STM8AL3148 datasheet(96/124 Pages) STMICROELECTRONICS

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Electrical parameters

STM8AL313x/4x/6x STM8AL3L4x/6x

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DocID18474 Rev 7

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, unless

otherwise specified.

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. Data guaranteed by design, not tested in production.

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)

Table 51. Comparator 1 characteristics

Symbol

Parameter

Min

Typ

Max

Unit

VDDA

Analog supply voltage

1.65

3.6(1)

1. Data based on characterization, not tested in production.

Temperature range

-40

125(1)

°C

R400K

R400K value

300

400

500(1)

R10K

R10K value

7.5

12.5(1)

VIN

Comparator input voltage range

0.6

VDDA(1)

VREFINT

Internal reference voltage

1.202

1.224

1.242

tSTART

Startup time after enable

10(1)

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.

-3

10(1)

Voffset

Comparator offset error

±3

±10(1)

ICMP1

Consumption(3)

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

160

260(1)

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