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STM32U5A5QJ Datasheet(PDF) 286 Page - STMicroelectronics |
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STM32U5A5QJ Datasheet(HTML) 286 Page - STMicroelectronics |
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286 / 382 page  Electrical characteristics STM32U5Axxx 286/382 DS13543 Rev 1 See Figure 37: ADC accuracy characteristics, Figure 38: Typical connection diagram when using the ADC with FT/TT pins featuring analog switch function, and General PCB design guidelines. 5.3.20 Temperature sensor characteristics 6 bits (cont’d) 2200 146 7.5 12.5 3300 207 4700 286 12.5 19.5 6800 404 19.5 39.5 10000 584 39.5 22000 1250 79.5 79.5 33000 1853 814.5 47000 2607 814.5 1. Specified by design. Not tested in production. 2. BOOSTEN and ANASWVDD configured properly according to VDD and VDDA values. 3. Values without external capacitor. Table 100. Maximum RAIN for 12-bit ADC4(1)(2)(3) (continued) Resolution RAIN max (Ω) Sampling time [ns] Sampling cycle at 35 MHz Sampling cycle at 55 MHz Table 101. 12-bit ADC4 accuracy(1)(2) (3) 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 1. Evaluated by characterization for BGA packages. Not tested in production. The values for LQFP packages may differ. 2. ADC DC accuracy values are measured after the internal calibration. 3. The I/O analog switch voltage booster is enabled when VDDA < 2.4 V (BOOSTEN = 1 in SYSCFG_CFGR1 when VDDA < 2.4 V). This switch is disabled when VDDA ≥ 2.4 V. Resolution = 12 bits, no oversampling. Table 102. Temperature sensor characteristics Symbol Parameter Min Typ Max Unit TL(1) VSENSE linearity with temperature - - 1.3 °C Avg_Slope(1) Average slope 2 2.5 3.0 mV/°C |
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