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STCOM 数据表(PDF) 45 Page - STMicroelectronics |
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STCOM 数据表(HTML) 45 Page - STMicroelectronics |
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45 / 58 page ![]() DocID028515 Rev 1 45/58 STCOM Electrical characteristics 58 4.3 Operating conditions T(AMB) = -40 to +85 °C, T(J) < 125 °C, PVCC = 18 V unless otherwise specified. All typical values are referred to T(AMB) = 25 °C. Power supply characteristics Table 12. Analog supply characteristics Symbol Parameter(1) Conditions Min. Typ. Max. Unit V(PVCC) Line driver supply voltage 8 15 18 V I(PVCC)_RX Line driver supply current Rx mode No load on AVDD_5V 500 A I(PVCC)_TX Line driver supply current Tx mode, no load No load on AVDD_5V Dual power amplifier configuration 40 mA No load on AVDD_5V Single power amplifier configuration 20 mA V(PVCC)_TH Line driver supply voltage turn-on threshold 7V V(PVCC)_TL Line driver supply voltage turn-off threshold 6.5 V V(PVCC)_HYST Line driver supply voltage hysteresis 0.5 V V(AVDD_5V) 5 V regulator output voltage , no load 4.5 5 5.5 V V(AVDD_5V_AFE)_TH 5 V PLC AFE supply voltage turn-on threshold 4.33 V V(AVDD_5V_AFE)_TL 5 V PLC AFE supply voltage turn-off threshold 4.26 V V(AVDD_5V_AFE)_HYST 5 V PLC AFE supply voltage hysteresis 60 mV I(5V)_RX 5 V PLC AFE supply current Rx mode See(2) PGA maximum gain 54 mA 5 V PLC AFE supply current Rx active mode See(2) PGA maximum gain Rx in progress 61 mA I(5V)_TX 5 V PLC AFE supply current Tx mode, no load See(2) 9mA I(AVDD_3V3_DAC) RX 3.3 V PLC AFE supply current Rx mode 1.6 mA I(AVDD_3V3_DAC) TX 3.3 V PLC AFE supply current Tx mode DAC full scale current = 4 mA Sine wave output f = 100 kHz 6mA |
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