STM32L071KB datasheet(103/148 Pages) STMICROELECTRONICS

103 / 148 page

DS10690 Rev 7

103/148

STM32L071xx

Electrical characteristics

112

6.3.17

Comparators

Table 67. Comparator 1 characteristics

Symbol

Parameter

Conditions

Min(1)

Typ

Max(1)

Unit

VDDA

Analog supply voltage

1.65

3.6

VIN

Comparator 1 input voltage

range

-0.6

VDDA

tSTART

Comparator startup time

µs

Propagation delay(2)

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)

160

260

1. Guaranteed by characterization.

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. Comparator consumption only. Internal reference voltage not included.

Table 68. Comparator 2 characteristics

Symbol

Parameter

Conditions

Min

Typ

Max(1) Unit

VDDA

Analog supply voltage

1.65

3.6

VIN

Comparator 2 input voltage range

VDDA

tSTART

Comparator startup time

Fast mode

µs

Slow mode

td slow

Propagation delay(2) in slow mode

1.65 V

≤VDDA ≤2.7 V

1.8

3.5

2.7 V

≤VDDA ≤3.6 V

2.5

td fast

Propagation delay(2) in fast mode

1.65 V

≤VDDA ≤2.7 V

0.8

2.7 V

≤VDDA ≤3.6 V

1.2

Voffset

Comparator offset error

±4

±20

dThreshold/

Threshold voltage temperature

coefficient

VDDA = 3.3V, TA = 0 to 50 ° C,

V- = VREFINT,

3/4 VREFINT,

1/2 VREFINT,

1/4 VREFINT.

-15

ppm

/°C

ICOMP2

Current consumption(3)

Fast mode

3.5

µA

Slow mode

0.5

1. Guaranteed by characterization results.

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. Comparator consumption only. Internal reference voltage (required for comparator operation) is not included.

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