STM32F051R4U7(2012) 查看數據表（PDF） - STMicroelectronics

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STM32F051R4U7
(Rev.:2012)

Low- and medium-density advanced ARM™-based 32-bit MCU with 16 to 64 Kbytes Flash, timers, ADC, DAC and comm. interfaces

STMicroelectronics 

Electrical characteristics

6.3.17 Comparator characteristics

Table 58. Comparator characteristics

Symbol

Parameter

Conditions

VDDA

VIN

Analog supply voltage

Comparator input

voltage range

VBG

VSC

tS_SC

Scaler input voltage

Scaler offset voltage

Scaler startup time

from power down

tSTART

Comparator startup

time

Startup time to reach propagation delay

specification

Ultra-low power mode

Propagation delay for Low power mode

200 mV step with 100 Medium power mode

mV overdrive

tD

VDDA ≥ 2.7 V

High speed power mode

VDDA < 2.7 V

Ultra-low power mode

Voffset

dVoffset/dT

Propagation delay for

full range step with 100

mV overdrive

Low power mode

Medium power mode

High speed power mode

VDDA ≥ 2.7 V

VDDA < 2.7 V

Comparator offset error

Offset error

temperature coefficient

Ultra-low power mode

IDD(COMP)

COMP current

consumption

Low power mode

Medium power mode

High speed power mode

STM32F051x

Min Typ Max(1) Unit

2 - 3.6

0

- VDDA

V

- 1.2

- ±5 ±10 mV

- - 0.1 ms

- - 60

µs

- 2 4.5

- 0.7 1.5

µs

- 0.3 0.6

- 50 100

ns

- 100 240

-2

7

- 0.7 2.1

µs

- 0.3 1.2

- 90 180

ns

- 110 300

- ±4 ±10 mV

- 18 - µV/°C

- 1.2 1.5

-3

5

µA

- 10 15

- 75 100

82/105

Doc ID 022265 Rev 3

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