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STM8L052C6 bảng dữ liệu(PDF) 87 Page - STMicroelectronics

tên linh kiện STM8L052C6
Giải thích chi tiết về linh kiện  Value Line, 8-bit ultralow power MCU, 32-KB Flash, 256-byte data EEPROM, RTC, LCD, timers, USART, I2C, SPI, ADC
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nhà sản xuất  STMICROELECTRONICS [STMicroelectronics]
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STM8L052C6 bảng dữ liệu(HTML) 87 Page - STMicroelectronics

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STM8L052C6
Electrical parameters
Doc ID 023331 Rev 1
87/102
8.3.10
Embedded reference voltage
In the following table, data is based on characterization results, not tested in production,
unless otherwise specified.
Table 43.
Reference voltage characteristics
Symbol
Parameter
Conditions
Min
Typ
Max.
Unit
IREFINT
Internal reference voltage
consumption
1.4
µA
TS_VREFINT
(1)(2)
ADC sampling time when reading
the internal reference voltage
510
µs
IBUF
(2)
Internal reference voltage buffer
consumption (used for ADC)
13.5
25
µA
VREFINT out
Reference voltage output
1.202(3)
1.224
1.242(3)
V
ILPBUF
(2)
Internal reference voltage low
power buffer consumption
730
1200
nA
IREFOUT
(2)
Buffer output current(4)
1µA
CREFOUT
Reference voltage output load
50
pF
tVREFINT
Internal reference voltage startup
time
23
ms
tBUFEN
(2)
Internal reference voltage buffer
startup time once enabled (1)
10
µs
ACCVREFINT
Accuracy of VREFINT stored in the
VREFINT_Factory_CONV byte(5)
± 5
mV
STABVREFINT
Stability of VREFINT over
temperature
-40 °C
≤ TA ≤
85 °C
20
50
ppm/°C
Stability of VREFINT over
temperature
0 °C
≤ TA ≤ 50
°C
20
ppm/°C
STABVREFINT
Stability of VREFINT after 1000
hours
TBD
ppm
1.
Defined when ADC output reaches its final value ±1/2LSB
2.
Data guaranteed by Design. Not tested in production.
3.
Tested in production at VDD = 3 V ±10 mV.
4.
To guaranty less than 1%
VREFOUT deviation.
5.
Measured at VDD = 3 V ±10 mV. This value takes into account VDD accuracy and ADC conversion accuracy.



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