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ST8500 数据表(PDF) 30 Page - STMicroelectronics |
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ST8500 数据表(HTML) 30 Page - STMicroelectronics |
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30 / 37 page ![]() Electrical characteristics ST8500 30/37 DocID031029 Rev 3 5.4 PLC analog front-end (AFE) characteristics 5.4.1 Transmission path characteristics Table 18. DAC and pre-driver characteristics Symbol Parameter Conditions Min. Typ. Max. Unit I(DAC_OUT) FS DAC output full-scale current Tx mode, current measured on both outputs -10 - mA V(DAC_OUT) Tx mode, differential Rload = 50 ± 1%, FS = 10 mA - 1 - Vpp V(TX_OUT) BIAS Transmitter output bias voltage Rx mode - AVDD_3V 3_AFE/2 -V - Pre-driver load impedance(1) -1 - - k V(TX_OUT) HD2 Transmitter output 2nd harmonic distortion - see(2) V(TX_OUT) = 4.6 V pk-pk, no load, Fout = 100 KHz, single-ended T(AMB) = 25 °C --66 - dBc V(TX_OUT) HD3 Transmitter output 3rd harmonic distortion see(2) --75 - dBc V(TX_OUT) THD Transmitter output total harmonic distortion see(2) --65 - dB V(TX_OUT) HD2 Transmitter output 2nd harmonic distortion V(TX_OUT) = 4.6 V pk-pk, no load, Fout = 100 KHz, differential T(AMB) = 25 °C --69 - dBc V(TX_OUT) HD3 Transmitter output 3rd harmonic distortion --75 - dBc V(TX_OUT) THD Transmitter output total harmonic distortion --67 -60 dB V(TX_OUT) HD2 Transmitter output 2nd harmonic distortion - see(2) V(TX_OUT) = 4.6 V pk-pk, no load, Fout = 500 KHz, single- ended T(AMB) = 25 °C --61 - dBc V(TX_OUT) HD3 Transmitter output 3rd harmonic distortion see(2) --73 - dBc V(TX_OUT) THD Transmitter output total harmonic distortion see(2) --60 - dB V(TX_OUT) HD2 Transmitter output 2nd harmonic distortion V(TX_OUT) = 4.6 V pk-pk, no load, Fout = 500 KHz, differential T(AMB) = 25 °C --72 - dBc V(TX_OUT) HD3 Transmitter output 3rd harmonic distortion --75 - dBc V(TX_OUT) THD Transmitter output total harmonic distortion --69 -60 dB 1. Guaranteed by design, not tested in production. 2. Based on characterization, not tested in production. |
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