STM32WB55CEV7 View Datasheet(PDF) - STMicroelectronics

Part Name

Description

Manufacturer

STM32WB55CEV7

Multiprotocol wireless 32-bit MCU Arm®-based Cortex®-M4 with FPU, Bluetooth® 5 and 802.15.4 radio solution

STMicroelectronics 

Electrical characteristics

STM32WB55xx STM32WB35xx

6.3.22 Comparator characteristics

Table 84. COMP characteristics(1)

Symbol

Parameter

Conditions

Min Typ Max Unit

VDDA

VIN

VBG(2)

VSC

Analog supply voltage

Comparator

input voltage range

Scaler input voltage

Scaler offset voltage

IDDA(SCALER)

Scaler static consumption

from VDDA

-

-

-

-

BRG_EN=0 (bridge disable)

BRG_EN=1 (bridge enable)

tSTART_SCALER Scaler startup time

tSTART

Comparator startup time

to reach propagation

delay specification

-

High-speed

mode

VDDA ≥ 2.7 V

VDDA < 2.7 V

Medium mode VDDA ≥ 2.7 V

VDDA < 2.7 V

Ultra-low-power mode

High-speed VDDA ≥ 2.7 V

tD(3)

Propagation delay with

100 mV overdrive

mode

VDDA < 2.7 V

Medium mode

Ultra-low-power mode

1.62 - 3.6

0

- VDDA V

VREFINT

-

±5 ±10 mV

- 200 300 nA

- 0.8 1 µA

- 100 200 µs

-

-

5

-

-

7

-

-

15 µs

-

-

25

-

-

40

-

55 80

ns

-

55 100

- 0.55 0.9

µs

-

4

7

Voffset

Comparator offset error

Full common mode range

No hysteresis

-

±5 ±20 mV

-

0

-

Low hysteresis

Vhys

Comparator hysteresis

Medium hysteresis

-

8

-

mV

-

15

-

High hysteresis

-

27

-

Static

- 400 600

Ultra-low-

power mode With 50 kHz ±100 mV

overdrive square signal

-

1200

-

nA

IDDA(COMP)

Comparator consumption

from VDDA

Medium

mode

Static

-

With 50 kHz ±100 mV

overdrive square signal

-

Static

-

High-speed

mode

With 50 kHz ±100 mV

overdrive square signal

-

5

7

6

-

µA

70 100

75

-

1. Guaranteed by design, unless otherwise specified.

2. Refer to Table 36: Embedded internal voltage reference.

3. Guaranteed by characterization results.

154/193

DS11929 Rev 10

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