STM32F301R6Y6TR 查看數據表（PDF） - STMicroelectronics

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STM32F301R6Y6TR

ARM® Cortex®-M4 32-bit MCU+FPU, up to 64 KB Flash, 16 KB SRAM, ADC, DAC, COMP, Op-Amp, 2.0 – 3.6 V

STMicroelectronics 

Electrical characteristics

STM32F301x6 STM32F301x8

Table 66. ADC accuracy - limited test conditions(1)(2) (continued)

Symbol Parameter

Conditions

Min

(3)

Typ

Max

(3)

Unit

Fast channel 5.1 Ms 66 67 -

Single ended

SNR(4)

Signal-to-

noise ratio

ADC clock freq. ≤ 72 MHz

Slow channel 4.8 Ms 66

Fast channel 5.1 Ms 69

Differential

67

70

-

-

Sampling freq ≤ 5 Msps

VDDA = 3.3 V

Slow channel 4.8 Ms 69 70 -

dB

Fast channel 5.1 Ms - -80 -80

Total

THD(4) harmonic

25°C

Single ended

Slow channel 4.8 Ms - -78 -77

distortion

Fast channel 5.1 Ms - -83 -82

Differential

Slow channel 4.8 Ms - -81 -80

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

accuracy.

injection

current

within

the

limits

specified

for

IINJ(PIN)

and

ΣIINJ(PIN)

in

Section

6.3.14

does

not

affect

the

ADC

3. Guaranteed by characterization results.

4. Value measured with a –0.5dB Full Scale 50kHz sine wave input signal.

104/135

DocID025146 Rev 6

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