STM32L462CEU6 datasheet(153/198 Pages) STMICROELECTRONICS

部件名	STM32L462CEU6

功能描述	Ultra-low-power ARM® Cortex®-M4 32-bit MCUFPU, 100DMIPS, 512KB Flash, 160KB SRAM, analog, audio, AES

PDF	198 Pages

Scroll/Zoom	100%

制造商	STMICROELECTRONICS [STMicroelectronics]

网页	http://www.st.com

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153 / 198 page

DocID029969 Rev 1

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STM32L462CE STM32L462RE STM32L462VE

Electrical characteristics

174

SINAD

Signal-to-noise

and distortion

ratio

DAC output buffer ON

CL ≤ 50 pF, RL ≥ 5 kΩ, 1 kHz

-70.4

DAC output buffer OFF

CL ≤ 50 pF, no RL, 1 kHz

-71-

ENOB

Effective

number of bits

DAC output buffer ON

CL ≤ 50 pF, RL ≥ 5 kΩ, 1 kHz

-11.4-

bits

DAC output buffer OFF

CL ≤ 50 pF, no RL, 1 kHz

-11.5-

1. Guaranteed by design.

2. Difference between two consecutive codes - 1 LSB.

3. Difference between measured value at Code i and the value at Code i on a line drawn between Code 0 and last Code 4095.

4. Difference between the value measured at Code (0x001) and the ideal value.

5. Difference between ideal slope of the transfer function and measured slope computed from code 0x000 and 0xFFF when

buffer is OFF, and from code giving 0.2 V and (VREF+ – 0.2) V when buffer is ON.

Table 70. DAC accuracy(1) (continued)

Symbol

Parameter

Conditions

Min

Typ

Max

Unit

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