STM32F303VC datasheet(112/133 Pages) STMICROELECTRONICS

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Electrical characteristics

STM32F302xx/STM32F303xx

112/133

Doc ID 023353 Rev 5

6.3.19

DAC electrical specifications

Table 70.

DAC characteristics

Symbol

Parameter

Min

Typ

Max

Unit

Comments

VDDA

Analog supply voltage for

DAC ON

2.4

3.6

RLOAD

(1)

Resistive load with buffer ON

(1)

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

(1)

Capacitive load

Maximum capacitive load at

DAC_OUT pin (when the buffer is

ON).

DAC_OUT

min(1)

Lower DAC_OUT voltage

with buffer ON

0.2

It gives the maximum output

excursion of the DAC.

It corresponds to 12-bit input code

(0x0E0) to (0xF1C) at VDDA = 3.6 V

and (0x155) and (0xEAB) at VDDA =

2.4 V

DAC_OUT

max(1)

Higher DAC_OUT voltage

with buffer ON

VDDA – 0.2

DAC_OUT

min(1)

Lower DAC_OUT voltage

with buffer OFF

-0.5

It gives the maximum output

excursion of the DAC.

DAC_OUT

max(1)

Higher DAC_OUT voltage

with buffer OFF

VDDA – 1LSB

IDDA

(3)

DAC DC current

consumption in quiescent

mode (Standby mode)(2)

380

µA

With no load, middle code (0x800) on

the input

480

µA

With no load, worst code (0xF1C) on

the input

DNL(3)

Differential non linearity

Difference between two

consecutive code-1LSB)

±0.5

LSB Given for a 10-bit input code

±2

LSB Given for a 12-bit input code

INL(3)

Integral non linearity

(difference between

measured value at Code i

and the value at Code i on a

line drawn between Code 0

and last Code 1023)

±1

LSB Given for a 10-bit input code

±4

LSB Given for a 12-bit input code

Offset(3)

Offset error

(difference between

measured value at Code

(0x800) and the ideal value =

VDDA/2)

±10

±3

LSB

Given for a 10-bit input code at VDDA

= 3.6 V

±12

LSB

Given for a 12-bit input code at VDDA

= 3.6 V

Gain

error(3)

Gain error

±0.5

Given for a 12-bit input code

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