STM32L151VD datasheet(121/140 Pages) STMICROELECTRONICS

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STM32L151xD STM32L152xD

Electrical characteristics

Doc ID 022027 Rev 6

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6.3.22

Temperature sensor characteristics

6.3.23

Comparator

Table 69.

Temperature sensor characteristics

Symbol

Parameter

Min

Typ

Max

Unit

(1)

Guaranteed by characterization, not tested in production.

VSENSE linearity with temperature

±1

±2°C

Avg_Slope(1)

Average slope

1.48

1.61

1.75

mV/°C

V110

Voltage at 110°C ±5°C(2)

Measured at VDD = 3 V ±10 mV. V110 ADC conversion result is stored in the TSENSE_CAL2 byte.

612

626.8

641.5

IDDA(TEMP)

(3)

Current consumption

3.4

µA

tSTART

(3)

Guaranteed by design, not tested in production.

Startup time

µs

TS_temp

(4)(3)

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

ADC sampling time when reading the

temperature

Table 70.

Comparator 1 characteristics

Symbol

Parameter

Conditions

Min(1)

Typ

Max(1)

Based on characterization, not tested in production.

Unit

VDDA

Analog supply voltage

1.65

3.6

R400K

R400K value

400

R10K

R10K value

VIN

Comparator 1 input

voltage range

0.6

VDDA

tSTART

Comparator startup time

µs

Propagation delay(2)

The delay is characterized for 100 mV input step with 10 mV overdrive on the inverting input, the non-

inverting input set to the reference.

-3

Voffset

Comparator offset

±3

±10

dVoffset/dt

Comparator offset

variation in worst voltage

stress conditions

VDDA = 3.6 V

VIN+ = 0 V

VIN- = VREFINT

TA = 25 °C

1.5

mV/1000 h

ICOMP1

Current consumption(3)

Comparator consumption only. Internal reference voltage not included.

160

260

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