STM32L151X8 datasheet(93/133 Pages) STMICROELECTRONICS

부품명	STM32L151x8

상세설명	Ultra-low-power 32-bit MCU ARM®-based Cortex®-M3, 128KB Flash, 16KB SRAM, 4KB EEPROM, LCD, USB, ADC, DAC

PDF	133 Pages

Scroll/Zoom	100%

제조업체	STMICROELECTRONICS [STMicroelectronics]

홈페이지	http://www.st.com

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93 / 133 page

DocID17659 Rev 12

93/133

STM32L151x6/8/B STM32L152x6/8/B

Electrical characteristics

104

6.3.17

12-bit ADC characteristics

Unless otherwise specified, the parameters given in Table 54 are guaranteed by design.

Table 53. 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 54. 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

0.03

Msps

Multiplexed channels

0.03

0.76

10-bit sampling rate

Direct channels

0.03

1.07

Msps

Multiplexed channels

0.03

0.8

8-bit sampling rate

Direct channels

0.03

1.23

Msps

Multiplexed channels

0.03

0.89

6-bit sampling rate

Direct channels

0.03

1.45

Msps

Multiplexed channels

0.03

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