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STM32L151XE bảng dữ liệu(PDF) 103 Page - STMicroelectronics

tên linh kiện STM32L151XE
Giải thích chi tiết về linh kiện  Ultra-low-power 32-bit MCU Arm®-based Cortex®-M3 with 512KB Flash, 80KB SRAM, 16KB EEPROM, LCD, USB, ADC, DAC
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nhà sản xuất  STMICROELECTRONICS [STMicroelectronics]
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STM32L151XE bảng dữ liệu(HTML) 103 Page - STMicroelectronics

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DS10002 Rev 10
103/136
STM32L151xE STM32L152xE
Electrical characteristics
114
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
2.4 V
≤ VDDA ≤ 3.6 V
VREF+ = VDDA
0.480
16
MHz
VREF+ < VDDA
VREF+ > 2.4 V
8
VREF+ < VDDA
VREF+ ≤ 2.4 V
4
1.8 V
≤ VDDA ≤ 2.4 V
VREF+ = VDDA
8
VREF+ < VDDA
4
Voltage range 3
4
Table 55. ADC characteristics
Symbol
Parameter
Conditions
Min
Typ
Max
Unit
VDDA
Power supply
-
1.8
-
3.6
V
VREF+
Positive reference voltage
-
1.8(1)
-VDDA
VREF-
Negative reference voltage
-
-
VSSA
-
IVDDA
Current on the VDDA input pin
-
-
1000
1450
µA
IVREF(2) Current on the VREF input pin
Peak
-
400
700
Average
--
450
VAIN
Conversion voltage range(3)
-0(4)
-VREF+
V
fS
12-bit sampling rate
Direct channels
-
-
1
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
-
-
1



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