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STPM11 数据表(PDF) 4 Page - STMicroelectronics

部件名 STPM11
功能描述  Single phase energy metering IC with pulsed output and digital calibration
PDF  45 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

STPM11 数据表(HTML) 4 Page - STMicroelectronics

  STPM11 Datasheet HTML 1Page - STMicroelectronics STPM11 Datasheet HTML 2Page - STMicroelectronics STPM11 Datasheet HTML 3Page - STMicroelectronics STPM11 Datasheet HTML 4Page - STMicroelectronics STPM11 Datasheet HTML 5Page - STMicroelectronics STPM11 Datasheet HTML 6Page - STMicroelectronics STPM11 Datasheet HTML 7Page - STMicroelectronics STPM11 Datasheet HTML 8Page - STMicroelectronics STPM11 Datasheet HTML 9Page - STMicroelectronics Next Button
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List of figures
STPM11/12/13/14
4/45
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 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 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
Δ Σ AD Converters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
Figure 14.
Clock frequency vs external resistor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
Figure 15.
First order
Σ Δ A/D Converter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Figure 16.
Bandgap temperature variation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
Figure 17.
Tamper conditions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
Figure 18.
Different oscillator circuits (a); (b); (c) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
Figure 19.
Positive energy or absolute computation energy (ABS=1) stepper driving signals . . . . . . 26
Figure 20.
Negative energy stepper driving signals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
Figure 21.
Timing for writing configuration and mode bits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
Figure 22.
Active energy computation diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
Figure 23.
Charge pump schematic . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39
Figure 24.
Application schematic . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40



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