W
Description
This register returns an 8-bit temperature in °C (unsigned decimal format). For this feature
to function correctly, the external thermistor must be 100 k? with a 16.5 k?, 1% resistor in
parallel, and the selected current source must be trimmed to 46 μA by selecting 40 μA in
Register 0x11[7:6] and using the current trim (fine-trim) bits in Register 0x11[5:0].
Table 28. Register 0x1C—RTD Offset Trim (MSB)
Bits
[7:2]
1
Bit Name
Reserved
Trim polarity
R/W
R
R/W
Description
Reserved.
Setting this bit to 1 means that negative offset is introduced.
Setting this bit to 0 means that positive offset is introduced.
0
RTD offset trim (MSB)
R/W
This bit is the MSB of the RTD offset trim. Together with Register 0x20 (the LSBs), this bit sets
the amount of offset trim that is applied to the RTD ADC reading.
Table 29. Register 0x1D—Share B us Value
Bits
[7:0]
Bit Name
Share bus value
R/W
R
Description
This register contains the 8-bit share bus voltage information. If the power supply is the
master, this register outputs 0.
Table 30. Register 0x1E—Modulation Value
Bits
[7:0]
Bit Name
Modulation value
R/W
R
Description
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 31. Register 0x1F—Line Impedance Value
Bits
[7:0]
Bit Name
Line impedance value
R/W
R
Description
This register contains the 8-bit line impedance information. This value is (VS2 ? VS3)/CS2.
Rev. B | Page 54 of 92
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