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STM32L552VCU6PTR Scheda tecnica(PDF) 246 Page - STMicroelectronics

Il numero della parte STM32L552VCU6PTR
Spiegazioni elettronici  Ultra-low-power Arm® Cortex®-M33 32-bit MCUTrustZone®FPU, 165 DMIPS, up to 512 KB Flash memory, 256 KB SRAM, SMPS
PDF  340 Pages
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Produttore elettronici  STMICROELECTRONICS [STMicroelectronics]
Homepage  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

STM32L552VCU6PTR Scheda tecnica(HTML) 246 Page - STMicroelectronics

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Electrical characteristics
STM32L552xx
246/340
DS12737 Rev 6
THD
Total
harmonic
distortion
ADC clock frequency ≤
80 MHz,
Sampling rate ≤ 5.33 Msps,
2 V ≤ VDDA
(ADC clock frequency ≤
58 MHz for LQFP144)
Single
ended
Fast channel (max speed)
-
-74
-65
dB
Slow channel (max speed)
-
-74
-67
Differential
Fast channel (max speed)
-
-79
-70
Slow channel (max speed)
-
-79
-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 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 112. ADC accuracy - limited test conditions 2(1)(2)(3) (continued)
Sym-
bol
Parameter
Conditions(4)
Min Typ Max Unit



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