參數(shù)資料
型號: STM8L162R8T6
廠商: STMICROELECTRONICS
元件分類: 微控制器/微處理器
英文描述: 8-BIT, FLASH, 16 MHz, RISC MICROCONTROLLER, PQFP64
封裝: 10 X 10 MM, LQFP-64
文件頁數(shù): 116/116頁
文件大?。?/td> 1229K
代理商: STM8L162R8T6
STM8L162R8, STM8L162M8
Electrical parameters
Doc ID 17959 Rev 1
9.3.9
Embedded reference voltage
Based on characterization results, not tested in production, unless otherwise specified.
Table 44.
Reference voltage characteristics
Symbol
Parameter
Conditions
Min
Typ
Max.
Unit
IREFINT
Internal reference voltage
consumption
1.4
A
TS_VREFINT
(1)
ADC sampling time when reading
the internal reference voltage(2)
510
s
Internal reference voltage buffer
consumption (used for ADC)
13.5
25
A
VREFINT out
Reference voltage output
1.202 1.224 1.242
V
VREFINT_DIV1
1/4 reference voltage
25
%VREFINT_COMP
VREFNT_DIV2
1/2 reference voltage
50
VREFNT_DIV3
3/4 reference voltage
75
ILPBUF
Internal reference voltage low power
buffer consumption (used for
comparators or output)
730
1200
nA
IREFOUT
Buffer output current(3)
1A
CREFOUT
Reference voltage output load
50
pF
tVREFINT
Internal reference voltage startup
time
23
ms
tBUFEN
Internal reference voltage buffer
startup time once enabled (2)
10
s
ACCVREFINT
Accuracy of VREFINT stored in the
VREFINT_Factory_CONV byte(4)
± 5
mV
STABVREFINT
Stability of VREFINT over temperature -40 °C ≤TA ≤ 125 °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.
Guaranteed by design, not tested in production
2.
Defined when ADC output reaches its final value ±1/2LSB
3.
To guaranty less than 1%
VREFOUT deviation
4.
Measured at VDD = 3 V ±10 mV. This value takes into account VDD accuracy and ADC conversion accuracy.
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