71M6543F Datasheet, PDF (4/157 Pages) Maxim Integrated Products – Selectable Gain of 1 or 8 for One Current Energy Meter ICs Metrology Compensation

71M6543F/H and 71M6543G/GH Data Sheet
5.4.8 CE Transfer Variables ............................................................................................. 125
5.4.9 Pulse Generation..................................................................................................... 127
5.4.10 CE Calibration Parameters ...................................................................................... 130
5.4.11 CE Flow Diagrams .................................................................................................. 131
6 71M6543 Specifications............................................................................................................. 133
6.1 Absolute Maximum Ratings................................................................................................. 133
6.2 Recommended External Components ................................................................................. 134
6.3 Recommended Operating Conditions.................................................................................. 134
6.4 Performance Specifications................................................................................................. 135
6.4.1 Input Logic Levels ................................................................................................... 135
6.4.2 Output Logic Levels................................................................................................. 135
6.4.3 Battery Monitor........................................................................................................ 136
6.4.4 Temperature Monitor............................................................................................... 137
6.4.5 Supply Current ........................................................................................................ 138
6.4.6 V3P3D Switch ......................................................................................................... 139
6.4.7 Internal Power Fault Comparators ........................................................................... 139
6.4.8 2.5 V Voltage Regulator – System Power ................................................................ 139
6.4.9 2.5 V Voltage Regulator – Battery Power ................................................................. 140
6.4.10 Crystal Oscillator ..................................................................................................... 140
6.4.11 Phase-Locked Loop (PLL) ....................................................................................... 140
6.4.12 LCD Drivers ............................................................................................................ 140
6.4.13 VLCD Generator...................................................................................................... 140
6.4.14 71M6543 VREF....................................................................................................... 143
6.4.15 ADC Converter........................................................................................................ 144
6.4.16 Pre-Amplifier for IADC0-IADC1................................................................................ 145
6.5 Timing Specifications .......................................................................................................... 146
6.5.1 Flash Memory ......................................................................................................... 146
6.5.2 SPI Slave ................................................................................................................ 146
6.5.3 EEPROM Interface.................................................................................................. 146
6.5.4 RESET Pin.............................................................................................................. 147
6.5.5 Real-Time Clock (RTC) ........................................................................................... 147
6.6 Typical Performance Data.........................................................Error! Bookmark not defined.
6.7 100-Pin LQFP Package Outline Drawing............................................................................. 148
6.8 71M6543 Pinout.................................................................................................................. 149
6.9 71M6543 Pin Descriptions................................................................................................... 150
6.9.1 71M6543 Power and Ground Pins ........................................................................... 150
6.9.2 71M6543 Analog Pins ............................................................................................. 151
6.9.3 71M6543 Digital Pins............................................................................................... 152
6.9.4 I/O Equivalent Circuits ............................................................................................. 154
7 Ordering Information ................................................................................................................. 155
7.1 71M6543 Ordering Guide.................................................................................................... 155
8 Related Information ................................................................................................................ 155
9 Contact Information ................................................................................................................ 155
Appendix A: Acronyms ..................................................................................................................... 156
Appendix B: Revision History........................................................................................................... 157
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