Datasheet

ManualsBrandsST ManualsEmbedded Processors & ControllersMicrocontroller 32bit 256KB LQFP

181

182

183

184

185

186

187

188

189

190

Electrical characteristics STM32L476xx

186/270 DS10198 Rev 8

THD

To t a l

harmonic

distortion

ADC clock frequency 

80 MHz,

Sampling rate  5.33 Msps,

1.65 V  V

DDA

= V

REF+



3.6 V,

Voltage scaling Range 1

Single

ended

Fast channel (max speed) - -69 -67

Slow channel (max speed) - -71 -67

Differential

Fast channel (max speed) - -72 -71

Slow channel (max speed) - -72 -71

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 V

DDA

< 2.4 V (BOOSTEN = 1 in the SYSCFG_CFGR1 when

DDA

< 2.4 V). It is disable when V

DDA

 2.4 V. No oversampling.

Table 80. ADC accuracy - limited test conditions 3

(1)(2)(3)

(continued)

Sym-

bol

Parameter Conditions

(4)

Min Typ Max Unit

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