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STM32F303XD Datasheet(PDF) 143 Page - STMicroelectronics

No. de pieza STM32F303XD
Descripción Electrónicos  ARM Cortex-M4 32b MCUFPU, up to 512KB Flash, 80KB SRAM, FSMC, 4 ADCs, 2 DAC ch., 7 comp, 4 Op-Amp, 2.0-3.6 V
PDF  173 Pages
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Fabricante Electrónico  STMICROELECTRONICS [STMicroelectronics]
Página de inicio  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

STM32F303XD Datasheet(HTML) 143 Page - STMicroelectronics

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STM32F303xD STM32F303xE
Electrical characteristics
151
Figure 50. ADC accuracy characteristics
Table 85. ADC accuracy at 1MSPS(1)(2)
Symbol
Parameter
Test conditions
Typ
Max(3)
Unit
ET
Total unadjusted error
ADC Freq ≤ 72 MHz
Sampling Freq ≤ 1MSPS
2.4 V ≤ VDDA = VREF+ ≤ 3.6 V
Single-ended mode
Fast channel
±2.5
±5
LSB
Slow channel
±3.5
±5
EO
Offset error
Fast channel
±1
±2.5
Slow channel
±1.5
±2.5
EG
Gain error
Fast channel
±2
±3
Slow channel
±3
±4
ED
Differential linearity error
Fast channel
±0.7
±2
Slow channel
±0.7
±2
EL
Integral linearity error
Fast channel
±1
±3
Slow channel
±1.2
±3
1. ADC DC accuracy values are measured after internal calibration.
2. ADC accuracy vs. negative Injection Current: Injecting 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 current. Any positive injection current
within the limits specified for IINJ(PIN) and ∑IINJ(PIN) in Section 6.3.15: I/O port characteristics does not affect the ADC
accuracy.
3. Data based on characterization results, not tested in production.



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