STM32MP151A datasheet(197/245 Pages) STMICROELECTRONICS

197 / 245 page

DS12500 Rev 1

197/245

STM32MP151A

Electrical characteristics

228

PSRR

VDDA supply rejection

ratio

Normal mode

DAC output buffer ON

CL ≤ 50 pF, RL = 5 kΩ DC

--80

tSAMP

Sampling time in Sample

and Hold mode

CSH=100nF

(Code transition between

the lowest input code and

the highest input code

when DAC_OUT reaches

final value ± 1LSB)

DACMCR.MODEx[2:0] =

100/101

(BUFFER ON)

-0.7

DACMCR.MODEx[2:0] = 110

(BUFFER OFF)

11.5

DACMCR.MODEx[2:0] = 111

(INTERNAL BUFFER OFF)

-0.3

CIint

Internal sample and hold

capacitor

2.2

µs

Voffset

Middle code offset for 1

trim code step

VREF+ = 3.6 V

450

µV

VREF+ = 1.8 V

213

IDDA(DAC)

DAC quiescent

consumption from VDDA

DAC output

buffer ON

No load, middle

code (0x800)

-TBD

µA

No load, worst

code (0xF1C)

-TBD

DAC output

buffer OFF

No load,

middle/worst

code (0x800)

-TBD

Sample and Hold mode,

CSH = 100 nF

-TBD

IDDV(DAC)

DAC consumption from

VREF+

DAC output

buffer ON

No load, middle

code (0x800)

-TBD

No load, worst

code (0xF1C)

-TBD

DAC output

buffer OFF

No load,

middle/worst

code (0x800)

-TBD

Sample and Hold mode, Buffer

ON, CSH = 100 nF (worst code)

-TBD

Sample and Hold mode, Buffer

OFF, CSH = 100 nF (worst code)

-TBD

1. Guaranteed by design.

2. Since VREF+ must always be ≤ VDDA, maximum VDAC_OUT = minimum value between Max(VREF+) and Max(VDDA-0.2)

3. In buffered mode, the output can overshoot above the final value for low input code (starting from the minimum value).

Table 75. DAC characteristics(1) (continued)

Symbol

Parameter

Conditions

Min

Typ

Max

Unit

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