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STM8L151F3P6 データシート(PDF) 89 Page - STMicroelectronics

部品番号 STM8L151F3P6
部品情報  8-bit ultralow power MCU, up to 8 KB Flash, up to 256 B data EEPROM, RTC, timers, USART, I2C, SPI, ADC, comparators
PDF  112 Pages
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メーカー  STMICROELECTRONICS [STMicroelectronics]
ホームページ  http://www.st.com
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STM8L151F3P6 データシート(HTML) 89 Page - STMicroelectronics

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STM8L151x2, STM8L151x3
Electrical parameters
Doc ID 018780 Rev 4
89/112
tS
Sampling time
VAIN on PF0 fast
channel
VDDA < 2.4 V
0.43(4)(5)
µs
VAIN on PF0 fast
channel
2.4 V
≤ VDDA≤ 3.6 V
0.22(4)(5)
µs
VAIN on slow channels
VDDA < 2.4 V
0.86(4)(5)
µs
VAIN on slow channels
2.4 V
≤ VDDA≤ 3.6 V
0.41(4)(5)
µs
tconv
12-bit conversion time
12 + tS
1/fADC1
16 MHz
1(4)
µs
tWKUP
Wakeup time from OFF
state
3µs
tIDLE
(6)
Time before a new
conversion
TA = +25 °C
1(7)
s
TA = +70 °C
20(7)
ms
TA = +125 °C
2(7)
ms
tVREFINT
Internal reference
voltage startup time
refer to
Table 41
ms
1.
The current consumption through VREF is composed of two parameters:
- one constant (max 300 µA)
- one variable (max 400 µA), only during sampling time + 2 first conversion pulses.
So, peak consumption is 300+400 = 700 µA and average consumption is 300 + [(4 sampling + 2) /16] x 400 = 450 µA at
1Msps
2.
VREF- or VDDA must be tied to ground.
3.
Guaranteed by design, not tested in production.
4.
Minimum sampling and conversion time is reached for maximum Rext = 0.5 k
Ω.
5.
Value obtained for continuous conversion on fast channel.
6.
The time between 2 conversions, or between ADC1 ON and the first conversion must be lower than tIDLE.
7.
The tIDLE maximum value is on the “Z” revision code of the device.
Table 45.
ADC1 characteristics (continued)
Symbol
Parameter
Conditions
Min
Typ
Max
Unit



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