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STPM14ATR Folha de dados(PDF) 9 Page - STMicroelectronics |
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STPM14ATR Folha de dados(HTML) 9 Page - STMicroelectronics |
9 / 45 page STPM11/12/13/14 Electrical characteristics 9/45 4 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 5 400 Hz 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 52 db 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 V ICC Supply current configuration registers cleared or device locked (TSTD=1) 4 MHz, VCC = 5 V 3.5 4 mA 8 MHz, VCC = 5 V 4.7 6 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 2 POR Power on reset on VCC 2.5 V VDDA Analog supply voltage 2.85 3.0 3.15 V VDDD Digital supply voltage 1.425 1.50 1.575 V fCLK Oscillator clock frequency MDIV bit = 0 4.000 4.194 MHz MDIV bit = 1 8.000 8.192 MHz fLINE Nominal line frequency 45 65 Hz VOTP OTP programming voltage 14 20 V IOTP OTP programming current per bit 2.5 mA tOTP OTP programming time per bit 100 300 µs |
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