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APM32E103CET6-R 数据表(PDF) 55 Page - Geehy Semiconductor Co., Ltd.

部件名 APM32E103CET6-R
功能描述  Arm® Cortex®-M3 based 32-bit MCU
PDF  79 Pages
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制造商  GEEHY [Geehy Semiconductor Co., Ltd.]
网页  https://global.geehy.com/
标志 GEEHY - Geehy Semiconductor Co., Ltd.

APM32E103CET6-R 数据表(HTML) 55 Page - Geehy Semiconductor Co., Ltd.

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Pag e 54
Sample rate=ADC clock/(number of sampling periods + number of conversion periods)
5.11.1.1.
12-bit ADC characteristics
Table 40 12-bit ADC Characteristics
Symbol
Parameter
Conditions
Minimum
value
Typical
value
Maximum
value
Unit
VDDA
Power supply voltage
-
2.4
-
3.6
V
IDDA
ADC pwoer
consumption
VDDA=3.3V，fADC=14MHz，
Sampling time=1.5 fADC
-
1
-
mA
fADC
ADC frequency
-
0.6
-
14
MHz
CADC
Internal sampling and
holding capacitance
-
-
8
-
pF
RADC
Sampling resistor
-
-
-
1000
Ω
tS
Sampline Time
fADC=14MHz
0.107
-
17.1
μs
TCONV
Sampling and
conversion time
fADC=14MHz, 12-bit
conversion
1
-
18
μs
Table 41 12-bit ADC Accuracy
Symbol
Parameter
Condition
Typical
value
Maximum
value
Unit
ET
Total uncorrected error
fPCLK=56MHz,
fADC=14MHz,
VDDA=2.4V-3.6V
TA=-40℃~105℃
±
2
±
5
LSB
EO
offset error
±
1.5
±
2.5
EG
Gain error
±
1.5
±
3
ED
Differential linear error
±
1
±
2
EL
Integral linearity error
±
1.5
±
3
Note: It is obtained from a comprehensive evaluation and is not tested in production.
5.11.1.2.
Test of Built-in Reference Voltage Characteristics
Table 42 Embedded Reference Voltage Characteristics
Symbol
Parameter
Conditions
Minimum
value
Typical
value
Maximum
value
Unit
VREFINT
Built-in Reference Voltage
-40℃ < TA <
+105℃
VDD= 2-3.6 V
1.1882
1.1947
1.2002
V
TS_vrefint
Sampling time of ADC when
reading out internal reference
voltage
-
-
5.1
17.1
μs
VRERINT
Built-in reference voltage
extends to temperature range
VDD=3V ±10mV
-
-
18
mV
Tcoeff
Temperature coefficient
-
-
-
104
ppm/℃
Note: It is obtained from a comprehensive evaluation and is not tested in production.



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