ST72361J6 STMicroelectronics, ST72361J6 Datasheet - Page 205

• Manufacturer Part Number: ST72361J6
• Description: 8-bit MCU
• Manufacturer: STMicroelectronics

Specifications of ST72361J6

• Hdflash Endurance: 100 cycles, data retention 40 years at 85°C
• 5 Power Saving Modes: Halt, Auto Wake Up From Halt, Active Halt, Wait and Slow

ADC CHARACTERISTICS (Cont’d)
Figure 119. R
Figure 121. Typical Application with ADC
Notes:
1. C
pacitance (3pF). A high C
2. Any added external serial resistor will downgrade the ADC accuracy (especially for resistance greater than 10kΩ). Data
based on characterization results, not tested in production.
3. This graph shows that depending on the input signal variation (f
reduced to allow the use of a larger serial resistor (R
45
40
35
30
25
20
15
10
PARASITIC
5
0
V
AIN
0
represents the capacitance of the PCB (dependent on soldering and PCB layout quality) plus the pad ca-
AIN
R
Max vs f
AIN
10
C
PARASITIC
PARASITIC
(pF)
C
ADC
AIN
30
AINx
with C
value will downgrade conversion accuracy. To remedy this, f
4 MHz
2 MHz
1 MHz
70
AIN
= 0pF
AIN)
1)2)
V
. It is valid for all f
DD
V
0.6V
V
0.6V
T
T
Figure 120. Recommended C
1000
AIN
100
0.1
10
1
), C
2kΩ(max)
AIN
I
±1μA
0.01
ADC
L
can be increased for stabilization time and
frequencies ≤ 4 MHz.
0.1
10-Bit A/D
Conversion
f
AIN
(KHz)
1
ADC
AIN
Cain 10 nF
Cain 22 nF
Cain 47 nF
should be reduced.
ST72XXX
/R
10
AIN
C
6pF
ADC
ST72361
Values
205/225
3)