ST72325R6-AUTO STMicroelectronics, ST72325R6-AUTO Datasheet - Page 224

• Manufacturer Part Number: ST72325R6-AUTO
• Description: 8-bit Mcu For Automotive With 16 To 60 Kbyte Flash, Adc, Css, 5 Timers, Spi, Sci, I2c Interface
• Manufacturer: STMicroelectronics

Electrical characteristics
19.12
Table 136. 10-bit ADC characteristics
1. Any added external serial resistor will downgrade the ADC accuracy (especially for resistance greater than 10kΩ). Data
2. Injecting negative current on adjacent pins may result in increased leakage currents. Software filtering of the converted
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Symbol
V
C
R
C
f
V
t
t
AREF
f
ADC
ADC
ADC
I
based on characterization results, not tested in production.
analog value is recommended.
AIN
ADC
AIN
lkg
AIN
AIN
ADC clock frequency
Analog reference voltage
Conversion voltage range
Input leakage current for analog
input
External input impedance
External capacitor on analog input
Variation frequency of analog input
signal
Internal sample and hold capacitor
Conversion time (Sample + Hold)
f
f
No. of sample capacitor loading
cycles
No. of hold conversion cycles
CPU
ADC
10-bit ADC characteristics
Subject to general operating conditions for V
(2)
= 8 MHz, speed = 0,
= 2 MHz
Parameter
(1)
0.7*V
-40°C < T
Other T
DD
Conditions
A
< V
ranges
A
< 85°C range
AREF
DD
< V
, f
DD
CPU
, and T
V
Min
0.4
3.8
SSA
A
unless otherwise specified.
Typ
12
7.5
11
4
ST72325xxx-Auto
Figure 95
Figure 96
V
±250
Max
V
See
and
AREF
±1
2
DD
1/f
MHz
Unit
nA
µA
kΩ
Hz
pF
pF
µs
V
ADC