stm8af6166tdy STMicroelectronics, stm8af6166tdy Datasheet - Page 73

• Manufacturer Part Number: stm8af6166tdy
• Description: Automotive 8-bit Mcu, With Up To 32 Kbytes Flash, Data Eeprom, 10-bit Adc, Timers, Lin, Spi, I2c, 3 To 5.5 V
• Manufacturer: STMicroelectronics

STM8AF61xx, STM8AF62xx
10.3.11
10-bit ADC characteristics
Subject to general operating conditions for V
specified.
Table 42.
1. During the sample time, the sampling capacitance, C
Figure 40. Typical application with ADC
1. Legend: R
f
V
V
V
V
C
t
t
t
R
Symbol
ADC
S
STAB
CONV
AIN
DDA
REF+
REF-
samp
switch
(1)
external source. The internal resistance of the analog source must allow the capacitance to reach its final
voltage level within t
effect on the conversion result.
ADC clock frequency
Analog supply
Positive reference voltage
Negative reference voltage
Conversion voltage range
Internal sample and hold capacitor
Sampling time
(3 x 1/f
Wakeup time from standby
Total conversion time including
sampling time
(14 x 1/f
Equivalent switch resistance
AIN
V
AIN
ADC characteristics
= external resistance, C
ADC
ADC
R
S.
)
Parameter
AIN
)
After the end of the sample time t
C
AIN
AINx
Doc ID 14952 Rev 5
(1)
AIN
= capacitors, C
external V
f
f
f
f
f
f
Devices with
ADC
ADC
ADC
ADC
ADC
ADC
DDA
Conditions
V
V
DD
samp
REF-
V
0.6V
V
0.6V
= 2 MHz
= 4 MHz
= 2 MHz
= 4 MHz
= 2 MHz
= 4 MHz
S
, f
T
T
samp
, changes of the analog input voltage have no
-
-
-
-
-
-
-
(3 pF typ), can be charged/discharged by the
MASTER
pins
REF+
= internal sample and hold capacitor.
/
I
, and T
L
111 kHz
Rswitch
V
V
V
2.75
T
Min
REF-
SSA
SSA
s
3
-
-
-
-
-
-
-
-
A
Electrical characteristics
C
unless otherwise
samp
0.75
Typ
conversion
10-bit A/D
1.5
3.5
3.5
7
7
-
-
-
-
-
-
-
-
STM8A
4 MHz kHz/MHz
V
V
V
Max
REF+
5.5
0.5
30
DDA
DDA
3
-
-
-
-
-
-
Unit
kΩ
pF
µs
V
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