STM8AL3LE8x datasheet(107/133 Pages) STMICROELECTRONICS

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STM8AL31E8x STM8AL3LE8x

Electrical parameters

119

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 table, data are guaranteed by design, not tested in production.

Table 50. TS characteristics

Symbol

Parameter

Min.

Typ.

Max.

Unit

V125 (1)

1. Tested in production at VDD = 3 V ±10 mV. The 8 LSB of the V125 ADC conversion result are stored in the

TS_Factory_CONV_V125 byte.

Sensor reference voltage at 125°C

±5 °C,

0.640

0.660

0.680

VSENSOR linearity with temperature

±1

±2

°C

Avg_slope

Average slope

1.59(2)

2. Guaranteed by design.

1.62

1.65(2)

mV/°C

IDD(TEMP)

Consumption

3.4

6(2)

µA

TSTART(3)

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

Temperature sensor startup time

10(2)

µs

TS_TEMP

ADC sampling time when reading the

temperature sensor

-5

10(2)

µs

Table 51. Comparator 1 characteristics

Symbol

Parameter

Conditions

Min(1)

Typ

Max(1)

1. Guaranteed by characterization results .

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.

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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