STPM11 datasheet(11/45 Pages) STMICROELECTRONICS

11 / 45 page

STPM11/12/13/14

Electrical characteristics

11/45

Input current on CLKIN

±1

µA

External resistor

External capacitors

fCLK

Nominal output frequency

4.194

MHz

8.192

RC Oscillator (STPM11/13)

ICLKIN

Settling current

fCLK= 4 MHz

µA

RSET

Settling resistor

tJIT

Frequency jitter

On chip reference voltage

VREF

Reference voltage

1.23

Reference accuracy

±1

Temperature coefficient

After calibration

ppm/°C

Configuration interface timing

FSCLKw Data write speed

100

KHz

tDS

Data setup time

tDH

Data hold time

tSYN

SYN-NP active width

2/fCLK

Table 4.

Electrical characteristics

(VCC = 5 V, TA= 25°C, 2.2 µF between VDDA and VSS, 2.2 µF between VDDD and VSS, 2.2 µF

between VCC and VSS unless otherwise specified)

Symbol

Parameter

Test conditions

Min.

Typ.

Max.

Unit

Table 5.

Typical external components

Function

Component

Parameter

Value

Tolerance

Unit

Line voltage

interface

Resistor divider

R to R ratio VRMS = 230 V

1650

±1%

V/V

R to R ratio VRMS = 110 V

830

±1%

Line current

interface

Current shunt

Current to voltage conversion ratio

0.2

±5%

mV/A

Current transformer

±12%

Rogowsky coil

±12%

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