STM8L151G4Y3 STMICROELECTRONICS [STMicroelectronics], STM8L151G4Y3 Datasheet - Page 105
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STM8L151G4Y3
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]
Datasheet
1.STM8L151G4Y3.pdf
(122 pages)
- Current page: 105 of 122
- Download datasheet (3Mb)
STM8L151xx, STM8L152xx
Figure 38. ADC1 accuracy characteristics
Figure 39. Typical connection diagram using the ADC
1. Refer to
2. C
General PCB design guidelines
Power supply decoupling should be performed as shown in
depending on whether V
capacitors should be used. They should be placed as close as possible to the chip.
4095
4094
4093
pad capacitance (roughly 7 pF). A high C
this, f
7
6
5
4
3
2
1
parasitic
0
V
SSA
[1LSB
ADC
1
Table 51
represents the capacitance of the PCB (dependent on soldering and PCB layout quality) plus the
E
should be reduced.
IDEAL
O
2
=
V
4096
3
for the values of R
REF+
4
(or
REF+
V
5
1 LSB
4096
DDA
E
6
T
depending on package)]
IDEAL
is connected to V
Doc ID 15962 Rev 5
E
AIN
7
L
(2)
and C
parasitic
E
D
ADC
4093 4094 4095 4096
(3)
value will downgrade conversion accuracy. To remedy
.
(1)
DDA
E
G
or not. Good quality ceramic 10 nF
V
DDA
(1) Example of an actual transfer curve
(2) The ideal transfer curve
(3) End point correlation line
E
between the actual and the ideal transfer curves.
E
transition and the first ideal one.
E
transition and the last actual one.
E
between actual steps and the ideal one.
E
between any actual transition and the end point
correlation line.
T
O
G
D
L
=Total Unadjusted Error: maximum deviation
=Integral Linearity Error: maximum deviation
=Differential Linearity Error: maximum deviation
=Offset Error: deviation between the first actual
=Gain Error: deviation between the last ideal
Figure 40
Electrical parameters
or
Figure
41,
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