STM32F328C8 datasheet(96/109 Pages) STMICROELECTRONICS

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Electrical characteristics

STM32F328C8

96/109

DocID026351 Rev 3

6.3.20

Comparator characteristics

Figure 27. Maximum VREFINT scaler startup time from power down

Table 62. Comparator characteristics(1)

Symbol

Parameter

Conditions

Min.

Typ.

Max.

Unit

VDDA

Analog supply voltage

VREFINT scaler not in use

1.8

3.6

VREFINT scaler in use

3.6

VIN

Comparator input voltage

range

-0

VDDA

VBG

Scaler input voltage

VREFINIT

VSC

Scaler offset voltage

±5

±10

tS_SC

VREFINT scaler startup time

from power down

First VREFINT scaler activation

after device power on

1(2)

Next activations

0.2

tSTART

Comparator startup time

VDDA ≥ 2.7 V

µs

VDDA < 2.7 V

Propagation delay for

200 mV step with 100 mV

overdrive

VDDA ≥ 2.7 V

VDDA < 2.7 V

Propagation delay for full

range step with 100 mV

overdrive

VDDA ≥ 2.7 V

VDDA < 2.7 V

VOFFSET

Comparator offset error

VDDA ≥ 2.7 V

±5

±10

VDDA < 2.7 V

±25

TVOFFSET Total offset variation

Full temperature range

IDD(COMP)

COMP current

consumption

400

600

µA

1. Guaranteed by design, not tested in production.

2. For more details and conditions see Figure 27: Maximum VREFINT scaler startup time from power down.

STM32F328C8 Datasheet(PDF) 96 Page - STMicroelectronics

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