STM8L15 datasheet(99/122 Pages) STMICROELECTRONICS

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STM8L151xx, STM8L152xx

Electrical parameters

Doc ID 15962 Rev 5

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9.3.10

Temperature sensor

Based on characterization results, unless otherwise specified.

9.3.11

Comparator characteristics

Data guaranteed by design, not tested in production.

Table 45.

TS characteristics

Symbol

Parameter

Min

Typ

Max.

Unit

V90

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

(1)

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

TS_Factory_CONV_V90 byte.

0.580

0.597

0.614

VSENSOR linearity with temperature

±1

±2

°C

Avg_slope

Average slope(2)

1.59

1.62

1.65

mV/°C

IDD(TEMP)

Consumption

3.4

µA

TSTART

(2)

Guaranteed by Design, not tested in production.

Temperature sensor startup time (3)

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

µs

TS_TEMP

(2)

ADC sampling time when reading the

temperature sensor

510

µs

Table 46.

Comparator 1 characteristics

Symbol

Parameter

Min

Typ

Max

Unit

VDDA

Analog supply voltage

1.65

3.6

Temperature range

-40

125

°C

R400

R400 value

300

400

500

R10

R10 value

7.5

12.5

VIN

Comparator input voltage range

0.6

VDDA

VREFINT

Internal reference voltage (1)

Based on characterization results.

1.202

1.225

1.242

tSTART

Startup time after enable

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.

310

µs

Voffset

Comparator offset error

±10

ICMP1

Consumption(3)

Comparator consumption only. Internal reference voltage not included.

160

260

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