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參數資料
型號: 71M6543G-IGT/F
廠商: MAXIM INTEGRATED PRODUCTS INC
元件分類: 模擬信號調理
英文描述: SPECIALTY ANALOG CIRCUIT, PQFP100
封裝: LEAD FREE, LQFP-100
文件頁數: 143/157頁
文件大?。?/td> 2178K
代理商: 71M6543G-IGT/F
71M6543F/H and 71M6543G/GH Data Sheet
86
2008–2011 Teridian Semiconductor Corporation
v1.2
4
Application Information
4.1
Connecting 5 V Devices
All digital input pins of the 71M6543 are compatible with external 5 V devices. I/O pins configured as
inputs do not require current-limiting resistors when they are connected to external 5 V devices.
4.2
Directly Connected Sensors
Figure 27 through Figure 30 show voltage-sensing resistive dividers, current-sensing current transformers
(CTs) and current-sensing resistive shunts and how they are connected to the voltage and current inputs
of the 71M6543. All input signals to the 71M6543 sensor inputs are voltage signals providing a scaled
representation of either a sensed voltage or current.
The analog input pins of the 71M6543 are designed for sensors with low source impedance.
RC filters with resistance values higher than those implemented in the Teridian Demo Boards
must not be used. Please refer to the Demo Board schematics for complete sensor input
circuits and corresponding component values.
VIN
ROUT
V3P3A
VADCn
(n = 8, 9 or 10)
Figure 27: Resistive Voltage Divider (Voltage Sensing)
IIN
IADCn
V3P3A
VOUT
IOUT
RBURDEN
CT
1:N
Noise Filter
(n = 0,1,...7)
Figure 28. CT with Single-Ended Input Connection (Current Sensing)
IIN
IADCn
IADCn+1
V3P3A
VOUT
IOUT
RBURDEN
CT
1:N
Bias Network and Noise Filter
(n = 0, 2, 4 or 6)
Figure 29: CT with Differential Input Connection (Current Sensing)
IIN
RSHUNT
IADCn
IADCn+1
V3P3A
VOUT
Bias Network and Noise Filter
(n = 2, 4 or 6)
Figure 30: Differential Resistive Shunt Connections (Current Sensing)
相關PDF資料
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722BG 2-OUTPUT DC-DC REG PWR SUPPLY MODULE
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73M1903-IGV SPECIALTY CONSUMER CIRCUIT, PQFP32
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相關代理商/技術參數
參數描述
71M6543G-IGTR/F 功能描述:計量片上系統 - SoC Precision Energy Meter IC RoHS:否 制造商:Maxim Integrated 核心:80515 MPU 處理器系列:71M6511 類型:Metering SoC 最大時鐘頻率:70 Hz 程序存儲器大小:64 KB 數據 RAM 大小:7 KB 接口類型:UART 可編程輸入/輸出端數量:12 片上 ADC: 安裝風格:SMD/SMT 封裝 / 箱體:LQFP-64 封裝:Reel
71M6543GT-IGT/F 制造商:Maxim Integrated Products 功能描述:3-PHASE, 128KK, PRES TEMP SENSOR - Bulk
71M6543GT-IGTR/F 制造商:Maxim Integrated Products 功能描述:3-PHASE, 128KK, PRES TEMP SENSOR - Tape and Reel
71M6543H 制造商:MAXIM 制造商全稱:Maxim Integrated Products 功能描述:Selectable Gain of 1 or 8 for One Current Energy Meter ICs Metrology Compensation
71M6543H-IGT/F 功能描述:IC ENERGY METER 100-LQFP 制造商:maxim integrated 系列:Single Converter Technology? 包裝:托盤 零件狀態:停產 輸入阻抗:- 測量誤差:0.1% 電壓 - I/O 高:2V 電壓 - I/O 低:0.8V 電流 - 電源:- 電壓 - 電源:3 V ~ 3.6 V 表計類型:3 相 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:100-LQFP 供應商器件封裝:100-LQFP(14x14) 標準包裝:90
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