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STM32U385CG Datasheet(PDF) 151 Page - STMicroelectronics

Part # STM32U385CG
Description  Ultra-low-power Arm® Cortex®-M33 32-bit MCUTrustZone®FPU, 144 DMIPS, 1 MB flash memory, 256 KB SRAM, SMPS, crypto
PDF  224 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

STM32U385CG Datasheet(HTML) 151 Page - STMicroelectronics

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Resolution(1)
RAIN max (Ω)(2)
Sampling time [ns]
Sampling cycle at 35
MHz
Sampling cycle at 55
MHz
8 bits
33000
246.5
246.5
2995
47000
4158
6 bits
47
32
1.5
2.5
68
32
100
33
150
35
220
37
330
41
2.5
470
49
6.5
680
61
1000
79
6.5
1500
106
2200
146
11.5
3300
207
11.5
4700
286
23.5
6800
404
23.5
10000
584
46.5
22000
1250
46.5
246.5
33000
1853
246.5
47000
2607
1. The tolerance is 1 LSB
2. The maximum value of RAIN is obtained in a worst-case scenario: channel conversion in scan mode with channel i connected to VREF+
and channel i + 1 connected to VREF-.
Table 97. 12-bit ADC accuracy
ADC DC accuracy values are measured after internal calibration. Resolution = 12 bits, no oversampling.
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.
Evaluated by characterization. Not tested in production.
Symbol
Parameter
Conditions
Min
Typ
Max
Unit
ET
Total unadjusted error
-
-
±3
±7.5
LSB
EO
Offset error
-
-
±2
±5.5
EG
Gain error
-
-
±2
±6.5
ED
Differential linearity error
-
-
-0.9/+1
-0.9/+1.5
EL
Integral linearity error
-
-
±2
±3.5
ENOB
Effective number of bits
-
9.9
10.9
-
bits
SINAD
Signal-to-noise and distortion ratio
-
61.4
67.4
-
dB
SNR
Signal-to-noise ratio
-
61.6
67.5
-
THD
Total harmonic distortion
-
-
-74
-70
STM32U385xx
Electrical characteristics
DS14830 - Rev 2
page 151/224



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