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32G474 Datasheet(PDF) 148 Page - STMicroelectronics

Part # 32G474
Description  Arm® Cortex®-M4 32-bit MCUFPU, 170 MHz / 213 DMIPS, 128 KB SRAM, rich analog, math acc, 184 ps 12 chan Hi-res timer
PDF  236 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

32G474 Datasheet(HTML) 148 Page - STMicroelectronics

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Electrical characteristics
STM32G474xB STM32G474xC STM32G474xE
148/236
DS12288 Rev 4
THD
Total
harmonic
distortion
Single ADC operation
ADC clock frequency
≤ 60 MHz, 2 V ≤ VDDA
Continuous mode, sampling
rate:
Fast channels@4Msps
Slow channels@2Msps
Single
ended
Fast channel (max speed)
-
-73
-65
dB
Slow channel (max speed)
-
-73
-67
Differential
Fast channel (max speed)
-
-73
-70
Slow channel (max speed)
-
-73
-71
1. Guaranteed by design.
2. ADC DC accuracy values are measured after internal calibration.
3. 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.
4. The I/O analog switch voltage booster is enabled when VDDA < 2.4 V (BOOSTEN = 1 in the SYSCFG_CFGR1 when
VDDA < 2.4 V). It is disabled when VDDA ≥ 2.4 V. No oversampling.
Table 69. ADC accuracy - limited test conditions 2(1)(2)(3) (continued)
Sym-
bol
Parameter
Conditions(4)
Min
Typ
Max Unit



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