STM32F103XC datasheet(104/118 Pages) STMICROELECTRONICS

104 / 118 page

Electrical characteristics

STM32F103xC, STM32F103xD, STM32F103xE

104/118

5.3.19

DAC electrical specifications

Table 61.

DAC characteristics

Symbol

Parameter

Min

Typ

Max(1)

Unit

Comments

VDD33A

Analog supply voltage

2.4

3.6

VDD18D

Digital supply voltage

1.6

1.8

VREF+

Reference supply voltage

2.4

3.6

VREF+ must always be below

VDD33A

VSSA

Ground

Resistive load with buffer ON

Minimum resistive load between

DAC_OUT and VSSA

Capacitive load

Maximum capacitive load at

DAC_OUT pin.

DAC_OUT

min

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 (0E0)h to (F1C)h @ VREF+

= 3.6 V and (155)h and (EAB)h

@ VREF+ = 2.4 V

DAC_OUT

max

Higher DAC_OUT voltage with

buffer ON

VREF+– 0.2 V

IDD

DAC DC current consumption

in quiescent mode (Standby

mode) (in VDD18D+VDD33A+

VREF+)

425

600

µA

With no load, middle code

(800)H on the inputs

500

700

µA

With no load, worst code

(F1C)H @ VREF+ = 3.6 V in

terms of DC consumption on the

inputs

IDDQ

DAC DC current consumption

in Power Down mode (in

VDD18D+VDD33A+VREF+)

350

With no load.

DAC DC current consumption

in Power Down mode (in

VDD33A+VREF+)

200

DNL

Differential non linearity

(Difference between two

consecutive code-1LSB)

±0.5

LSB

Given for the DAC in 10-bit

configuration (B1=B0=0 always)

INL

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 the DAC in 10-bit

configuration (B1=B0=0 always)

Offset

Offset error

(difference between measured

value at Code (800)H and the

ideal value = VREF+/2

±10

Given for the DAC in 10-bit

configuration (B1=B0=0 always)

±3

LSB

Given for the DAC in 10-bit @

VREF+ = 3.6 V

Gain error

±0.5

Given for the DAC in 10-bit

configuration (B1=B0=0 always)

STM32F103XC Datasheet(PDF) 104 Page - STMicroelectronics

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