STM8L151K6U3 STMICROELECTRONICS [STMicroelectronics], STM8L151K6U3 Datasheet - Page 82

• Manufacturer Part Number: STM8L151K6U3
• Description: 8-bit ultralow power MCU, up to 32 KB Flash, 1 KB Data EEPROM RTC, LCD, timers, USART, I2C, SPI, ADC, DAC, comparators
• Manufacturer: STMICROELECTRONICS [STMicroelectronics]

Electrical parameters
8.3.9
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%
8.3.10
82/101
Table 40.
STAB
STAB
V
V
V
ACC
T
V
REFINT_DIV1
REFNT_DIV2
REFNT_DIV3
C
S_VREFINT
t
REFINT out
I
Symbol
I
VREFINT
REFOUT
t
I
REFINT
REFOUT
BUFEN
LPBUF
I
VREFINT
BUF
VREFINT
VREFINT
Reference voltage characteristics
VLCD external capacitor (STM8L152xx only)
The application can achieve a stabilized LCD reference voltage by connecting an external
capacitor C
Embedded reference voltage
Temperature sensor
Table 41.
Avg_slope
IDD
Symbol
V
Internal reference voltage low power buffer
T
(TEMP)
25
Internal reference voltage buffer startup
L
Internal reference voltage consumption
Accuracy of V
consumption (used for comparators or
Internal reference voltage startup time
ADC sampling time when reading the
Stability of V
Stability of V
Internal reference voltage buffer
EXT
Reference voltage output load
V
consumption (used for ADC)
TS characteristics
internal reference voltage
REFOUT
Reference voltage output
V
Buffer ouptut current
1/4 reference voltage
1/2 reference voltage
time once enabled
to the V
3/4 reference voltage
SENSOR
Sensor reference voltage at 25°C
REFINT
deviation
REFINT
Parameter
REFINT
output)
linearity with temperature
LCD
Average slope
stored in engibyte
after 1000 hours
Consumption
in temperature
pin. C
Parameter
Doc ID 15962 Rev 2
(1)
(2)
(3)
EXT
(1)
(2)
is specified in
TBD
Min
Table
TBD
TBD
Min
1.225
13.5
39.
730
Typ
1.4
25
50
75
20
5
2
STM8L151xx, STM8L152xx
0.495
TBD
TBD
Typ
3.4
1200
TBD
TBD
TBD
Max.
± 5
10
25
50
10
50
1
%V
TBD
TBD
TBD
Max.
6
REFINT_COMP
ppm/°C
ppm
Unit
mV
ms
µA
µA
nA
µA
pF
µs
µs
V
mV/°C
Unit
µA
°C
V