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STPMS2L-PUR Datasheet(PDF) 12 Page - STMicroelectronics

Part # STPMS2L-PUR
Description  Smart sensor II dual-channel 1-bit, 4 MHz, second-order sigma-delta modulator with embedded PGLNA
PDF  33 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

STPMS2L-PUR Datasheet(HTML) 12 Page - STMicroelectronics

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Application
STPMS2
12/33
Doc ID 16525 Rev 3
Note:
Above listed components refer to typical metering application. Anyhow, STPMS2 operation
is not limited to the choice of these external components.
Table 6.
Recommended external components in metering applications
Function
Component
Description
Value
Tolerance
Unit
Calculator
STPMC1
---
---
---
---
Line voltage
interface
Resistor
divider
R to R ratio VRMS=230V
1:1650
±1%
50ppm/°C
V/V
R to R ratio VRMS=110V
1:830
Line current
interface
Rogowski coil
Current-to-voltage ratio KS
0.15
±5%
50ppm/°C
mV/A
CT
1.7
±5%
Shunt
0.43
±5%
Figure 5.
Simplified application schematics for STPMC1 based energy metering
AM09893v1
R S T N
LOAD
Ant i Al i a s i ng
Ne t wor k
CIN
CIP
GND
VCC
VDD
DAT
DAT n
CL K
MS 1
MS 0
MS 3
MS 2
VBG
VIP
VIN
Ant i Al i a s i ng
Ne t wor k
CIN
CIP
GND
VCC
VDD
DAT
DAT n
CL K
MS 1
MS 0
MS 3
MS 2
VBG
VIP
VIN
Ant i Al i a s i ng
Ne t wor k
CIN
CIP
GND
VCC
VDD
DAT
DAT n
CL K
MS 1
MS 0
MS 3
MS 2
VBG
VIP
VIN
Ca lc ula t or
STPMC1A
DAT
CL K
DAS
DAR



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