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STM32L051C8 bảng dữ liệu(PDF) 89 Page - STMicroelectronics

tên linh kiện STM32L051C8
Giải thích chi tiết về linh kiện  Access line ultra-low-power 32-bit MCU ARM-based Cortex-M0, up to 64 KB Flash, 8 KB SRAM, 2 KB EEPROM, ADC
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nhà sản xuất  STMICROELECTRONICS [STMicroelectronics]
Trang chủ  http://www.st.com
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STM32L051C8 bảng dữ liệu(HTML) 89 Page - STMicroelectronics

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STM32L051x6 STM32L051x8
Electrical characteristics
100
Figure 28. ADC accuracy characteristics
ET
Total unadjusted error
1.65 V < VREF+ < VDDA < 3.6 V,
range 1/2/3
-2
5
LSB
EO
Offset error
-
1
2.5
EG
Gain error
-
1
2
EL
Integral linearity error
-
1.5
3
ED
Differential linearity error
-
1
2
ENOB
Effective number of bits
10.0
11.0
-
bits
SINAD Signal-to-noise distortion
62
69
-
dB
SNR
Signal-to-noise ratio
61
69
-
THD
Total harmonic distortion
-
-85
-65
1. ADC DC accuracy values are measured after internal calibration.
2. ADC Accuracy vs. Negative Injection Current: Injecting negative current on any of the standard (non-robust) 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 standard analog pins which may potentially inject
negative current.
Any positive injection current within the limits specified for IINJ(PIN) and IINJ(PIN) in Section 6.3.12 does not affect the ADC
accuracy.
3. Better performance may be achieved in restricted VDDA, frequency and temperature ranges.
4. This number is obtained by the test board without additional noise, resulting in non-optimized value for oversampling mode.
Table 62. ADC accuracy(1)(2)(3)
Symbol
Parameter
Conditions
Min
Typ
Max
Unit



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