Datasheet
Data Sheet ADE7854/ADE7858/ADE7868/ADE7878
Rev. G | Page 3 of 100
REVISION HISTORY
10/13—Rev. F to Rev. G
Changes to Product Title and Features Section ............................ 1
Changes to Table 2 ............................................................................ 9
Deleted Junction Temperature; Table 6 ........................................ 15
Changes to NC and CLKIN Pin Descriptions ............................. 16
Replaced Typical Performance Characteristics Section ............. 18
Added Text to Test Circuit Section ............................................... 21
Changes to Terminology Section .................................................. 22
Changes to PSM2—Low Power Mode (ADE7868, ADE7878
Only) Section and Added Figure 25 ............................................. 24
Changes to Changing Phase Voltage Datapath Section and
Figure 42 ........................................................................................... 33
Changes to Reference Circuit Section; Added Figure 56,
Figure 57, and Figure 58; Renumbered Sequentially .................. 41
Changes to Current RMS Compensation Section ......................... 44
Changes to Current Mean Absolute Value Calculation—
ADE7868 and ADE7878 Only and Figure 60 .............................. 45
Changes to Voltage RMS Offset Compensation Section ............... 47
Changes to Line Cycle Active Energy Accumulation Mode
Section ............................................................................................... 51
Changes to Quick Setup as Energy Meter Section and
Figure 95 ........................................................................................... 75
Changes to Figure 96 and Figure 97; Added Crystal Circuit
Section .............................................................................................. 76
Changes to Address 0xE520 Description; Table 33 .................... 84
Changes to Bit 11, Bit 12, Bit 13 Descriptions; Table 43 ............ 91
Updated Outline Dimensions ........................................................ 99
10/12—Rev. E to Rev. F
Changes to Figure 1 ........................................................................... 4
Changes to Figure 2 ........................................................................... 5
Changes to Figure 3 ........................................................................... 6
Changes to Figure 4 ........................................................................... 7
Changes to Table 2 ............................................................................ 8
Changes to Figure 5 ......................................................................... 11
Added Text under Table 6 .............................................................. 14
Changes to Figure 9 and to Table 8 ............................................... 15
Changes to Power-Up Procedure Section .................................... 24
Changes to Figure 31 and Figure 32 ............................................. 28
Changes to Figure 39 ...................................................................... 30
Changes to Voltage Waveform Gain Register Section ................ 31
Changes to Figure 41 ...................................................................... 32
Changes to Phase Compensation Section .................................... 37
Changes to Digital Signal Processor Section ............................... 39
Changes to Equation 12 .................................................................. 40
Changes to Current RMS Offset Compensation Section .......... 42
Changes to Voltage Channel RMS Calculation Section ............. 43
Changes to Voltage RMS Offset Compensation Section and
to Figure 59 ...................................................................................... 44
Changes to Equation 20 and to Equation 21 ............................... 45
Changes to Active Energy Calculation Section ........................... 46
Changes to Figure 62 and to following text and to Equation 25 .... 47
Changes to Equation 32, Equation 34, and to Reactive
Power Gain Calibration Section .................................................... 50
Changes to Reactive Energy Calculation Section ....................... 51
Changes to Figure 66 ...................................................................... 52
Changes to Energy Accumulation Modes Sections and to
Caption for Figure 67 ...................................................................... 53
Changes to Equation 40 ................................................................. 54
Changes to Apparent Power Calculation Using VNOM Section ... 55
Changes to CF Outputs for Various Accumultation Modes
Section .............................................................................................. 60
Changes to Sign of Sum-of-Phase Powers in the CFx
Datapath Section and to Equation 47 ........................................... 61
Changes to Equation 48 ................................................................. 62
Changes to Checksum Register Section and to Table 23 ........... 63
Changes to Figure 81 ...................................................................... 66
Changes to Figure 82 ...................................................................... 67
Changes to SPI-Compatible Interface Section ............................ 68
Changes to HSDC Interface Section ............................................ 70
Changes to Figure 88 ...................................................................... 71
Changes to Figure 89, added Quick Setup as Energy Meter
Section, added Layout Guidelines, and added Figure 90;
Renumbered Sequentially .............................................................. 72
Added Figure 91 and Figure 92 ..................................................... 73
Changes to Table 30 ........................................................................ 78
Changes to Table 33 ........................................................................ 79
Changes to Table 46 ........................................................................ 90
4/11—Rev. D to Rev. E
Changes to Input Clock FrequencyParameter, Table 2 .............. 10
Changes to Current RMS Offset Compensation Section .......... 42
Changes to Voltage RMS Offset Compensation Section ........... 44
Changes to Note 2, Table 30........................................................... 77
Changes to Address 0xE707, Table 33 .......................................... 80
Changes to Table 45 ........................................................................ 87
Changes to Table 46 ........................................................................ 88
Changes to Bit Location 7:3, Default Value, Table 54 ................ 92
2/11—Rev. C to Rev. D
Changes to Figure 1 .......................................................................... 4
Changes to Figure 2 .......................................................................... 5
Changes to Figure 3 .......................................................................... 6
Changes to Figure 4 .......................................................................... 7
Changes to Table 2 ............................................................................ 8
Changed SCLK Edge to HSCLK Edge, Table 5 ........................... 13
Change to Current Channel HPF Section ................................... 28
Change to di/dt Current Sensor and Digital Integrator Section .... 30
Changes to Digital Signal Processor Section ............................... 39
Changes to Figure 59 ...................................................................... 44
Changes to Figure 62 ...................................................................... 47
Changes to Figure 65 ...................................................................... 49
Changes to Figure 66 ...................................................................... 52
Changes to Line Cycle Reactive Energy Accumulation Mode
Section and to Figure 67 ................................................................. 53