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STM32L162VC 数据表(PDF) 95 Page - STMicroelectronics

部件名 STM32L162VC
功能描述  Ultra-low-power platform
PDF  123 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

STM32L162VC 数据表(HTML) 95 Page - STMicroelectronics

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STM32L162VC, STM32L162RC
104
Table 57. ADC accuracy(1)(2)
Symbol
Parameter
Test conditions
Min(3)
Typ
Max(3) Unit
ET
Total unadjusted error
2.4 V
≤VDDA ≤ 3.6 V
2.4 V
≤VREF+ ≤ 3.6 V
fADC = 8 MHz, RAIN = 50 Ω
TA = -40 to 105 ° C
-2
4
LSB
EO
Offset error
-
1
2
EG
Gain error
-
1.5
3.5
ED
Differential linearity error
-
1
2
EL
Integral linearity error
-
1.7
3
ENOB
Effective number of bits
2.4 V
≤VDDA ≤ 3.6 V
VDDA = VREF+
fADC = 16 MHz, RAIN = 50 Ω
TA = -40 to 105 ° C
Finput=10kHz
9.2
10
-
bits
SINAD
Signal-to-noise and
distortion ratio
57.5
62
-
dB
SNR
Signal-to-noise ratio
57.5
62
-
THD
Total harmonic distortion
-
-70
-65
ENOB
Effective number of bits
1.8 V
≤VDDA ≤ 2.4 V
VDDA = VREF+
fADC = 8 MHz or 4 MHz, RAIN = 50 Ω
TA = -40 to 105 ° C
Finput=10kHz
9.2
10
-
bits
SINAD
Signal-to-noise and
distortion ratio
57.5
62
-
dB
SNR
Signal-to-noise ratio
57.5
62
-
THD
Total harmonic distortion
-
-70
-65
ET
Total unadjusted error
2.4 V
≤VDDA ≤ 3.6 V
1.8 V
≤VREF+ ≤ 2.4 V
fADC = 4 MHz, RAIN = 50 Ω
TA = -40 to 105 ° C
-4
6.5
LSB
EO
Offset error
-
2
4
EG
Gain error
-
4
6
ED
Differential linearity error
-
1
2
EL
Integral linearity error
-
1.5
3
ET
Total unadjusted error
1.8 V
≤VDDA ≤ 2.4 V
1.8 V
≤VREF+ ≤ 2.4 V
fADC = 4 MHz, RAIN = 50 Ω
TA = -40 to 105 ° C
-2
3
LSB
EO
Offset error
-
1
1.5
EG
Gain error
-
1.5
2
ED
Differential linearity error
-
1
2
EL
Integral linearity error
-
1
1.5
1. ADC DC accuracy values are measured after internal calibration.
2. ADC accuracy vs. negative injection current: Injecting a negative current on any analog input pins should be avoided as
this significantly reduces the accuracy of the conversion being performed on another analog input. It is recommended to
add a Schottky diode (pin to ground) to analog pins which may potentially inject negative currents.
Any positive injection current within the limits specified for IINJ(PIN) and ΣIINJ(PIN) in Section 6.3.12 does not affect the ADC
accuracy.
3. Guaranteed by characterization results.



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