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CS5467
9.1.3 Calibration Order . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
9.1.4 Temperature Sensor Calibration . . . . . . . . . . . . . . . . . . . . . . . . . . . .
9.1.4.1 Temperature Offset Calibration . . . . . . . . . . . . . . . . . . . . . . .
9.1.4.2 Temperature Gain Calibration . . . . . . . . . . . . . . . . . . . . . . . .
10. E2PROM Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
10.1 E 2 PROM Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
10.2 E 2 PROM Code . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
10.3 Which E 2 PROMs Can Be Used? . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
11. Basic Application Circuits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
12. Package Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
13. Ordering Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
14. Environmental, Manufacturing, & Handling Information . . . . . . . . . . . . . . . . .
15. Revision History . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
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LIST OF FIGURES
Figure 1. CS5467 Read and Write Timing Diagrams ................................................................. 12
Figure 2. Timing Diagram for E1 , E2 , and E3 .............................................................................. 13
Figure 3. Signal Flow for V1, I1, P1, Q1 Measurements ............................................................ 14
Figure 4. Signal Flow for V2, I2, P2, Q2 Measurements ............................................................ 14
Figure 5. Low-rate Calculations .................................................................................................. 16
Figure 6. Two-channel Power Summation.................................................................................. 16
Figure 7. Oscillator Connections................................................................................................. 18
Figure 8. Sag and Fault Detect................................................................................................... 22
Figure 9. Fixed RMS Voltage Selection...................................................................................... 23
Figure 10. Calibration Data Flow ................................................................................................ 40
Figure 11. System Calibration of Offset...................................................................................... 40
Figure 12. System Calibration of Gain........................................................................................ 41
Figure 13. Typical Interface of E 2 PROM to CS5467 .................................................................. 42
Figure 14. Typical Connection Diagram ..................................................................................... 43
LIST OF TABLES
Table 1. Interrupt Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Table 2. Current Input Gain Ranges . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Table 3. High-pass Filter Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Table 4. E2 Pin Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Table 5. E3 Pin Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Table 6. E1 / E2 Modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Table 7. E3 Pin with E1MODE enabled . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
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