參數(shù)資料
型號： ST72C171K2
廠商： 意法半導(dǎo)體
英文描述： 8-BIT MCU WITH 8K FLASH. ADC. WDG. SPI. SCI. TIMERS SPGAS (SOFTWARE PROGRAMMABLE GAIN AMPLIFIERS). OP-AMP
中文描述： 8位8K閃存微控制器。 ADC的。水分散粒劑。的SPI。脊髓損傷。定時(shí)器SPGAS（軟件可編程增益放大器）。運(yùn)放
文件頁數(shù)： 139/152頁
文件大?。?/td> 1384K
代理商： ST72C171K2
ST72C171
139/152
9.12 8-BIT ADC CHARACTERISTICS
Subject to general operating conditions for V
DD
, f
OSC
, and T
A
unless otherwise specified.
Figure 97. Typical Application with ADC
Notes:
1.
Unless otherwise specified, typical data are based on T
A
=25°C and V
DD
-V
SS
=5V. They are given only as design guide-
lines and are not tested.
2. When V
DDA
and V
SSA
pins are not available on the pinout, the ADC refer to V
DD
and V
SS
.
3. Any added external serial resistor will downgrade the ADC accuracy (especially for resistance greater than 10k
). Data
based on characterization results, not tested in production.
4.
The stabilization time of the AD converter is masked by the first t
LOAD
. The first conversion after the enable is then
always valid.
Symbol
f
ADC
V
AIN
R
AIN
C
ADC
t
STAB
Parameter
Conditions
Min
Typ
1)
Max
4
V
DDA
10
3)
Unit
MHz
V
k
pF
ADC clock frequency
Conversion range voltage
2)
External input resistor
Internal sample and hold capacitor
Stabilization time after ADC enable
Conversion time (Sample+Hold)
- Sample capacitor loading time
- Hold conversion time
V
SSA
6
f
CPU
=8MHz, f
ADC
=4MHz
0
4)
3
4
8
μ
s
t
ADC
1/f
ADC
AINx
ST72XXX
C
IO
~2pF
V
DD
I
L
±1
μ
A
V
T
0.6V
V
T
0.6V
V
AIN
R
AIN
V
DDA
V
SSA
0.1
μ
F
V
DD
ADC
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ST72C171K2B6 功能描述:8位微控制器 -MCU Flash 8K SPI/SCI 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(shí)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(fēng)格:SMD/SMT
ST72C171K2M6 功能描述:8位微控制器 -MCU Flash 8K SPI/SCI 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(shí)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(fēng)格:SMD/SMT
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