ST7MC2S4 STMicroelectronics, ST7MC2S4 Datasheet - Page 282

• Manufacturer Part Number: ST7MC2S4
• Description: 8-BIT MCU WITH NESTED INTERRUPTS, FLASH, 10-BIT ADC,BRUSHLESS MOTOR CONTROL, 5 TIMERS, SPI, LINSCI(TM)
• Manufacturer: STMicroelectronics

ST7MC1xx/ST7MC2xx
10-BIT ADC CHARACTERISTICS (Cont’d)
Figure 159. Typical Application with ADC
Notes:
1. When V
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. C
pacitance (3pF). A high C
4. This graph shows that depending on the input signal variation (f
decreased to allow the use of a larger serial resistor (R
282/309
PARASITIC
SSA
V
represents the capacitance of the PCB (dependent on soldering and PCB layout quality) plus the pad ca-
V
pins are not available on the pinout, the ADC refer to V
AIN
DD
0.1
R
PARASITIC
AIN
μ
F
C
AIN
value will downgrade conversion accuracy. To remedy this, f
AINx
V
V
SSA
AREF
R
AREF
AIN)
.
V
DD
V
0.6V
V
0.6V
T
T
AIN
SS
), C
.
AIN
can be increased for stabilization time and
2kΩ(max)
I
±1μA
L
10-Bit A/D
Conversion
ADC
should be reduced.
ST7MC
C
6pF
ADC