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数据搜索系统，热门电子元器件搜索 |
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数据搜索系统，热门电子元器件搜索 |
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STPM32 数据表(PDF) 19 Page - STMicroelectronics |
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STPM32 数据表(HTML) 19 Page - STMicroelectronics |
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19 / 121 page  DS10272 Rev 8 19/121 STPM32, STPM33, STPM34 Electrical characteristics 121 External Clock Input (CLKIN/XTAL2)(3) VIH Input high-voltage Vcc=3.3V 0.8 - 3.3 V VIL Input low-voltage Vcc=3.3V -0.3 - 0.1 V Energy measurement accuracy AP Active power Over dynamic range 5000:1 PGA = 2 to 16 - 0.1 - % Over dynamic range 10000:1 PGA = 2 to 16 - 0.5 - RP Reactive power Over dynamic range 2000:1 PGA = 2 to 16 - 0.1 - RMS Voltage RMS Over dynamic range 1:200 - 0.5 - % Current RMS Over dynamic range 1:500 - 0.5 - - fBW Effective bandwidth -3 dB, HPF = 1 4 - 3600 Hz Sigma-delta ADC performance OSF Oversampling frequency - - 4 - MHz DR Decimation ratio - - 1/512 - - Fs Sampling frequency - - 7.8125 - kHz FBW Flat band < 0.05 dB allowed ripple 2 - - kHz BW Effective bandwidth -3 dB, HPF = 0 0 - 3600 Hz DC measurement accuracy PSRRAC Power supply AC rejection(2) Voltage input shorted Current input shorted VCC = 3.3 V ± 150 mVp at 1 kHz -65 - dB SPI timings(3) t_en Time between selection and clock -50 - - ns t_clk Clock period - 50 - - ns t_cpw Clock pulse width - 25 - - ns t_setup Set-up time before slave sampling -10 - - ns t_hold Hold time after slave sampling -40 - - ns Table 5. Electrical characteristics (continued) Symbol Parameter Test conditions Min. Typ. Max. Unit |
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