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STM32469VG Datasheet(PDF) 159 Page - STMicroelectronics

Part # STM32469VG
Description  Arm® Cortex®-M4 32b MCUFPU, 225DMIPS, up to 2MB Flash/3844KB RAM, USB OTG HS/FS, Ethernet, FMC, dual Quad-SPI, Graphical accelerator, Camera IF, LCD-TFT & MIPI DSI
PDF  220 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

STM32469VG Datasheet(HTML) 159 Page - STMicroelectronics

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DS11189 Rev 7
159/220
STM32F469xx
Electrical characteristics
191
Note:
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 IINJ(PIN) in
Section 5.3.20 does not affect the ADC accuracy.
Table 80. ADC dynamic accuracy at fADC = 18 MHz - limited test conditions(1)
Symbol
Parameter
Test conditions
Min
Typ
Max
Unit
ENOB
Effective number of bits
fADC =18 MHz
VDDA = VREF+= 1.7 V
Input Frequency = 20 KHz
Temperature = 25 °C
10.3
10.4
-
bits
SINAD
Signal-to-noise and distortion ratio
64
64.2
-
dB
SNR
Signal-to-noise ratio
64
65
-
THD
Total harmonic distortion
− 67
− 72
-
1. Guaranteed based on test during characterization.
Table 81. ADC dynamic accuracy at fADC = 36 MHz - limited test conditions(1)
Symbol
Parameter
Test conditions
Min
Typ
Max
Unit
ENOB
Effective number of bits
fADC =36 MHz
VDDA = VREF+ = 3.3 V
Input Frequency = 20 KHz
Temperature = 25 °C
10.6
10.8
-
bits
SINAD
Signal-to noise and distortion ratio
66
67
-
dB
SNR
Signal-to noise ratio
64
68
-
THD
Total harmonic distortion
− 70
− 72
-
1. Guaranteed based on test during characterization.



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