STPM01 datasheet(11/56 Pages) STMICROELECTRONICS

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STPM01

Electrical characteristics

11/56

Crystal oscillator (see circuit figure 6)

Input current on CLKIN

µA

External resistor

Ω

External capacitors

fCLK

Nominal output frequency

44.194

MHz

88.192

RC Oscillator (see circuit figure 6)

ICLKIN

Settling current

fCLK= 4 MHz

µA

RSET

Settling resistor

Ω

tJIT

Frequency jitter

On chip reference voltage

VREF

Reference voltage

1.23

Reference accuracy

±1

Temperature coefficient

After calibration

ppm/

°C

SPI interface timing

FSCLKr

Data read speed

MHz

FSCLKw Data write speed

100

KHz

tDS

Data setup time

tDH

Data hold time

tON

Data driver on time

tOFF

Data driver off time

tSYN

SYN active width

2/fCLK

Table 6.

Electrical characteristics

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

between VCC and VSS unless otherwise specified)

Symbol

Parameter

Test conditions

Min.

Typ.

Max.

Unit

Table 7.

Typical external components

Function

Component

Parameter

Value

Tolerance

Unit

Line voltage

interface

Resistor divider

R to R ratio VRMS=230V

1650

±1%

V/V

R to R ratio VRMS=110V

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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