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参数资料
| 型号： | STR715FRT3 |
| 厂商： | STMICROELECTRONICS |
| 元件分类： | 微控制器/微处理器 |
| 英文描述： | 32-BIT, FLASH, 66 MHz, RISC MICROCONTROLLER, PQFP64 |
| 封装： | 10 X 10 MM, LQFP-64 |
| 文件页数： | 63/78页 |
| 文件大小： | 2018K |
| 代理商： | STR715FRT3 |
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Electrical parameters
STR71xF
66/78
4.3.11
ADC characteristics
Subject to general operating conditions for AVDD, fPCLK2, and TA unless otherwise specified.
Notes:
1.
Unless otherwise specified, typical data are based on TA=25°C and AVDD-AVSS=3.3V. They are given only
as design guidelines and are not tested.
2.
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.
3.
Calibration is needed once after each power-up.
Table 42.
ADC characteristics
Symbol
Parameter
Conditions
Min
Typ 1)
Max
Unit
fMOD
Modulator Oversampling
frequency
2.1
MHz
VAIN
Conversion voltage range 2)3)
02.5
V
Ilkg
Negative input leakage current on
analog pins
VIN<VSS, | IIN |<
400A on adjacent
analog pin
56
A
PBR
Passband Ripple
0.1
dB
SINAD
S/N and Distortion
56
63
dB
THD
Total Harmonic Distortion
60
74
dB
ZIN
Input Impedance
fMOD = 2 MHz
1
M
CADC
Internal sample and hold capacitor
3.2
pF
tCONV
Total Conversion time (including
sampling time)
2048/
fMOD
(max)
IADC
Normal mode
TA = 27 °C
2.5
3.0
mA
Standby mode
TA = 27 °C
1
A
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