STM8L151M8 datasheet(109/134 Pages) STMICROELECTRONICS

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STM8L15xx8, STM8L15xR6

Electrical parameters

121

9.3.11

Temperature sensor

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

unless otherwise specified.

9.3.12

Comparator characteristics

In the following tables, data are guaranteed by design, not tested in production.

Table 47. TS characteristics

Symbol

Parameter

Min.

Typ.

Max.

Unit

V90 (1)

1. Tested in production at VDD = 3 V ±10 mV. The 8 LSB of the V90 ADC 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)

2. Guaranteed by design, not tested in production.

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

Temperature sensor startup time

µs

TS_TEMP(2)

ADC sampling time when reading the

temperature sensor

510

µs

Table 48. Comparator 1 characteristics

Symbol

Parameter

Conditions

Min(1)

Typ

Max(1)

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)

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.

310

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)

3. Comparator consumption only. Internal reference voltage not included.

160

260

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