STPM14 STMicroelectronics, STPM14 Datasheet - Page 9

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

STPM11/12/13/14
Table 4.
Table 5.
Crystal oscillator (STPM12/14)
RC Oscillator (STPM11/13)
On chip reference voltage
Configuration interface timing
Line voltage
interface
Line current
interface
Symbol
F
I
R
V
CLKIN
SCLKw
t
f
t
t
t
SYN
R
C
CLK
T
REF
DH
SET
JIT
DS
I
I
C
P
P
Function
Input current on CLKIN
External resistor
External capacitors
Nominal output frequency
Settling current
Settling resistor
Frequency jitter
Reference voltage
Reference accuracy
Temperature coefficient
Data write speed
Data setup time
Data hold time
SYN-NP active width
Electrical characteristics
(V
between V
Typical external components
CC
=5V, T
Resistor divider
Current shunt
Current transformer
Rogowsky coil
Parameter
Component
CC
A
= 25°C, 2.2µF between V
and V
SS
unless otherwise specified)
R to R ratio V
R to R ratio V
Current to voltage conversion ratio
f
After calibration
CLK
= 4 MHz
Test conditions
Parameter
RMS
RMS
DDA
=230V
=110V
and V
SS
, 2.2µF between V
2/f
Min.
40
20
Value
1
4
8
0
CLK
1650
830
0.2
30
3
Electrical characteristics
4.194
8.192
Typ.
1.23
DDD
22
±1
12
30
1
Tolerance
±12%
±12%
and V
±1%
±1%
±5%
Max.
100
±1
60
50
4
SS
, 2.2µF
mV/A
ppm/°
Unit
MHz
V/V
Unit
KHz
MΩ
µA
pF
µA
kΩ
ns
ns
ns
%
V
C
s
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