STM32L475VC datasheet(145/193 Pages) STMICROELECTRONICS

Part #	STM32L475VC

Description	Ultra-low-power ARM Cortex-M4 32-bit MCUFPU, 100DMIPS, up to 1MB Flash, 128 KB SRAM, USB OTG FS, analog, audio

PDF	193 Pages

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Manufacturer	STMICROELECTRONICS [STMicroelectronics]

Direct Link	http://www.st.com

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145 / 193 page

DocID027692 Rev 2

145/193

STM32L475xx

Electrical characteristics

181

THD

Total

harmonic

distortion

ADC clock frequency ≤

26 MHz,

1.65 V ≤ VDDA = VREF+ ≤

3.6 V,

Voltage scaling Range 2

Single

ended

Fast channel (max speed)

-71

-69

Slow channel (max speed)

-71

-69

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 enable when VDDA < 2.4 V (BOOSTEN = 1 in the SYSCFG_CFGR1 when

VDDA < 2.4 V). It is disable when VDDA ≥ 2.4 V. No oversampling.

Table 69. ADC accuracy - limited test conditions 4(1)(2)(3) (continued)

Sym-

bol

Parameter

Conditions(4)

Min Typ Max Unit

STM32L475VC Datasheet(PDF) 145 Page - STMicroelectronics

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