參數(shù)資料
型號(hào)： 71M6521FE-IM/F
廠商： MAXIM INTEGRATED PRODUCTS INC
元件分類： 模擬信號(hào)調(diào)理
英文描述： SPECIALTY ANALOG CIRCUIT, QCC68
封裝： LEAD FREE, LQFN-68
文件頁(yè)數(shù)： 61/103頁(yè)
文件大小： 1691K
代理商： 71M6521FE-IM/F
71M6521DE/71M6521FE
Energy Meter IC
DATA SHEET
OCTOBER 2010
Page: 60 of 103
2005-2010 Teridian Semiconductor Corporation
v1.1
A Maxim Integrated Products Brand
19-5370; 10/10
APPLICATION INFORMATION
Connection of Sensors (CT, Resistive Shunt)
Figure 28 and Figure 29 show how resistive dividers, current transformers, and restive shunts are connected to the voltage and
current inputs of the 71M6521DE/FE.
VA = Vin * R
out/(Rout + Rin)
V
in
R
in
R
out
VA
Figure 28: Resistive Voltage Divider (Left), Current Transformer (Right)
Figure 29: Resistive Shunt
Temperature Measurement
Measurement of absolute temperature uses the on-chip temperature sensor while applying the following formula:
n
T
S
N
T
N
T
+
=
)
(
In the above formula T is the temperature in °C, N(T) is the ADC count at temperature T, Nn is the ADC count at 25°C, Sn is
the sensitivity in LSB/°C as stated in the Electrical Specifications, and Tn is +25°C.
相關(guān)PDF資料
PDF描述
71M6521FE-IGT/F SPECIALTY ANALOG CIRCUIT, QFP64
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
71M6521FE-IMR 制造商:Maxim Integrated Products 功能描述:Metering Systems on a Chip - SoC Residential Energy Meter IC
71M6521FE-IMR/F 功能描述:計(jì)量片上系統(tǒng) - SoC Residential Energy Meter IC RoHS:否 制造商:Maxim Integrated 核心:80515 MPU 處理器系列:71M6511 類型:Metering SoC 最大時(shí)鐘頻率:70 Hz 程序存儲(chǔ)器大小:64 KB 數(shù)據(jù) RAM 大小:7 KB 接口類型:UART 可編程輸入/輸出端數(shù)量:12 片上 ADC: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:LQFP-64 封裝:Reel
71M6521-TGP1-68M 制造商:Maxim Integrated Products 功能描述:Programmer Accessories Gang Programmer Base w/6521 Socket Brd
71M6523-DB 功能描述:開(kāi)發(fā)板和工具包 - 8051 71M6521D Demo Brd RoHS:否 制造商:Silicon Labs 產(chǎn)品:Development Kits 工具用于評(píng)估:C8051F960, Si7005 核心: 接口類型:USB 工作電源電壓:
71M6523-IM 功能描述:計(jì)量片上系統(tǒng) - SoC Residential Energy Meter IC RoHS:否 制造商:Maxim Integrated 核心:80515 MPU 處理器系列:71M6511 類型:Metering SoC 最大時(shí)鐘頻率:70 Hz 程序存儲(chǔ)器大小:64 KB 數(shù)據(jù) RAM 大小:7 KB 接口類型:UART 可編程輸入/輸出端數(shù)量:12 片上 ADC: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:LQFP-64 封裝:Reel
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