STM32F091 datasheet(90/127 Pages) STMICROELECTRONICS

部件名	STM32F091

功能描述	ARM-based 32-bit MCU, up to 256 KB Flash, CAN, 12 timers, ADC, DAC & comm. interfaces, 2.0 - 3.6V

PDF	127 Pages

Scroll/Zoom	100%

制造商	STMICROELECTRONICS [STMicroelectronics]

网页	http://www.st.com

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90 / 127 page

Electrical characteristics

STM32F091xB STM32F091xC

90/127

DocID026284 Rev 3

tSETTLING(3)

Settling time (full scale: for a

10-bit input code transition

between the lowest and the

highest input codes when

DAC_OUT reaches final

value ±1LSB

-3

µs

CLOAD ≤ 50 pF, RLOAD ≥ 5 kΩ

Update

rate(3)

Max frequency for a correct

DAC_OUT change when

small variation in the input

code (from code i to i+1LSB)

MS/s CLOAD ≤ 50 pF, RLOAD ≥ 5 kΩ

tWAKEUP(3)

Wakeup time from off state

(Setting the ENx bit in the

DAC Control register)

-6.5

µs

CLOAD ≤ 50 pF, RLOAD ≥ 5 kΩ

input code between lowest and

highest possible ones.

PSRR+ (1)

Power supply rejection ratio

(to VDDA) (static DC

measurement

–67

–40

No RLOAD, CLOAD = 50 pF

1. Guaranteed by design, not tested in production.

2. The DAC is in “quiescent mode” when it keeps the value steady on the output so no dynamic consumption is involved.

3. Data based on characterization results, not tested in production.

Table 60. DAC characteristics (continued)

Symbol

Parameter

Min

Typ

Max

Unit

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STM32F091 数据表(PDF) 90 Page - STMicroelectronics

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