參數(shù)資料
型號: ST72F324BJ2T5
廠商: STMICROELECTRONICS
元件分類: 微控制器/微處理器
英文描述: 8-BIT, FLASH, 8 MHz, MICROCONTROLLER, PQFP44
封裝: 10 X 10 MM, LQFP-44
文件頁數(shù): 49/167頁
文件大?。?/td> 2651K
代理商: ST72F324BJ2T5
Electrical characteristics
ST72323 ST72323L
142/167
11.12
10-bit ADC characteristics
Subject to general operating conditions for VDD, fCPU, and TA unless otherwise specified.
Figure 84.
RAIN max. vs. fADC with CAIN = 0 pF
(1)
1.
CPARASITIC represents the capacitance of the PCB (dependent on soldering and PCB layout quality) plus
the pad capacitance (3pF). A high CPARASITIC value will downgrade conversion accuracy. To remedy this,
fADC should be reduced.
Table 84.
10-bit ADC characteristics
Symbol
Parameter
Conditions
Min
Typ
Max
Unit
fADC
ADC clock frequency
fCPU ≤ 4MHz
0.4
4
MHz
VAREF
Analog reference voltage
0.7VDD ≤ VAREF ≤ VDD
3.8
VDD
V
VAIN
Conversion voltage range (1)
1.
Any added external serial resistor will downgrade the ADC accuracy (especially for resistance greater than
10 k
Ω). Data based on characterization results, not tested in production.
VSSA
VAREF
Ilkg
Positive input leakage current
for analog input
–40 °C
≤ T
A ≤+85 °C
±250
nA
+85 °C
≤ T
A ≤+125 °C
±1
A
Negative input leakage current
on robust analog pins
VIN < VSS, | IIN | < 400 A
on adjacent robust
analog pin
56
A
RAIN
External input impedance
see
84 and
k
Ω
CAIN
External capacitor on analog
input
pF
fAIN
Variation frequency of analog
input signal
Hz
CADC
Internal sample and hold
capacitor
12
pF
tADC
Conversion time (Sample+Hold)
fCPU = 4 MHz, MAX_SPEED =
1, SPEED = 1 fADC =4MHz
3.75
s
tADC
– No of sample capacitor
loading cycles
– No. of Hold conversion cycles
4
11
1/fADC
0
5
10
15
20
25
30
35
40
45
010
30
70
CPARASITIC (pF)
Max
.R
AIN
(Kohm)
2 MHz
1 MHz
相關PDF資料
PDF描述
ST733C04LCK3LP 1900 A, 400 V, SCR, TO-200AC
ST733C04LCL3P 1900 A, 400 V, SCR, TO-200AC
ST733C04LCN0LP 1900 A, 400 V, SCR, TO-200AC
ST733C04LEP3P 1900 A, 400 V, SCR, TO-200AC
ST733C04LFL2LP 1900 A, 400 V, SCR, TO-200AC
相關代理商/技術參數(shù)
參數(shù)描述
ST72F324BJ2T6 功能描述:8位微控制器 -MCU 8-BIT MCU W/ 8-32K Flash/ROM ADC RoHS:否 制造商:Silicon Labs 核心:8051 處理器系列:C8051F39x 數(shù)據(jù)總線寬度:8 bit 最大時鐘頻率:50 MHz 程序存儲器大小:16 KB 數(shù)據(jù) RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:1.8 V to 3.6 V 工作溫度范圍:- 40 C to + 105 C 封裝 / 箱體:QFN-20 安裝風格:SMD/SMT
ST72F324BJ4B5 功能描述:8位微控制器 -MCU ST72324B 5V RANGE 8B MCU RoHS:否 制造商:Silicon Labs 核心:8051 處理器系列:C8051F39x 數(shù)據(jù)總線寬度:8 bit 最大時鐘頻率:50 MHz 程序存儲器大小:16 KB 數(shù)據(jù) RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:1.8 V to 3.6 V 工作溫度范圍:- 40 C to + 105 C 封裝 / 箱體:QFN-20 安裝風格:SMD/SMT
ST72F324BJ4B6 功能描述:8位微控制器 -MCU 5V RANGE 8B MCU RoHS:否 制造商:Silicon Labs 核心:8051 處理器系列:C8051F39x 數(shù)據(jù)總線寬度:8 bit 最大時鐘頻率:50 MHz 程序存儲器大小:16 KB 數(shù)據(jù) RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:1.8 V to 3.6 V 工作溫度范圍:- 40 C to + 105 C 封裝 / 箱體:QFN-20 安裝風格:SMD/SMT
ST72F324BJ4T3 功能描述:8位微控制器 -MCU ST72324B 5V RANGE 8B MCU RoHS:否 制造商:Silicon Labs 核心:8051 處理器系列:C8051F39x 數(shù)據(jù)總線寬度:8 bit 最大時鐘頻率:50 MHz 程序存儲器大小:16 KB 數(shù)據(jù) RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:1.8 V to 3.6 V 工作溫度范圍:- 40 C to + 105 C 封裝 / 箱體:QFN-20 安裝風格:SMD/SMT
ST72F324BJ4T6 功能描述:8位微控制器 -MCU ST72324B 5V RANGE 8B MCU RoHS:否 制造商:Silicon Labs 核心:8051 處理器系列:C8051F39x 數(shù)據(jù)總線寬度:8 bit 最大時鐘頻率:50 MHz 程序存儲器大小:16 KB 數(shù)據(jù) RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:1.8 V to 3.6 V 工作溫度范圍:- 40 C to + 105 C 封裝 / 箱體:QFN-20 安裝風格:SMD/SMT