ST72F561AR6T3 STMicroelectronics, ST72F561AR6T3 Datasheet - Page 246
ST72F561AR6T3
Manufacturer Part Number
ST72F561AR6T3
Description
IC MCU 8BIT 32K FLASH 64-LQFP
Manufacturer
STMicroelectronics
Series
ST7r
Datasheet
1.ST72F561K6T6.pdf
(265 pages)
Specifications of ST72F561AR6T3
Core Processor
ST7
Core Size
8-Bit
Speed
8MHz
Connectivity
CAN, LINSCI, SPI
Peripherals
LVD, POR, PWM, WDT
Number Of I /o
48
Program Memory Size
32KB (32K x 8)
Program Memory Type
FLASH
Ram Size
1K x 8
Voltage - Supply (vcc/vdd)
3.8 V ~ 5.5 V
Data Converters
A/D 16x10b
Oscillator Type
External
Operating Temperature
-40°C ~ 125°C
Package / Case
64-LQFP
For Use With
497-8374 - BOARD DEVELOPMENT FOR ST72F561
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
ST72F561AR6T3
Manufacturer:
STMicroelectronics
Quantity:
10 000
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ST72561
ADC CHARACTERISTICS (Cont’d)
Figure 141. R
Figure 143. 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
246/265
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 142. 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
Values
3)
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