71M6541D Datasheet, PDF (4/166 Pages) Maxim Integrated Products – 0.1% Accuracy Over 2000:1 Current Range Energy Meter ICs

71M6541D/F/G and 71M6542F/G Data Sheet
6.1 Absolute Maximum Ratings................................................................................................. 138
6.2 Recommended External Components ................................................................................. 139
6.3 Recommended Operating Conditions.................................................................................. 139
6.4 Performance Specifications................................................................................................. 140
6.4.1 Input Logic Levels ................................................................................................... 140
6.4.2 Output Logic Levels................................................................................................. 140
6.4.3 Battery Monitor........................................................................................................ 141
6.4.4 Temperature Monitor............................................................................................... 141
6.4.5 Supply Current ........................................................................................................ 142
6.4.6 V3P3D Switch ......................................................................................................... 143
6.4.7 Internal Power Fault Comparators ........................................................................... 143
6.4.8 2.5 V Voltage Regulator – System Power ................................................................ 143
6.4.9 2.5 V Voltage Regulator – Battery Power ................................................................. 144
6.4.10 Crystal Oscillator ..................................................................................................... 144
6.4.11 Phase-Locked Loop (PLL) ....................................................................................... 144
6.4.12 LCD Drivers ............................................................................................................ 145
6.4.13 VLCD Generator...................................................................................................... 146
6.4.14 VREF ...................................................................................................................... 148
6.4.15 ADC Converter........................................................................................................ 149
6.4.16 Pre-Amplifier for IAP-IAN......................................................................................... 150
6.5 Timing Specifications .......................................................................................................... 151
6.5.1 Flash Memory ......................................................................................................... 151
6.5.2 SPI Slave ................................................................................................................ 151
6.5.3 EEPROM Interface.................................................................................................. 151
6.5.4 RESET Pin.............................................................................................................. 152
6.5.5 RTC ........................................................................................................................ 152
6.6 Package Outline Drawings .................................................................................................. 153
6.6.1 64-Pin LQFP Outline Package Drawing ................................................................... 153
6.6.2 100-Pin LQFP Package Outline Drawing ................................................................. 154
6.7 Package Markings .............................................................................................................. 155
6.8 Pinout Diagrams ................................................................................................................. 156
6.8.1 71M6541D/F/G LQFP-64 Package Pinout ............................................................... 156
6.8.2 71M6542F/G LQFP-100 Package Pinout................................................................. 157
6.9 Pin Descriptions .................................................................................................................. 158
6.9.1 Power and Ground Pins........................................................................................... 158
6.9.2 Analog Pins............................................................................................................. 159
6.9.3 Digital Pins .............................................................................................................. 160
6.9.4 I/O Equivalent Circuits ............................................................................................. 162
7 Ordering Information ................................................................................................................. 163
7.1 71M6541D/F/G and 71M6542F/G ....................................................................................... 163
8 Related Information ................................................................................................................... 163
9 Contact Information................................................................................................................... 163
Appendix A: Acronyms ..................................................................................................................... 164
Appendix B: Revision History........................................................................................................... 165