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STM32L475VC Datasheet(PDF) 155 Page - STMicroelectronics |
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STM32L475VC Datasheet(HTML) 155 Page - STMicroelectronics |
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155 / 193 page ![]() DocID027692 Rev 2 155/193 STM32L475xx Electrical characteristics 181 PSRR Power supply rejection ratio Normal mode CLOAD ≤ 50 pf, RLOAD ≥ 4 kΩ DC 70 85 - dB Low-power mode CLOAD ≤ 50 pf, RLOAD ≥ 20 kΩ DC 72 90 - GBW Gain Bandwidth Product Normal mode VDDA ≥ 2.4 V (OPA_RANGE = 1) 550 1600 2200 kHz Low-power mode 100 420 600 Normal mode VDDA < 2.4 V (OPA_RANGE = 0) 250 700 950 Low-power mode 40 180 280 SR(3) Slew rate (from 10 and 90% of output voltage) Normal mode VDDA ≥ 2.4 V -700 - V/ms Low-power mode - 180 - Normal mode VDDA < 2.4 V -300 - Low-power mode - 80 - AO Open loop gain Normal mode 55 110 - dB Low-power mode 45 110 - VOHSAT(3) High saturation voltage Normal mode Iload = max or Rload = min Input at VDDA. VDDA - 100 -- mV Low-power mode VDDA - 50 -- VOLSAT(3) Low saturation voltage Normal mode Iload = max or Rload = min Input at 0. - - 100 Low-power mode - - 50 φm Phase margin Normal mode - 74 - ° Low-power mode - 66 - GM Gain margin Normal mode - 13 - dB Low-power mode - 20 - tWAKEUP Wake up time from OFF state. Normal mode CLOAD ≤ 50 pf, RLOAD ≥ 4 kΩ follower configuration -5 10 µs Low-power mode CLOAD ≤ 50 pf, RLOAD ≥ 20 kΩ follower configuration -10 30 Ibias OPAMP input bias current General purpose input -- - -(4) nA PGA gain(3) Non inverting gain value - -2- - -4- -8- -16 - Table 74. OPAMP characteristics(1) (continued) Symbol Parameter Conditions Min Typ Max Unit |
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