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| 型号： | MCP3907T-I/SS |
| 厂商： | Microchip Technology |
| 文件页数： | 14/24页 |
| 文件大小： | 0K |
| 描述： | IC ENERGY METER W/OSC 24SSOP |
| 标准包装： | 1 |
| 系列： | * |
MCP3907 Energy Meter Reference Design
The major components on the front side of the MCP3907 Energy Meter Reference
Design are listed below this paragraph. See descriptions in Section 2.5 “Front side of
the PCB – Detailed Description” :
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Shunts for Gain and FC selection (J11–J15)
Calibration Jumpers (J1–J10)
Output Connections for Mechanical Counter and Calibration (JP5-JP7)
Connection to Current Sensing Element (JP1, JP2)
Connection to Voltage or Phase Line and Ground Reference Point (JP3, JP4)
The major components on the back side of the MCP3907 Energy Meter Reference
Design are listed below. See descriptions in Section 2.6 “Back Side of the PCB –
Detailed Description” .
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MCP3907 Device (U1)
DC Power Supply (C17, C16, U2, C18, D2)
Metal Oxide Varistor (MOV1)
Optical Isolator(U3)
The Analog Ground Plane, Power Supply Ground Plane, Moat
The following two sections give an overview of the blocks and their functionality. For
more detailed information regarding design decisions and approach to IEC1036
compliance please refer to AN994 application note – “IEC Compliant Active Energy
Meter Design using the MCP3905A/06A” . For a more detailed circuit schematic, refer
to Appendix A. “Schematic and Layouts” and Appendix B. “Bill of Materials
(BOM)” .
Shunts for Gain,
FC and HPF selection
(J11-J15)
Analog
Ground Plane
Output Conn.
(JP5-JP7)
Power Supply
Ground Plane
Current Conn.
(JP1,JP2)
Calibration
Jumpers (J1-J10)
FRONT
DC Power
Supply
Power Supply
Ground Plane
Opto.
Isolator (U3)
BACK
MCP3907 (U1)
Analog
Ground Plane
DS51917A-page 14
FIGURE 2-3:
MCP3907 Energy Meter Reference Design Block Diagram.
? 2010 Microchip Technology Inc.
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| MCP3908-I/SL | 功能描述:开关变换器、稳压器与控制器 Energy Meter IC Gain 1:32 Integ Oscilatr RoHS:否 制造商:Texas Instruments 输出电压:1.2 V to 10 V 输出电流:300 mA 输出功率: 输入电压:3 V to 17 V 开关频率:1 MHz 工作温度范围: 安装风格:SMD/SMT 封装 / 箱体:WSON-8 封装:Reel |
| MCP3908T-I/SL | 功能描述:开关变换器、稳压器与控制器 Energy Meter IC Gain 1:32 Integ Oscilatr RoHS:否 制造商:Texas Instruments 输出电压:1.2 V to 10 V 输出电流:300 mA 输出功率: 输入电压:3 V to 17 V 开关频率:1 MHz 工作温度范围: 安装风格:SMD/SMT 封装 / 箱体:WSON-8 封装:Reel |
| MCP3909 | 制造商:MICROCHIP 制造商全称:Microchip Technology 功能描述:Energy Metering IC with SPI Interface and Active Power Pulse Output |
| MCP3909_09 | 制造商:MICROCHIP 制造商全称:Microchip Technology 功能描述:Energy Metering IC with SPI Interface and Active Power Pulse Output |
| MCP3909-E/SS | 功能描述:模数转换器 - ADC Energy Meter IC Gain Dynamic Range RoHS:否 制造商:Texas Instruments 通道数量:2 结构:Sigma-Delta 转换速率:125 SPs to 8 KSPs 分辨率:24 bit 输入类型:Differential 信噪比:107 dB 接口类型:SPI 工作电源电压:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-32 |
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