STPM13ATR datasheet(9/45 Pages) STMICROELECTRONICS

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STPM11/12/13/14

Electrical characteristics

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Electrical characteristics

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

Energy measurement accuracy

fBW

Effective bandwidth

Limited by digital filtering

400

Error

Measurement error

Over the dynamic range (5% to

1000% of the calibration power

value)

0.1

SNR

Signal to noise ratio

Over the entire bandwidth

PSRRDC Power supply DC rejection

Voltage signal: 200mVrms/50Hz

Current signal: 10mVrms/50 Hz

fCLK= 4.194 MHz

VCC=3.3V±10%, 5 V±10%

0.2

PSRRAC Power supply AC rejection

Voltage signal:

200 mVrms/50 Hz

Current signal:

10 mVrms/50 Hz

fCLK = 4.194 MHz,

VCC=3.3 V+0.2 Vrms1@100 Hz

VCC=5.0 V+0.2 Vrms1@100 Hz

0.1

General section

VCC

Operating supply voltage

3.0

5.5

ICC

Supply current configuration

registers cleared or device

locked (TSTD=1)

4 MHz, VCC = 5 V

3.5

8 MHz, VCC = 5 V

4.7

ΔICC

Increase of supply current per

configuration bit, during

programming

4 MHz, VCC = 5 V

120

µA/bit

Increase of supply current per

configuration bit with device

locked

4 MHz, VCC = 5 V

POR

Power on reset on VCC

2.5

VDDA

Analog supply voltage

2.85

3.0

3.15

VDDD

Digital supply voltage

1.425

1.50

1.575

fCLK

Oscillator clock frequency

MDIV bit = 0

4.000

4.194

MHz

MDIV bit = 1

8.000

8.192

MHz

fLINE

Nominal line frequency

VOTP

OTP programming voltage

IOTP

OTP programming current per

bit

2.5

tOTP

OTP programming time per bit

100

300

µs

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