STM32L151VB-A datasheet(95/130 Pages) STMICROELECTRONICS

部件名	STM32L151VB-A

功能描述	Ultra-low-power 32-bit MCU ARM®-based Cortex®-M3,128KB Flash, 32KB SRAM, 4KB EEPROM, LCD, USB, ADC, DAC

PDF	130 Pages

Scroll/Zoom	100%

制造商	STMICROELECTRONICS [STMicroelectronics]

网页	http://www.st.com

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95 / 130 page

DocID024330 Rev 5

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STM32L151x6/8/B-A STM32L152x6/8/B-A

Electrical characteristics

105

6.3.17

12-bit ADC characteristics

Unless otherwise specified, the parameters given in Table 55 are guaranteed by design.

Table 54. ADC clock frequency

Symbol Parameter

Conditions

Min

Max

Unit

fADC

ADC clock

frequency

Voltage

Range 1 &

2.4 V

≤VDDA ≤3.6 V

VREF+ = VDDA

0.480

MHz

VREF+ < VDDA

VREF+ > 2.4 V

VREF+ < VDDA

VREF+ ≤2.4 V

1.8 V

≤VDDA ≤2.4 V

VREF+ = VDDA

VREF+ < VDDA

Voltage Range 3

Table 55. ADC characteristics

Symbol

Parameter

Conditions

Min

Typ

Max

Unit

VDDA

Power supply

1.8

3.6

VREF+

Positive reference voltage

2.4 V

≤VDDA ≤3.6 V

VREF+ must be below

or equal to VDDA

1.8(1)

-VDDA

VREF-

Negative reference voltage

VSSA

-V

IVDDA

Current on the VDDA input

1000

1450

µA

IVREF(2)

Current on the VREF input

Peak

400

700

µA

Average

450

µA

VAIN

Conversion voltage range(3)

-0(4)

-VREF+

12-bit sampling rate

Direct channels

Msps

Multiplexed channels

0.76

10-bit sampling rate

Direct channels

1.07

Msps

Multiplexed channels

0.8

8-bit sampling rate

Direct channels

1.23

Msps

Multiplexed channels

0.89

6-bit sampling rate

Direct channels

1.45

Msps

Multiplexed channels

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