STM32L433CC datasheet(160/225 Pages) STMICROELECTRONICS

部件名	STM32L433CC

功能描述	Ultra-low-power Arm® Cortex®-M4 32-bit MCUFPU, 100DMIPS, up to 256KB Flash, 64KB SRAM, USB FS, LCD, ext. SMPS

PDF	225 Pages

Scroll/Zoom	100%

制造商	STMICROELECTRONICS [STMicroelectronics]

网页	http://www.st.com

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160 / 225 page

Electrical characteristics

STM32L433xx

160/225

DS11449 Rev 5

THD

Total

harmonic

distortion

ADC clock frequency ≤

80 MHz,

Sampling rate ≤ 5.33 Msps,

2 V ≤ VDDA

Single

ended

Fast channel (max speed)

-74

-65

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 79. ADC accuracy - limited test conditions 2(1)(2)(3) (continued)

Sym-

bol

Parameter

Conditions(4)

Min Typ Max Unit

STM32L433CC 数据表(PDF) 160 Page - STMicroelectronics

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