Datasheet

ManualsBrandsST ManualsEmbedded Processors & ControllersMicrocontroller 32bit 256KB LQFP
181
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183
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185
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187
188
189
190
Electrical characteristics STM32L476xx
188/270 DS10198 Rev 8
THD
To t a l  
harmonic 
distortion
ADC clock frequency  
26 MHz,
1.65 V  V
DDA
 = VREF+  
3.6 V,
Voltage scaling Range 2
Single 
ended
Fast channel (max speed) - -71 -69
dB
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 V
DDA
 < 2.4 V (BOOSTEN = 1 in the SYSCFG_CFGR1 when 
V
DDA
 < 2.4 V). It is disable when V
DDA
  2.4 V. No oversampling.
Table 81. ADC accuracy - limited test conditions 4
(1)(2)(3)
 (continued)
Sym-
bol
Parameter Conditions
(4)
Min Typ Max Unit
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