STM32L15XCC datasheet(103/136 Pages) STMICROELECTRONICS

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STM32L151xC STM32L152xC

Electrical characteristics

109

6.3.18

DAC electrical specifications

Data guaranteed by design, unless otherwise specified.

Table 59. DAC characteristics

Symbol

Parameter

Conditions

Min

Typ

Max

Unit

VDDA

Analog supply voltage

1.8

3.6

VREF+

Reference supply

voltage

VREF+ must always be below

VDDA

1.8

3.6

VREF-

Lower reference voltage

VSSA

IDDVREF+(1)

Current consumption on

VREF+ supply

VREF+ = 3.3 V

No load, middle code (0x800)

130

220

µA

No load, worst code (0x000)

220

350

IDDA(1)

Current consumption on

VDDA supply

VDDA = 3.3 V

No load, middle code (0x800)

210

320

No load, worst code (0xF1C)

320

520

Resistive load

DAC output

buffer ON

Connected to

VSSA

Conected to

VDDA

CL(2)

Capacitive load

DAC output buffer ON

Output impedance

DAC output buffer OFF

VDAC_OUT

Voltage on DAC_OUT

output

DAC output buffer ON

0.2

VDDA – 0.2

DAC output buffer OFF

0.5

VREF+ –

1LSB

DNL(1)

Differential non

linearity(3)

CL ≤ 50 pF, RL ≥ 5 kΩ

DAC output buffer ON

-1.5

LSB

No RL, CL ≤ 50 pF

DAC output buffer OFF

-1.5

INL(1)

Integral non linearity(4)

CL ≤ 50 pF, RL ≥ 5 kΩ

DAC output buffer ON

-2

No RL, CL ≤ 50 pF

DAC output buffer OFF

-2

Offset(1)

Offset error at code

0x800 (5)

CL ≤ 50 pF, RL ≥ 5 kΩ

DAC output buffer ON

-±10

±25

No RL, CL ≤ 50 pF

DAC output buffer OFF

-±5

±8

Offset1(1)

Offset error at code

0x001(6)

No RL, CL ≤ 50 pF

DAC output buffer OFF

-±1.5

±5

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