STM32F446VC datasheet(149/202 Pages) STMICROELECTRONICS

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STM32F446xC/E

Electrical characteristics

175

VSSA

Ground

RLOAD(2) Resistive load

DAC

output

buffer ON

Connected

to VSSA

Connected

to VDDA

RO(2)

Impedance output

with buffer OFF

When the buffer is OFF, the

Minimum resistive load

between DAC_OUT and VSS

to have a 1% accuracy is

1.5 M

CLOAD(2) Capacitive load

Maximum capacitive load at

DAC_OUT pin (when the

buffer is ON).

DAC_OUT

min(2)

Lower DAC_OUT

voltage with buffer

-0.2

It gives the maximum output

excursion of the DAC.

It corresponds to 12-bit input

code (0x0E0) to (0xF1C) at

VREF+ = 3.6 V and (0x1C7) to

(0xE38) at VREF+ = 1.7 V

DAC_OUT

max(2)

Higher DAC_OUT

voltage with buffer

VDDA

– 0.2

DAC_OUT

min(2)

Lower DAC_OUT

voltage with buffer

OFF

0.5

It gives the maximum output

excursion of the DAC.

DAC_OUT

max(2)

Higher DAC_OUT

voltage with buffer

OFF

VREF

+ –

1LSB

IVREF+(4)

DAC DC VREF

current

consumption in

quiescent mode

(Standby mode)

170

240

µA

With no load, worst code

(0x800) at VREF+ = 3.6 V in

terms of DC consumption on

the inputs

With no load, worst code

(0xF1C) at VREF+ = 3.6 V in

terms of DC consumption on

the inputs

IDDA(4)

DAC DC VDDA

current

consumption in

quiescent mode(3)

280

380

µA

With no load, middle code

(0x800) on the inputs

475

625

µA

With no load, worst code

(0xF1C) at VREF+ = 3.6 V in

terms of DC consumption on

the inputs

DNL(4)

Differential non

linearity Difference

between two

consecutive code-

1LSB)

±0.5

LSB

Given for the DAC in 10-bit

configuration.

±2

LSB

Given for the DAC in 12-bit

configuration.

Table 85. DAC characteristics (continued)

Symbol

Parameter

Conditions

Min

Typ

Max Unit

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