STM32F071C8T7 datasheet(53/121 Pages) STMICROELECTRONICS

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STM32F071CB STM32F071RB STM32F071VB STM32F071V8

Electrical characteristics

6.3.4

Embedded reference voltage

The parameters given in Table 27 are derived from tests performed under the ambient

temperature and supply voltage conditions summarized in Table 23: General operating

conditions.

6.3.5

Supply current characteristics

The current consumption is a function of several parameters and factors such as the

operating voltage, ambient temperature, I/O pin loading, device software configuration,

operating frequencies, I/O pin switching rate, program location in memory and executed

binary code.

The current consumption is measured as described in Figure 13: Current consumption

measurement scheme.

All Run-mode current consumption measurements given in this section are performed with a

reduced code that gives a consumption equivalent to CoreMark code.

VPVD6

PVD threshold 6

Rising edge

2.66

2.78

2.9

Falling edge

2.56

2.68

2.8

VPVD7

PVD threshold 7

Rising edge

2.76

2.88

Falling edge

2.66

2.78

2.9

VPVDhyst(1)

PVD hysteresis

100

IDD(PVD)

PVD current consumption

0.15

0.26(1)

µA

1. Guaranteed by design, not tested in production.

Table 26. Programmable voltage detector characteristics (continued)

Symbol

Parameter

Conditions

Min

Typ

Max

Unit

Table 27. Embedded internal reference voltage

Symbol

Parameter

Conditions

Min

Typ

Max

Unit

VREFINT

Internal reference voltage –40 °C < TA < +105 °C

1.16

1.2

1.25

tSTART

ADC_IN17 buffer startup

time

10(1)

µs

tS_vrefint

ADC sampling time when

reading the internal

reference voltage

4(1)

1. Guaranteed by design, not tested in production.

µs

ΔVREFINT

Internal reference voltage

spread over the

temperature range

VDDA = 3 V

10(1)

TCoeff

Temperature coefficient

- 100(1)

100(1) ppm/°C

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