78M6631-IM/F/P48 Ver la hoja de datos (PDF) - Maxim Integrated

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78M6631-IM/F/P48

3-Phase Power Measurement IC

Maxim Integrated 

78M6631 Data Sheet

DS_6631_056

Figures

Figure 1: 78M6631 IC Functional Block Diagram ......................................................................................... 6

Figure 2: AFE Block Diagram ....................................................................................................................... 8

Figure 3: Functions Defined by V1.............................................................................................................. 11

Figure 4: SPI Slave Port: Typical Read and Write Operations ................................................................... 13

Figure 5: SPI Slave Port Timing.................................................................................................................. 22

Figure 6: Pinout for QFN-56 Package......................................................................................................... 23

Figure 7: PCB Land Pattern for QFN-56 Package...................................................................................... 25

Figure 8: I/O Equivalent Circuits ................................................................................................................. 28

Tables

Table 1: SPI Command Description............................................................................................................ 13

Table 2: Absolute Maximum Ratings .......................................................................................................... 15

Table 3: Recommended External Components .......................................................................................... 16

Table 4: Recommended Operating Conditions........................................................................................... 16

Table 5: Input Logic Levels ......................................................................................................................... 17

Table 6: Output Logic Levels ...................................................................................................................... 17

Table 7: Power-Fault Comparator Performance Specifications.................................................................. 17

Table 8: Power Supply Monitor Performance Specifications (BME= 1)...................................................... 18

Table 9: Supply Current Performance Specifications ................................................................................. 18

Table 10: Crystal Oscillator Performance Specifications............................................................................ 18

Table 11: Temperature Sensor Performance Specifications ...................................................................... 19

Table 12: VREF Performance Specifications.............................................................................................. 19

Table 13: ADC Converter Performance Specifications............................................................................... 20

Table 14: Flash Memory Timing Specifications .......................................................................................... 21

Table 15: EEPROM Interface Timing.......................................................................................................... 21

Table 16: RESET Timing ............................................................................................................................ 21

Table 17: SPI Slave Port Timing................................................................................................................. 22

Table 19: Power and Ground Pins.............................................................................................................. 26

Table 20: Analog Pins ................................................................................................................................. 26

Table 21: Digital Pins .................................................................................................................................. 27

Table 22: Ordering Information ................................................................................................................... 29

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