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| 型号： | MAX71020AEUI+ |
| 厂商： | Maxim Integrated |
| 文件页数： | 1/35页 |
| 文件大小： | 0K |
| 描述： | IC ENERGY METER 1PH 28TSSOP |
| 标准包装： | 50 |
| 输入阻抗： | 50 千欧 ~ 100 千欧 |
| 测量误差： | 0.5% |
| 电压 - 高输入/输出： | 2V |
| 电压 - 低输入/输出： | 0.8V |
| 电流 - 电源： | 4.3mA |
| 电源电压： | 2.8 V ~ 3.6 V |
| 测量仪表类型： | 单相 |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 28-TSSOP（0.173"，4.40mm 宽） |
| 供应商设备封装： | 28-TSSOP |
| 包装： | 管件 |
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MAX71020
Single-Chip Electricity Meter AFE
General Description
Features
The MAX71020 is a single-chip analog front-end (AFE)
for use in high-performance revenue meters. It contains
the compute engine (CE) found in Maxim Integrated’s
fourth-generation meter system-on-chip (SoC) and an
improved analog-to-digital converter (ADC), and inter-
faces to the host controller of choice over a SPI interface.
The MAX71020 comes in a 28-pin TSSOP package.
Ordering Information appears at end of data sheet.
For related parts and recommended products to use with this part,
refer to www.maximintegrated.com/MAX71020.related .
CT
NEUTRAL
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
0.1% Accuracy Over 2000:1 Current Range
Exceeds IEC 62053/ANSI C12.20 Standards
Two Differential Current Sensor Inputs
Two Voltage Sensor Inputs
Selectable Gain of 1 or 8.9 for One Current Input
to Support a Shunt
High-Speed Wh/VARh Pulse Outputs with
Programmable Width
Up to Four Pulse Outputs with Pulse Count
Four-Quadrant Metering
Digital Temperature Compensation
Independent 32-Bit Compute Engine
45Hz to 65Hz Line Frequency Range with Same
Calibration
Phase Compensation (±10°)
Four Multifunction DIO Pins
SPI Interface
-40°C to +85°C Industrial Temperature Range
28-Pin TSSOP Lead(Pb)-Free Package
Typical Operating Circuit
LINE
SHUNT
LOAD
NEUTRAL
LINE
NOTE: THIS SYSTEM IS REFERENCED TO LINE VOLTAGE
POWER SUPPLY
LINE
RESISTOR-
DIVIDER
MUX AND ADC
IAP
IAN
V 3P3A V 3P3SYS
MAX71020
GNDA
GNDD
VA
VB
IBP
IBN
TEMPERATURE SENSOR
REGULATOR
V REF
COMPUTE ENGINE
POWER-FAULT
COMPARATOR
DIO, PULSES
OSCILLATOR/PLL
HOST
SPI
INTERFACE
XIN
9.8304MHz
XOUT
For pricing, delivery, and ordering information, please contact Maxim Direct at
1-888-629-4642, or visit Maxim Integrated’s website at www.maximintegrated.com.
19-6400; Rev 1; 1/13
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX71020AEUI+ | 功能描述:电信线路管理 IC Single-Chip AFE Electricity Meter RoHS:否 制造商:STMicroelectronics 产品:PHY 接口类型:UART 电源电压-最大:18 V 电源电压-最小:8 V 电源电流:30 mA 最大工作温度:+ 85 C 最小工作温度:- 40 C 安装风格:SMD/SMT 封装 / 箱体:VFQFPN-48 封装:Tray |
| MAX71020AEUI+R | 制造商:MAXIM 制造商全称:Maxim Integrated Products 功能描述:Single-Chip Electricity Meter AFE |
| MAX710C/D | 功能描述:直流/直流开关转换器 3.3V/5V or Adjustable Step-Up Step-Down DC-DC Converters RoHS:否 制造商:STMicroelectronics 最大输入电压:4.5 V 开关频率:1.5 MHz 输出电压:4.6 V 输出电流:250 mA 输出端数量:2 最大工作温度:+ 85 C 安装风格:SMD/SMT |
| MAX710C/D DIE | 制造商:Maxim Integrated Products 功能描述: |
| MAX710ESE | 功能描述:直流/直流开关转换器 3.3/5V or Adjustable Step-Up Step-Down RoHS:否 制造商:STMicroelectronics 最大输入电压:4.5 V 开关频率:1.5 MHz 输出电压:4.6 V 输出电流:250 mA 输出端数量:2 最大工作温度:+ 85 C 安装风格:SMD/SMT |
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