STM32L151XE datasheet(113/136 Pages) STMICROELECTRONICS

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DS10002 Rev 10

113/136

STM32L151xE STM32L152xE

Electrical characteristics

114

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 not included.

Table 63. Comparator 2 characteristics

Symbol

Parameter

Conditions

Min Typ Max(1)

1. Guaranteed by characterization results.

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

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.

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

100

ppm

/°C

ICOMP2

Current consumption(3)

3. Comparator consumption only. Internal reference voltage (necessary for comparator operation) is not

included.

Fast mode

3.5

µA

Slow mode

0.5

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