參數(shù)資料
型號: ST7DALI
廠商: 意法半導(dǎo)體
元件分類: ADC
英文描述: 8-BIT MCU WITH SINGLE VOLTAGE FLASH MEMORY, DATA EEPROM, ADC, TIMERS, SPI, DALI
中文描述: 8位單電壓閃存存儲器,數(shù)據(jù)EEPROM,模數(shù)轉(zhuǎn)換器,定時器,SPI和大理微控制器
文件頁數(shù): 123/141頁
文件大?。?/td> 2175K
代理商: ST7DALI
ST7DALI
123/141
13.11 10-BIT ADC CHARACTERISTICS
Subject to general operating condition for V
DD
, f
OSC
, and T
A
unless otherwise specified.
Figure 91. 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 refers 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 fi
rst 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 voltage range
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
Analog Part
Digital Part
V
SSA
6
f
CPU
=8MHz, f
ADC
=4MHz
0
4)
3.5
4
10
μ
s
t
ADC
1/f
ADC
I
ADC
1
mA
0.2
AINx
ST72XXX
V
DD
I
L
±1
μ
A
V
T
0.6V
V
T
0.6V
C
ADC
6pF
V
AIN
R
AIN
10-Bit A/D
Conversion
C
AIN
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