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STM32U073RCT3TR Datasheet(PDF) 100 Page - STMicroelectronics |
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STM32U073RCT3TR Datasheet(HTML) 100 Page - STMicroelectronics |
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100 / 146 page  6.3.24 Operational amplifiers characteristics Table 80. OPAMP characteristics Evaluated by characterization, unless otherwise specified. Symbol Parameter Conditions Min Typ Max Unit VDDA Analog supply voltage(1) - 1.8 - 3.6 V CMIR Common mode input range - 0 - VDDA V VIOFFSET Input offset voltage 25 °C, No Load on output. - - ±1.5 mV All voltage/temperature - - ±3 ∆VIOFFSET Input offset voltage drift Normal mode - ±5 - μV/°C Low-power mode - ±10 - TRIMOFFSETP TRIMLPOFFSETP Offset trim step at low common input voltage (0.1 ₓ VDDA) - - 0.8 1.1 mV TRIMOFFSETN TRIMLPOFFSETN Offset trim step at high common input voltage (0.9 ₓ VDDA) - - 1 1.35 ILOAD Drive current Normal mode VDDA ≥ 2 V - - 500 µA Low-power mode - - 100 ILOAD_PGA Drive current in PGA mode Normal mode VDDA ≥ 2 V - - 450 Low-power mode - - 50 RLOAD Resistive load (connected to VSSA or to VDDA) Normal mode VDDA < 2 V 4 - - kΩ Low-power mode 20 - - RLOAD_PGA Resistive load in PGA mode (connected to VSSA or to VDDA) Normal mode VDDA < 2 V 4.5 - - Low-power mode 40 - - CLOAD Capacitive load - - - 50 pF CMRR Common mode rejection ratio Normal mode - -85 - dB Low-power mode - -90 - 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(2) 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 STM32U073x8/B/C Electrical characteristics DS14548 - Rev 2 page 100/146 |
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