STM32F302X6 datasheet(107/139 Pages) STMICROELECTRONICS

Part #	STM32F302X6

Description	Arm® Cortex®-M4 32-bit MCUFPU, up to 64 KB Flash, 16 KB SRAM, ADC, DAC, USB, CAN, COMP, Op-Amp, 2.0 - 3.6 V

PDF	139 Pages

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Manufacturer	STMICROELECTRONICS [STMicroelectronics]

Direct Link	http://www.st.com

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107 / 139 page

DS9896 Rev 8

107/139

STM32F302x6 STM32F302x8

Electrical characteristics

117

SNR(4)

Signal-to-

noise ratio

ADC clock freq.

≤ 72 MHz

Sampling freq

≤ 5 Msps

VDDA = 3.3 V

25°C

Single ended

Fast channel 5.1 Ms

Slow channel 4.8 Ms

Differential

Fast channel 5.1 Ms

Slow channel 4.8 Ms

THD(4)

Total

harmonic

distortion

Single ended

Fast channel 5.1 Ms

-80

Slow channel 4.8 Ms

-78

-77

Differential

Fast channel 5.1 Ms

-83

-82

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 injection current within the limits specified for IINJ(PIN) and ΣIINJ(PIN) in Section 6.3.14 does not affect the ADC

accuracy.

3. Guaranteed by characterization results.

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

Table 68. ADC accuracy - limited test conditions(1)(2) (continued)

Symbol Parameter

Conditions

Min

(3)

Typ

Max

(3)

Unit

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