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STPM10 数据表(PDF) 5 Page - STMicroelectronics |
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STPM10 数据表(HTML) 5 Page - STMicroelectronics |
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5 / 51 page ![]() STPM10 List of figures Doc ID 17728 Rev 3 5/51 List of figures Figure 1. Block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 Figure 2. Pin connections (top view) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 Figure 3. Supply current vs. supply voltage, TA = 25 °C (f = 4.194 MHz, 8.192 MHz). . . . . . . . . . . . 13 Figure 4. RC oscillator frequency vs. VCC, R = 12 kΩ, TA = 25 °C . . . . . . . . . . . . . . . . . . . . . . . . . . 13 Figure 5. RC oscillator: frequency jitter vs. temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13 Figure 6. Analog voltage regulator: line - load regulation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13 Figure 7. Digital voltage regulator: line - load regulation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13 Figure 8. Voltage channel linearity at different VCC voltages. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13 Figure 9. Power supply AC rejection vs. VCC. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 Figure 10. Power supply DC rejection vs. VCC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 Figure 11. Error over dynamic range gain dependence. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 Figure 12. Primary current channel linearity at different VCC. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 Figure 13. Gain response of ΔΣ A/D converters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 Figure 14. First-order ΣΔ A/D converter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17 Figure 15. ZCR signal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17 Figure 16. LIN and BFR signals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18 Figure 17. Band-gap temperature variation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19 Figure 18. Timings of tamper module - Primary channel selected. . . . . . . . . . . . . . . . . . . . . . . . . . . . 21 Figure 19. Timings of tamper module - Secondary channel selected . . . . . . . . . . . . . . . . . . . . . . . . . 22 Figure 20. Different oscillator circuits with (a) quartz, (b) internal oscillator, (c) external source . . . . . 23 Figure 21. STPM10 data records map . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27 Figure 22. Timing for providing remote reset request . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32 Figure 23. Data record reconstruction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33 Figure 24. Timing for data record reading . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34 Figure 25. Timing for writing configuration and mode bits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35 Figure 26. Active energy computation diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38 Figure 27. STPM10 reference schematic with one current transformer and one shunt. . . . . . . . . . . . 45 Figure 28. TSSOP20 footprint recommended data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49 |
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