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STM32G473MB bảng dữ liệu(PDF) 141 Page - STMicroelectronics

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Giải thích chi tiết về linh kiện  Arm® Cortex®-M4 32-bit MCUFPU, up to 512 KB Flash, 170 MHz / 213 DMIPS, 128 KB SRAM, rich analog, math accelerator
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nhà sản xuất  STMICROELECTRONICS [STMicroelectronics]
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STM32G473MB bảng dữ liệu(HTML) 141 Page - STMicroelectronics

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STM32G473xB STM32G473xC STM32G473xE
Electrical characteristics
194
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. Evaluated by characterization – Not tested in production.
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 64. ADC accuracy - limited test conditions 2(1)(2)(3) (continued)
Sym-
bol
Parameter
Conditions(4)
Min
Typ
Max Unit



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