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ST-PLC-AFE 数据表(PDF) 4 Page - STMicroelectronics |
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ST-PLC-AFE 数据表(HTML) 4 Page - STMicroelectronics |
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4 / 58 page ![]() Package pin description and connections ST-PLC-AFE 4/58 DocID028727 Rev 1 1 Package pin description and connections Table 1. QFN48 pin description Pin no. Name Type Description 1 ZC1_OUT OUT ANALOG Zero cross detector 1 output node 2 ZC1_IN IN ANALOG Zero cross detector 1 input node 3DVDD POWER DIGITAL Digital positive supply 4 DGND Digital ground 5 NC1 NC Not connected to the Silicon 6nCS IN DIGITAL SPI digital select 7 EN System enable 8 SCLK SPI serial clock 9 DIN SPI digital input 10 DOUT OUT SPI digital output 11 DAC_CLK IN DIGITAL DAC input frequency 12 NC2 NC Not connected to the Silicon 13 INT OUT DIGITAL Interrupt on overcurrent or thermal limit 14 TX_INP IN ANALOG DAC output (positive side) 15 TX_INN DAC output (negative side) 16 AGND POWER ANALOG Analog ground 17 AVDD Analog positive supply 18 TX_OUTN OUT ANALOG Tx LPF output (negative side) 19 TX_OUTP Tx LPF output (positive side) 20 NC3 NC Not connected to the Silicon 21 NC4 22 MID_AVDD OUT ANALOG Rx common mode voltage, AVDD/2 to be connected to 150 nF capacitor 23 THERMAL Thermal sensor output voltage, to be connected to an ADC 24 MID_PA_VDD PA common mode voltage, PA supply voltage divided by 2, to be connected to 10 nF capacitor 25 PA_INP IN ANALOG PA non inverting input 26 PA_INN PA inverting input 27 PA_VDD POWER PA Power amplifier positive supply 28 PA_VDD 29 PA_OUTN OUT PA PA output inverting side 30 PA_OUTN |
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