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参数资料
型号： 71M6521FE-IGT/F
厂商： MAXIM INTEGRATED PRODUCTS INC
元件分类： 模拟信号调理
英文描述： SPECIALTY ANALOG CIRCUIT, QFP64
封装： LEAD FREE, LQFP-64
文件页数： 60/103页
文件大小： 1691K
代理商： 71M6521FE-IGT/F
71M6521DE/71M6521FE
Energy Meter IC
DATA SHEET
OCTOBER 2010
Page: 6 of 103
2005-2010 Teridian Semiconductor Corporation
v1.1
A Maxim Integrated Products Brand
19-5370; 10/10
List of Figures
Figure 1: IC Functional Block Diagram....................................................................................................................................9
Figure 2: General Topology of a Chopped Amplifier .............................................................................................................12
Figure 3: AFE Block Diagram.................................................................................................................................................13
Figure 4: Samples from Multiplexer Cycle ............................................................................................................................16
Figure 5: Accumulation Interval ............................................................................................................................................16
Figure 6: Interrupt Structure .................................................................................................................................................37
Figure 7: Optical Interface....................................................................................................................................................40
Figure 8: Connecting an External Load to DIO Pins ..............................................................................................................42
Figure 9: 3-Wire Interface. Write Command, HiZ=0..............................................................................................................44
Figure 10: 3-Wire Interface. Write Command, HiZ=1............................................................................................................45
Figure 11: 3-Wire Interface. Read Command. ......................................................................................................................45
Figure 12: 3-Wire Interface. Write Command when CNT=0..................................................................................................45
Figure 13: 3-Wire Interface. Write Command when HiZ=1 and WFR=1. ..............................................................................45
Figure 14: Functions defined by V1 ......................................................................................................................................46
Figure 15: Voltage. Current, Momentary and Accumulated Energy ......................................................................................48
Figure 16: Timing Relationship between ADC MUX, Compute Engine, and Serial Transfers................................................49
Figure 17: RTM Output Format .............................................................................................................................................50
Figure 18: Operation Modes State Diagram..........................................................................................................................52
Figure 19: Functional Blocks in BROWNOUT Mode (inactive blocks grayed out).................................................................53
Figure 20: Functional Blocks in LCD Mode (inactive blocks grayed out)..............................................................................54
Figure 21: Functional Blocks in SLEEP Mode (inactive blocks grayed out) ..........................................................................55
Figure 22: Transition from BROWNOUT to MISSION Mode when System Power Returns..................................................56
Figure 23: Power-Up Timing with V3P3SYS and VBAT tied together ...................................................................................56
Figure 24: Power-Up Timing with VBAT only........................................................................................................................57
Figure 25: Wake Up Timing...................................................................................................................................................58
Figure 26: MPU/CE Data Flow...............................................................................................................................................59
Figure 27: MPU/CE Communication .....................................................................................................................................59
Figure 28: Resistive Voltage Divider (Left), Current Transformer (Right) ............................................................................60
Figure 29: Resistive Shunt....................................................................................................................................................60
Figure 30: Crystal Frequency over Temperature ...................................................................................................................62
Figure 31: Crystal Compensation..........................................................................................................................................63
Figure 32: Connecting LCDs .................................................................................................................................................64
Figure 33: I2C EEPROM Connection......................................................................................................................................66
Figure 34: Three-Wire EEPROM Connection.........................................................................................................................67
Figure 35: Connections for the RX Pin..................................................................................................................................67
Figure 36: Connection for Optical Components....................................................................................................................68
Figure 37: Voltage Divider for V1..........................................................................................................................................69
Figure 38: External Components for RESET: Development Circuit (Left), Production Circuit (Right) ..................................69
Figure 39: External Components for the Emulator Interface.................................................................................................70
Figure 40: Wh Accuracy, 0.1A to 200A at 240V/50Hz and Room Temperature....................................................................94
Figure 41: Meter Accuracy over Harmonics at 240V, 30A....................................................................................................94
Figure 42: Typical Meter Accuracy over Temperature Relative to 25°C................................................................................95
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相关代理商/技术参数
参数描述
71M6521FE-IGTR 制造商:Maxim Integrated Products 功能描述:Metering Systems on a Chip - SoC Residential Energy Meter IC
71M6521FE-IGTR/F 功能描述:计量片上系统 - SoC Residential Energy Meter IC RoHS:否 制造商:Maxim Integrated 核心:80515 MPU 处理器系列:71M6511 类型:Metering SoC 最大时钟频率:70 Hz 程序存储器大小:64 KB 数据 RAM 大小:7 KB 接口类型:UART 可编程输入/输出端数量:12 片上 ADC: 安装风格:SMD/SMT 封装 / 箱体:LQFP-64 封装:Reel
71M6521FE-IGTR/F1 功能描述:计量片上系统 - SoC RoHS:否 制造商:Maxim Integrated 核心:80515 MPU 处理器系列:71M6511 类型:Metering SoC 最大时钟频率:70 Hz 程序存储器大小:64 KB 数据 RAM 大小:7 KB 接口类型:UART 可编程输入/输出端数量:12 片上 ADC: 安装风格:SMD/SMT 封装 / 箱体:LQFP-64 封装:Reel
71M6521FE-IM 制造商:Maxim Integrated Products 功能描述:Metering Systems on a Chip - SoC Residential Energy Meter IC
71M6521FE-IM/F 功能描述:计量片上系统 - SoC Residential Energy Meter IC RoHS:否 制造商:Maxim Integrated 核心:80515 MPU 处理器系列:71M6511 类型:Metering SoC 最大时钟频率:70 Hz 程序存储器大小:64 KB 数据 RAM 大小:7 KB 接口类型:UART 可编程输入/输出端数量:12 片上 ADC: 安装风格:SMD/SMT 封装 / 箱体:LQFP-64 封装:Reel
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