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参数资料
| 型号： | 71M6511H-IGT/F |
| 厂商： | Maxim Integrated |
| 文件页数： | 70/98页 |
| 文件大小： | 0K |
| 描述： | IC ENERGY METER RESIDENT 64-LQFP |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 160 |
| 系列： | * |
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71M6511/71M6511H
Single-Phase Energy Meter IC
A Maxim Integrated Products Brand
DATA SHEET
NOVEMBER 2010
Temperature Measurement and Temperature Compensation
Input variables: TEMP_NOM is the reference value for temperature measurement, i.e. when this value is set with
TEMP_RAW_X at known temperature. The 71M6511/6511H measures temperature with reference to this value.
DEGSCALE is the slope or rate of temperature increase or decrease from the TEMP_NOM for TEMP_X measurement.
PPMC and PPMC2 are temperature compensation coefficients. Their values should reflect the characteristics of the band gap
voltage reference of the chip. PPMC and PPMC2 follow the square law characteristics to compensate for nonlinear temperature
behaviors, when the 71M6511/6511H is in internal temperature compensation mode.
CE
Addres
Name
Defaul
t
Description
s
0x11
0x30
TEMP_NOM
DEGSCALE
0
9585
During calibration, the value of TEMP_RAW_X should be placed in
TEMP_NOM .
Scale factor for TEMP_X .
TEMP_X = - DEGSCALE *2 -22 *( TEMP_RAW_X - TEMP_NOM ).
Should be 15 or 0. When 15, causes the CE to ignore internal tem-
perature compensation and permits the MPU to control GAIN_ADJ .
When internal temperature compensation is selected, GAIN_ADJ will be:
GAIN _ ADJ = 16384 + floor ? ? 1 +
2
? ?
0x38
EXT_TEMP
0
?
?
TEMP _ X ? PPMC
14
+
TEMP _ X 2 ? PPMC 2 ?
2 23 ?
Default is 0 (internal compensation).
Linear temperature compensation factor. Equals the linear temperature
coefficient (PPM/°C) of VREF multiplied by 26.84, or TC1 (expressed in
0x39
PPMC
0
μV/°C, see Electrical Specifications) multiplied by 22.46. A positive
value will cause the meter to run faster when hot. The compensation
factor affects both V and I and will therefore have a double effect on
products.
(expressed in μV/°C , see Electrical Specifications) multiplied by
0x3A
PPMC
2
0
Square-law temperature compensation factor. Equals the square-law
temperature coefficient (PPM/°C 2 ) of VREF multiplied by 1374, or TC2
2
1150.1. A positive value will cause the meter to run faster when hot. The
compensation factor affects both V and I and will therefore have a
double effect on products.
EXT_TEMP allows the MPU to select between direct control of GAIN_ADJ or management of GAIN_ADJ by the CE, based on
TEMP_X and the temperature correction coefficients PPMC and PPMC2 .
Output variables: TEMP_X is the temperature measurement from reference temperature of TEMP_NOM . TEMP_X is
computed using TEMP_RAW_X and DEGSCALE . This quantity is positive when the temperature is above the reference and is
negative for cold temperatures.
TEMP_RAW_X is the raw processed value from ADC output and is the fundamental quantity for temperature measurement.
TEMP_RAW_X is less than TEMP_NOM at higher temperatures. TEMP_RAW_X is more than TEMP_NOM for cooler
temperatures than reference temperature.
Page: 70 of 98
? 2005–2010 Teridian Semiconductor Corporation
V2.7
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相关代理商/技术参数 |
参数描述 |
|---|---|
| 71M6511H-IGTR | 制造商:Maxim Integrated Products 功能描述:RESID. HI PRECISION METR (1P, .1%) - Tape and Reel |
| 71M6511H-IGTR/F | 功能描述:计量片上系统 - SoC Highly Integrated SoC w/MCU Core 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 |
| 71M6511-IGT | 制造商:TERIDIAN 制造商全称:TERIDIAN 功能描述:Single-Phase Energy Meter IC |
| 71M6511-IGT/F | 功能描述:计量片上系统 - SoC Highly Integrated SoC w/MCU Core 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 |
| 71M6511-IGT/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 |
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