STM32L010R8 datasheet(43/92 Pages) STMICROELECTRONICS

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DS12325 Rev 3

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STM32L010K8 STM32L010R8

Electrical characteristics

6.3.4

Supply current characteristics

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

operating voltage, 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 8: 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 Dhrystone 2.1 code if not specified

otherwise.

The current consumption values are derived from the tests performed under ambient

temperature and VDD supply voltage conditions summarized in Table 15: General operating

conditions unless otherwise specified.

VDDCoeff(4)

Voltage coefficient

3.0 V < VDDA < 3.6 V

2000

ppm/V

TS_vrefint(4)(5)

ADC sampling time when

reading the internal reference

voltage

-5

µs

TADC_BUF(4)

Startup time of reference

voltage buffer for ADC

µs

IBUF_ADC(4)

Consumption of reference

voltage buffer for ADC

13.5

µA

IVREF_OUT(4)

VREF_OUT output current(6)

µA

CVREF_OUT(4)

VREF_OUT output load

ILPBUF(4)

Consumption of reference

voltage buffer for VREF_OUT

730

1200

VREFINT_DIV1(4) 1/4 reference voltage

VREFINT

VREFINT_DIV2(4) 1/2 reference voltage

VREFINT_DIV3(4) 3/4 reference voltage

1. Refer to Table 30: Peripheral current consumption in Stop and Standby mode for the value of the internal reference current

consumption (IREFINT).

2. Guaranteed by test in production.

3. The internal VREF value is individually measured in production and stored in dedicated EEPROM bytes.

4. Guaranteed by design, not tested in production.

5. Shortest sampling time can be determined in the application by multiple iterations.

6. To guarantee less than 1% VREF_OUT deviation.

Table 18. Embedded internal reference voltage(1) (continued)

Symbol

Parameter

Conditions

Min

Typ

Max

Unit

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