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STM8L15 Datasheet(PDF) 103 Page - STMicroelectronics

No. de pieza STM8L15
Descripción Electrónicos  8-bit ultralow power MCU, up to 32 KB Flash, 1 KB Data EEPROM RTC, LCD, timers, USART, I2C, SPI, ADC, DAC, comparators
PDF  122 Pages
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Fabricante Electrónico  STMICROELECTRONICS [STMicroelectronics]
Página de inicio  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

STM8L15 Datasheet(HTML) 103 Page - STMicroelectronics

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STM8L151xx, STM8L152xx
Electrical parameters
Doc ID 15962 Rev 5
103/122
fCONV
12-bit conversion rate
VAIN on PF0 fast
channel
1(4)(5)
MHz
VAIN on all other
channels
760(4)(5)
kHz
fTRIG
External trigger
frequency
tconv
1/fADC
tLAT
External trigger latency
3.5
1/fSYSCLK
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/fADC
16 MHz
1(4)
µs
tWKUP
Wakeup time from OFF
state
3µs
tIDLE
(6)
Time before a new
conversion
TA = +25 °C
1
s
TA = +70 °C
20
ms
TA = +125 °C
2
ms
tVREFINT
Internal reference
voltage startup time
refer to
Table 44
ms
1.
Data guaranteed by design, not tested in production.
2.
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
3.
VREF- or VDDA must be tied to ground.
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 ADC ON and the first conversion must be lower than tIDLE.
Table 51.
ADC1 characteristics (continued)
Symbol
Parameter (1)
Conditions
Min (1)
Typ(1)
Max(1)
Unit



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