STPM11_08 STMICROELECTRONICS [STMicroelectronics], STPM11_08 Datasheet - Page 4

no-image

STPM11_08

Manufacturer Part Number
STPM11_08
Description
Single phase energy metering IC with pulsed output and digital calibration
Manufacturer
STMICROELECTRONICS [STMicroelectronics]
Datasheet
List of figures
Figure 1.
Figure 2.
Figure 3.
Figure 4.
Figure 5.
Figure 6.
Figure 7.
Figure 8.
Figure 9.
Figure 10.
Figure 11.
Figure 12.
Figure 13.
Figure 14.
Figure 15.
Figure 16.
Figure 17.
Figure 18.
Figure 19.
Figure 20.
Figure 21.
Figure 22.
Figure 23.
Figure 24.
4/45
Block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Pin connections (top view) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Supply current vs supply voltage, T
RC Oscillator frequency vs V
RC oscillator: frequency jitter vs temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Analog voltage regulator: line - load regulation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Digital voltage regulator: line - load regulation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Voltage channel linearity at different V
Power supply AC rejection vs V
Power supply DC rejection vs V
Error over dynamic range gain dependence. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
Primary current channel linearity at different V
Gain response of Δ Σ AD Converters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
Clock frequency vs external resistor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
First order Σ Δ A/D Converter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Bandgap temperature variation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
Tamper conditions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
Different oscillator circuits (a); (b); (c) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
Positive energy or absolute computation energy (ABS=1) stepper driving signals . . . . . . 26
Negative energy stepper driving signals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
Timing for writing configuration and mode bits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
Active energy computation diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
Charge pump schematic . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39
Application schematic . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40
CC
, R =12 kΩ, T
CC
CC
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
A
= 25°C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
CC
voltages. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
A
CC
= 25°C. . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

Related parts for STPM11_08