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STM32G474CB 데이터시트(PDF) 149 Page - STMicroelectronics

부품명 STM32G474CB
상세설명  Arm® Cortex®-M4 32b MCUFPU, up to 512 KB Flash, 170 MHz / 213 DMIPS, 128 KB SRAM, rich analog, math accelerator, 184ps 12ch Hi-res timer
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제조업체  STMICROELECTRONICS [STMicroelectronics]
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STM32G474CB 데이터시트(HTML) 149 Page - STMicroelectronics

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DS12288 Rev 1
149/232
STM32G474xB STM32G474xC STM32G474xE
Electrical characteristics
201
THD
Total
harmonic
distortion
Single ADC operation ADC clock
frequency ≤ 60 MHz,
VDDA = VREF+ = 3 V, TA =
25 °C
Continuous mode, sampling
rate:
Fast channels@4Msps
Slow channels@2Msps
Single
ended
Fast channel (max speed)
-
-73
-72
dB
Slow channel (max speed)
-
-73
-72
Differential
Fast channel (max speed)
-
-73
-72
Slow channel (max speed)
-
-73
-72
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 71. ADC accuracy - limited test conditions 1(1)(2)(3) (continued)
Symbol Parameter
Conditions(4)
Min Typ Max Unit



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