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STM8L151C4 Datenblatt(PDF) 82 Page - STMicroelectronics

Teilenummer STM8L151C4
Bauteilbeschribung  8-bit ultralow power MCU, up to 32 KB Flash, 1 KB Data EEPROM RTC, LCD, timers, USART, I2C, SPI, ADC, DAC, comparators
PDF  101 Pages
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Hersteller  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
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STM8L151C4 Datenblatt(HTML) 82 Page - STMicroelectronics

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Electrical parameters
STM8L151xx, STM8L152xx
82/101
Doc ID 15962 Rev 2
VLCD external capacitor (STM8L152xx only)
The application can achieve a stabilized LCD reference voltage by connecting an external
capacitor CEXT to the VLCD pin. CEXT is specified in Table 39.
8.3.9
Embedded reference voltage
8.3.10
Temperature sensor
Table 40.
Reference voltage characteristics(1)
Symbol
Parameter
Min
Typ
Max.
Unit
IREFINT
Internal reference voltage consumption
1.4
µA
TS_VREFINT
ADC sampling time when reading the
internal reference voltage(2)
510
µs
IBUF
Internal reference voltage buffer
consumption (used for ADC)
13.5
25
µA
VREFINT out
Reference voltage output
TBD
1.225
TBD
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 ouptut current(3)
1µA
CREFOUT
Reference voltage output load
50
pF
tVREFINT
Internal reference voltage startup time
2
TBD
ms
tBUFEN
Internal reference voltage buffer startup
time once enabled (2)
10
µs
ACCVREFINT
Accuracy of VREFINT stored in engibyte
± 5
mV
STABVREFINT
Stability of VREFINT in temperature
20
50
ppm/°C
STABVREFINT
Stability of VREFINT after 1000 hours
TBD
ppm
1.
Based on characterization results, unless otherwise specified
2.
Defined when ADC output reaches its final value ±1/2LSB
3.
To guaranty less than 1%
VREFOUT deviation
Table 41.
TS characteristics(1)
Symbol
Parameter
Min
Typ
Max.
Unit
V25
Sensor reference voltage at 25°C
TBD
0.495
TBD
V
TL
VSENSOR linearity with temperature
TBD
TBD
°C
Avg_slope
Average slope
TBD
TBD
TBD
mV/°C
IDD(TEMP)
Consumption
3.4
6
µA



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