STM32F091VB 查看數據表（PDF） - STMicroelectronics

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STM32F091VB

ARM®-based 32-bit MCU, up to 256 KB Flash, CAN, 12 timers, ADC, DAC, and comm. interfaces, 2.0 - 3.6V

STMicroelectronics 

STM32F091xB STM32F091xC

Electrical characteristics

6.3.17 DAC electrical specifications

Table 60. DAC characteristics

Symbol

Parameter

Min Typ

Max

Unit

Comments

VDDA

Analog supply voltage for

DAC ON

2.4

-

3.6

V

-

RLOAD(1)

Resistive load with buffer

ON

RO(1)

Impedance output with

buffer OFF

5

-

25

-

-

-

-

kΩ Load connected to VSSA

-

kΩ Load connected to VDDA

When the buffer is OFF, the

15

kΩ

Minimum resistive load between

DAC_OUT and VSS to have a

1% accuracy is 1.5 MΩ

CLOAD(1) Capacitive load

-

-

Maximum capacitive load at

50

pF DAC_OUT pin (when the buffer

is ON).

DAC_OUT Lower DAC_OUT voltage

min(1) with buffer ON

DAC_OUT Higher DAC_OUT voltage

max(1) with buffer ON

DAC_OUT Lower DAC_OUT voltage

min(1) with buffer OFF

DAC_OUT Higher DAC_OUT voltage

max(1) with buffer OFF

It gives the maximum output

0.2

-

-

V excursion of the DAC.

It corresponds to 12-bit input

code (0x0E0) to (0xF1C) at

-

-

VDDA – 0.2

V

VDDA = 3.6 V and (0x155) and

(0xEAB) at VDDA = 2.4 V

-

0.5

-

mV

It gives the maximum output

excursion of the DAC.

-

- VDDA – 1LSB V

IDDA(1)

DAC DC current

consumption in quiescent

mode(2)

-

-

-

-

600

µA

With no load, middle code

(0x800) on the input

700

µA

With no load, worst code

(0xF1C) on the input

DNL(3)

Differential non linearity

Difference between two

consecutive code-1LSB)

-

-

-

-

Integral non linearity

(difference between

-

-

INL(3)

measured value at Code i

and the value at Code i on a

line drawn between Code 0

-

-

and last Code 1023)

Offset error

-

-

(difference between

Offset(3) measured value at Code

-

-

(0x800) and the ideal value

= VDDA/2)

-

-

±0.5

LSB

Given for the DAC in 10-bit

configuration

±2

LSB

Given for the DAC in 12-bit

configuration

±1

LSB

Given for the DAC in 10-bit

configuration

±4

LSB

Given for the DAC in 12-bit

configuration

±10

mV

-

±3

LSB

Given for the DAC in 10-bit at

VDDA = 3.6 V

±12

LSB

Given for the DAC in 12-bit at

VDDA = 3.6 V

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