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71M6113-IF Datasheet(PDF) 1 Page - Maxim Integrated Products

Part No. 71M6113-IF
Description  On-Chip Temperature Sensor Enables Localized Digital Temperature On-Chip Power Monitoring
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Maker  MAXIM [Maxim Integrated Products]
Homepage  http://www.maxim-ic.com
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71M6113-IF Datasheet(HTML) 1 Page - Maxim Integrated Products

 
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71M6103/71M6113/
71M6201/71M6203/
71M6601/71M6603
Isolated Sensor ICs
DATA SHEET
June 2011
v1.2
© 2008–2011 Teridian Semiconductor Corporation
1
A Maxim Integrated Products Brand
GENERAL DESCRIPTION
The 71M6103/71M6113/71M6201/71M6203/71M6601/71M6603
(71M6xxx) isolated sensor ICs enable Teridian’s 4th-generation
polyphase-metering 71M654x systems-on-chips (SoCs) to use
nonisolating sensors such as resistive shunts without the need
for costly and nonlinear isolation transformers or CTs. Isolation is
provided by low-cost pulse transformers that form a bidirectional
digital communication link between the 71M654x and the
isolated sensor ICs.
The 71M6xxx isolated sensor ICs contain a 22-bit delta-sigma
ADC, an amplifier with differential inputs, a precision voltage
reference, a temperature sensor, and a supply voltage generator
that is energized by power pulses provided by the 71M654x.
In conjunction with the 71M654x metering SoCs, the isolated
sensor ICs offer unprecedented BOM cost reduction, immunity to
magnetic tampering, and enhanced reliability for single-phase
and polyphase applications.
MPU
RTC
TIMERS
IADC0
VADC8 (VA)
IADC2
VADC9 (VB)
XIN
XOUT
RX
TX
TX
RX
COM0...5
V3P3A V3P3SYS
VBAT
VBAT_RTC
IADC4
VADC10 (VC)
SEG
GNDA GNDD
SEG/DIO
DIO
ICE
C
B
A
NEUTRAL
LOAD
8888.8888
PULSES,
DIO
IR
AMR
POWER FAULT
COMPARATOR
MODUL-
ATOR
SERIAL PORTS
OSCILLATOR/
PLL
MUX and ADC
LCD DRIVER
DIO, PULSES
COMPUTE
ENGINE
FLASH
MEMORY
RAM
32 kHz
REGULATOR
Shunt Current Sensors
POWER SUPPLY
TERIDIAN
71M6543F/
71M6543H
TEMPERATURE
SENSOR
VREF
IADC6
BATTERY
PWR MODE
CONTROL
WAKE-UP
NEUTRAL
I
2C or µWire
EEPROM
9/17/2010
IADC1
IADC3
IADC5
IADC7
RTC
BATTERY
V3P3D
BATTERY
MONITOR
SPI INTERFACE
HOST
LCD DISPLAY
Pulse Transformers
3x TERIDIAN
71M6xx3
Note: This system is referenced to Neutral
}IN*
}IA
}IB
}IC
*IN = Neutral Current
FEATURES
• 0.1% Accuracy Over 2000:1 Current
Range
• Exceeds IEC 62053/ANSI C12.20
Standards
• Compatible with Shunt Resistors as Low
as 50
µΩ
• On-Chip Temperature Sensor Enables
Localized Digital Temperature
Compensation by the 71M654x
• 22-Bit ADC
• Powered from the 71M654x Using Pulses
Sent Through the Transformer
• 3.3mW Typical Consumption
• On-Chip Power Monitoring
• Industrial Temperature Range
• 8-Pin Lead(Pb)-Free SO Package
19-5704; Rev 6/11


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