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MAXQ3181-RAN+

产品描述Low-Power, Active Energy, Polyphase AFE
产品类别模拟混合信号IC    信号电路   
文件大小1006KB,共84页
制造商Maxim(美信半导体)
官网地址https://www.maximintegrated.com/en.html
标准
下载文档 详细参数 选型对比 全文预览

MAXQ3181-RAN+概述

Low-Power, Active Energy, Polyphase AFE

MAXQ3181-RAN+规格参数

参数名称属性值
是否无铅不含铅
是否Rohs认证符合
厂商名称Maxim(美信半导体)
零件包装代码SSOP
包装说明TSSOP, TSSOP28,.25
针数28
Reach Compliance Codecompli
ECCN代码EAR99
Samacsys DescriptiLow-Power, Active Energy, Polyphase AFE
模拟集成电路 - 其他类型ANALOG CIRCUIT
JESD-30 代码R-PDSO-G28
长度9.7 mm
湿度敏感等级1
功能数量1
端子数量28
最高工作温度85 °C
最低工作温度-40 °C
封装主体材料PLASTIC/EPOXY
封装代码TSSOP
封装等效代码TSSOP28,.25
封装形状RECTANGULAR
封装形式SMALL OUTLINE, THIN PROFILE, SHRINK PITCH
峰值回流温度(摄氏度)NOT SPECIFIED
电源3/3.3 V
认证状态Not Qualified
座面最大高度1.1 mm
最大供电电压 (Vsup)3.6 V
最小供电电压 (Vsup)2.7 V
标称供电电压 (Vsup)3.3 V
表面贴装YES
温度等级INDUSTRIAL
端子形式GULL WING
端子节距0.65 mm
端子位置DUAL
处于峰值回流温度下的最长时间NOT SPECIFIED
宽度4.4 mm

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19-4668; Rev 1; 12/09
Low-Power, Active Energy, Polyphase AFE
General Description
The MAXQ3181 is a dedicated electricity measurement
front-end that collects and calculates polyphase volt-
age, current, active power and energy, and many other
metering parameters of a polyphase load. The comput-
ed results can be retrieved by an external master
through the on-chip serial peripheral interface (SPI™)
bus. This bus is also used by the external master to
configure the operation of the MAXQ3181 and monitor
the status of operations.
The MAXQ3181 performs voltage and current measure-
ments using an integrated ADC that can measure up to
seven external differential signal pairs. An eighth differ-
ential signal pair is used to measure the die tempera-
ture. An internal amplifier automatically adjusts the
current channel gain to compensate for low-current
channel-signal levels.
Features
Compatible with 3-Phase/3-Wire, 3-Phase/4-Wire,
and Other 3-Phase Services
0.1% Active Power and Energy Linearity Error
0.5% Apparent Power and Energy Linearity Error
0.5% Linearity Errors for RMS Voltage and RMS
Current
Neutral Line Current Measurement
Line Frequency (Hz)
Power Factors
Phase Sequence Indication
Phase Voltage Absence Detection
Programmable Pulse Width
Programmable No-Load Current Threshold
Programmable Meter Constant
Programmable Thresholds for Undervoltage and
Overvoltage Detection
Programmable Threshold for Overcurrent Detection
Amp-Hours in Absence of Voltage Signals
On-Chip Digital Temperature Sensor
Precision Internal Voltage Reference 2.048V
(30ppm/°C typical), Also Supports An External
Voltage Reference
Active Power and Energy of Each Phase and
Combined 3-Phase (kWh), Positive and Negative
Apparent Power and Energy of Each Phase and
Combined 3-Phase
Supports Software Meter Calibration
Up to 3-Point Multipoint Calibration to
Compensate for Transducer Nonlinearity
Power-Fail Detection
Bidirectional Reset Input/Output
SPI-Compatible Serial Interface with Interrupt
Request (IRQ) Output
Single 3.3V Supply, Low Power (35mW typical)
MAXQ3181
Applications
3-Phase Active Energy Electricity Meters
Ordering Information
PART
MAXQ3181-RAN+
TEMP RANGE
-40°C to +85°C
PIN-PACKAGE
28 TSSOP
+Denotes
a lead(Pb)-free/RoHS-compliant package.
Pin Configuration and Typical Application Circuit appear at
end of data sheet.
MAXQ is a registered trademark of Maxim Integrated Products, Inc.
SPI is a trademark of Motorola, Inc.
Note:
Some revisions of this device may incorporate deviations from published specifications known as errata. Multiple revisions of any device may be
simultaneously available through various sales channels. For information about device errata, go to:
www.maxim-ic.com/errata.
________________________________________________________________
Maxim Integrated Products
1
For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642,
or visit Maxim’s website at www.maxim-ic.com.

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