st7pmc2s6 STMicroelectronics, st7pmc2s6 Datasheet - Page 347

• Manufacturer Part Number: st7pmc2s6
• Description: 8-bit Mcu For Automotive With Nested Interrupts, Flash, 10-bit Adc, Brushless Motor Control, 5 Timers, Spi, Linsci?
• Manufacturer: STMicroelectronics

ST7MC1K2-Auto, ST7MC1K6-Auto, ST7MC2S4-Auto, ST7MC2S6-Auto
12.14
Subject to general operating conditions for V
Table 220. 10-bit ADC characteristics
1. When V
2.
3. C
4. This graph shows that depending on the input signal variation (f
Symbol
R
V
C
R
C
f
V
t
f
AREF
ADC
ADC
AREF
I
based on characterization results, not tested in production.
capacitance (3pF). A high C
decreased to allow the use of a larger serial resistor (R
AIN
ADC
AIN
lkg
Any added external serial resistor downgrades the ADC accuracy (especially for resistance greater than 10k ). Data
AIN
AIN
PARASITIC
Analog reference voltage
ADC clock frequency
Conversion voltage range
Input leakage current for analog
input
Negative input leakage current on
analog pins
External input impedance
External capacitor on analog input
Variation freq. of analog input
signal
Internal sample and hold capacitor
Conversion time (sample+hold)
– Sample capacitor loading time
– Hold conversion time
Conversion time (sample+hold)
– Sample capacitor loading time
– Hold conversion time
Analog reference input resistor
SSA
represents the capacitance of the PCB (dependent on soldering and PCB layout quality) plus the pad
10-bit ADC characteristics
pins are not available on the pinout, the ADC refer to V
Parameter
PARASITIC
(1)
value downgrades conversion accuracy. To remedy this, f
V
on adjacent analog pin
f
f
ADSTS bit in MCCBCR
register = 0
f
f
ADSTS bit in MCCBCR
register = 1
CPU
ADC
CPU
ADC
IN
DD
< V
= 8 MHz,
= 4 MHz,
= 8 MHz,
= 4 MHz,
, f
AIN)
Conditions
OSC
SS,
.
| I
, and T
IN
AIN
|< 400µA
), C
SS
.
AIN
A
unless otherwise specified.
can be increased for stabilization time and
V
Min
SSA
3
Electrical characteristics
Typ
11
5
6
3.5
6.5
10
16
10
ADC
4
should be reduced.
Figure 158
Figure 159
(2)(3)(4)
V
Max
V
see
and
AREF
±1
4
6
DD
347/371
1/f
1/f
MHz
Unit
µA
pF
Hz
pF
k
µs
µs
k
V
V
ADC
ADC