STM8L151G4Y3 STMICROELECTRONICS [STMicroelectronics], STM8L151G4Y3 Datasheet - Page 98

• Manufacturer Part Number: STM8L151G4Y3
• 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
9.3.9
1. Defined when ADC output reaches its final value ±1/2LSB
2. To guaranty less than 1%
3. Measured at V
98/122
Table 44.
STAB
STAB
V
V
V
ACC
T
V
REFINT_DIV1
REFNT_DIV2
REFNT_DIV3
C
S_VREFINT
t
Symbol
REFINT out
I
I
VREFINT
REFOUT
t
I
REFINT
REFOUT
BUFEN
LPBUF
I
BUF
VREFINT
VREFINT
VREFINT
Reference voltage characteristics
Embedded reference voltage
Based on characterization results, unless otherwise specified.
DD
Stability of V
Stability of V
Internal reference voltage low power
Stability of V
ADC sampling time when reading
Accuracy of V
Internal reference voltage startup
VREFINT_Factory_CONV byte
Internal reference voltage buffer
Internal reference voltage buffer
the internal reference voltage
= 3 V ±10 mV. This value takes into account V
Reference voltage output load
startup time once enabled
buffer consumption (used for
consumption (used for ADC)
Internal reference voltage
Reference voltage output
comparators or output)
Buffer output current
1/4 reference voltage
1/2 reference voltage
3/4 reference voltage
V
REFOUT
consumption
REFINT
REFINT
Parameter
REFINT
REFINT
time
deviation
over temperature -40 °C ≤ T
over temperature
after 1000 hours
stored in the
(2)
(1)
Doc ID 15962 Rev 5
(1)
(3)
0 °C ≤ T
Conditions
DD
accuracy and ADC conversion accuracy.
A
A
≤ 50 °C
≤ 125 °C
1.202 1.224 1.242
Min
STM8L151xx, STM8L152xx
13.5
Typ
730
1.4
25
50
75
20
5
2
1200
Max.
TBD
± 5
10
50
10
20
25
50
1
3
%V
REFINT_COMP
ppm/°C
ppm/°C
Unit
ppm
mV
ms
µA
µA
nA
µA
pF
µs
µs
V