STM32F303VC datasheet(121/148 Pages) STMICROELECTRONICS

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STM32F303xB STM32F303xC

Electrical characteristics

124

6.3.21

Operational amplifier characteristics

Table 77. Operational amplifier characteristics(1)

Symbol

Parameter

Condition

Min

Typ

Max

Unit

VDDA

Analog supply voltage

2.4

3.6

CMIR

Common mode input range

VDDA

VIOFFSET

Input offset

voltage

Maximum

calibration

range

25°C, No Load

on output.

All

voltage/Temp.

After offset

calibration

25°C, No Load

on output.

1.6

All

voltage/Temp.

ΔVIOFFSET

Input offset voltage drift

µV/°C

ILOAD

Drive current

500

µA

IDDOPAMP

Consumption

No load,

quiescent mode

690

1450

µA

TS_OPAMP_VOUT

ADC sampling time when reading

the OPAMP output.

-400

CMRR

Common mode rejection ratio

PSRR

Power supply rejection ratio

117

GBW

Bandwidth

8.2

MHz

Slew rate

4.7

V/µs

RLOAD

Resistive load

CLOAD

Capacitive load

VOHSAT

High saturation voltage(2)

Rload = min,

Input at VDDA.

VDDA -100

Rload = 20K,

Input at VDDA.

VDDA -20

VOLSAT

High saturation voltage(2)

Rload = min,

input at 0V

100

Rload = 20K,

input at 0V.

ϕm

Phase margin

tOFFTRIM

Offset trim time: during calibration,

minimum time needed between

two steps to have 1 mV accuracy

tWAKEUP

Wake up time from OFF state.

CLOAD ≤50 pf,

RLOAD ≥ 4 kΩ,

Follower

configuration

-2.8

µs

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