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参数资料
| 型号： | 71M6513H-IGTR/F |
| 厂商： | Maxim Integrated |
| 文件页数： | 11/104页 |
| 文件大小： | 0K |
| 描述： | IC ENERGY METER 3PH 100-LQFP |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 1,000 |
| 系列： | Single Converter Technology® |
| 测量误差： | 0.1% |
| 电源电压： | 3 V ~ 3.6 V |
| 测量仪表类型： | 3 相 |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 100-LQFP |
| 供应商设备封装： | 100-LQFP（14x14） |
| 包装： | 带卷 (TR) |
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71M6513/71M6513H
A Maxim Integrated Products Brand
3 -Phase Energy Meter IC
DATA SHEET
SEPTEMBER 2011
With all switches set to the “B” position by applying the inverted CROSS signal, the output voltage is:
Voutn – Voutp = G (Vinn – Vinp + Voff) = G (Vinn – Vinp) + G Voff, or
Voutp – Voutn = G (Vinp – Vinn) - G Voff
Thus, when CROSS is toggled, e.g. after each multiplexer cycle, the offset will alternately appear on the output as positive and
negative, which results in the offset effectively being eliminated, regardless of its polarity or magnitude.
The Functional Description Section contains a chapter with a detailed description on controlling the CHOP_EN register.
Temperature Sensor
The 71M6513/6513H includes an on-chip temperature sensor implemented as a bandgap reference. It is used to determine
the die temperature The MPU may request an alternate multiplexer cycle containing the temperature sensor output by
asserting MUX_ALT .
The primary use of the temperature data is to determine the magnitude of compensation required to offset the thermal drift in
the system (see section titled “Temperature Compensation”).
The zero reference for the temperature sensor is VBIAS.
V3
V3 is an additional analog monitor input that can be used for analog measurements, such as neutral current. It is sampled
when the multiplexer performs an alternate multiplexer cycle. The zero reference for the V3 input is VBIAS.
V3 is also routed into the comparator block where it is compared to VBIAS. Comparator interrupts should be disabled when
the V3 input is used for analog measurements.
Functional Description
The AFE functions as a data acquisition system, controlled by the MPU. The main signals (IA, VA, IB, VB, IC, VC) are
sampled and the ADC counts obtained are stored in CE RAM where they can be accessed by the CE and, if necessary, by the
MPU. Alternate multiplexer cycles are initiated less frequently by the MPU to gather access to the slow signals, temperature
and V3.
IA
VA
VREF
VBIAS
?Σ ADC
CONVERTER
IB
VB
MUX
VBIAS
(1.5V)
IC
V3P3A
-
VC
+
FIR
FILTER
V3
TEMP
MUX
VREF
CHOP_EN
VREF_DIS
VREF
FIR_LEN
MUX
CTRL
EQU
MUX_ALT
CK32
MUX_DIV
Figure 3: AFE Block Diagram
? 2005-2011 Teridian Semiconductor Corporation
Page: 11 of 104
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相关代理商/技术参数 |
参数描述 |
|---|---|
| 71M6513-IEL | 制造商:未知厂家 制造商全称:未知厂家 功能描述:71M6513 |
| 71M6513-IEL/F | 功能描述:计量片上系统 - SoC 3-Phase Energy Meter I/C 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 |
| 71M6513-IELR/F | 制造商:Maxim Integrated Products 功能描述:Metering Systems on a Chip - SoC 3-Phase Energy Meter I/C |
| 71M6513-IGT/F | 功能描述:计量片上系统 - SoC 3-Phase Energy Meter I/C 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 |
| 71M6513-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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