STPM14 STMicroelectronics, STPM14 Datasheet - Page 7

• Manufacturer Part Number: STPM14
• Description: (STPM11 - STPM14) Single phase energy metering IC
• Manufacturer: STMicroelectronics

STPM11/12/13/14
4
Table 4.
Energy measurement accuracy
General section
PSRR
PSRR
Symbol
V
V
Error
POR
V
SNR
∆I
f
V
f
I
t
f
LINE
I
OTP
OTP
CLK
BW
DDA
DDD
CC
OTP
CC
CC
DC
AC
Effective bandwidth
Measurement error
Signal to noise ratio
Power supply DC rejection
Power supply AC rejection
Operating supply voltage
Supply current configuration
registers cleared or device
locked (TSTD=1)
Increase of supply current per
configuration bit, during
programming
Increase of supply current per
configuration bit with device
locked
Power on reset on V
Analog supply voltage
Digital supply voltage
Oscillator clock frequency
Nominal line frequency
OTP programming voltage
OTP programming current per
bit
OTP programming time per bit
Electrical characteristics
Electrical characteristics
(V
between V
CC
=5V, T
Parameter
CC
A
= 25°C, 2.2µF between V
and V
CC
SS
unless otherwise specified)
Limited by digital filtering
Over the dynamic range (5% to
1000% of the calibration power
value)
Over the entire bandwidth
Voltage signal: 200
mV
mV
V
Voltage signal: 200
mV
mV
V
V
4 MHz, V
8 MHz, V
4 MHz, V
4 MHz, V
MDIV bit = 0
MDIV bit = 1
CC
CC
CC
rms
rms
rms
rms
=3.3V±10%, 5V±10%
=3.3V+0.2V
=5.0V+0.2V
/50Hz Current signal: 10
/50Hz f
/50Hz Current signal: 10
/50Hz f
Test conditions
CC
CC
CC
CC
DDA
= 5V
= 5V
= 5V
= 5V
CLK
CLK
rms
rms
and V
= 4.194 MHz
= 4.194 MHz
1@100Hz
1@100Hz
SS
, 2.2µF between V
1.425
4.000
8.000
Min.
2.85
100
3.0
45
14
5
Electrical characteristics
Typ.
1.50
120
DDD
0.1
3.5
4.7
2.5
3.0
2.5
52
2
and V
1.575
4.194
8.192
Max.
3.15
400
300
0.2
0.1
5.5
65
20
4
6
SS
, 2.2µF
µA/bit
MHz
MHz
Unit
mA
mA
Hz
db
Hz
µs
%
%
%
V
V
V
V
V
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