STM8L151C2 datasheet(93/123 Pages) STMICROELECTRONICS

93 / 123 page

DS7204 Rev 11

93/123

STM8L151x2, STM8L151x3

Electrical parameters

102

9.3.10

Temperature sensor

In the following table, data is based on characterization results, not tested in production,

unless otherwise specified.

9.3.11

Comparator characteristics

In the following table, data is guaranteed by design, not tested in production, unless

otherwise specified.

Table 45. TS characteristics

Symbol

Parameter

Min

Typ

Max.

Unit

V90

(1)

Tested in production at VDD = 3 V ±10 mV. The 8 LSB of the V90 ADC1 conversion result are stored in the

TS_Factory_CONV_V90 byte.

Sensor reference voltage at 90°C ±5 °C,

0.580

0.597

0.614

VSENSOR linearity with temperature

±1

±2

°C

Avg_slope (2) Average slope

1.59

1.62

1.65

mV/°C

IDD(TEMP)

(2)

Consumption

3.4

µA

TSTART

(2)(3)

Guaranteed by design.

Defined for ADC1 output reaching its final value ±1/2LSB.

Temperature sensor startup time

µs

TS_TEMP

(2)

ADC1 sampling time when reading the

temperature sensor

µs

Table 46. Comparator 1 characteristics

Symbol

Parameter

Min

Typ

Max(1)

Guaranteed by characterization results.

Unit

VDDA

Analog supply voltage

1.65

3.6

Temperature range

-40

125

°C

R400K

R400K value

300

400

500

R10K

R10K value

7.5

12.5

VIN

Comparator 1 input voltage range

0.6

VDDA

VREFINT

Internal reference voltage(2)

Tested in production at VDD = 3 V ±10 mV.

1.202

1.224

1.242

tSTART

Comparator startup time

µs

Propagation delay(3)

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 error

±3

±10

ICOMP1

Current consumption(4)

Comparator consumption only. Internal reference voltage not included.

160

260

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