STM32L151VD datasheet(117/140 Pages) STMICROELECTRONICS

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STM32L151xD STM32L152xD

Electrical characteristics

Doc ID 022027 Rev 6

117/140

6.3.20

DAC electrical specifications

Data guaranteed by design, not tested in production, unless otherwise specified.

Table 67.

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

(2)

Resistive load

DAC output buffer ON

(2)

Capacitive load

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 mV

DNL(1)

Differential non linearity(3)

CL ≤ 50 pF, RL ≥ 5 kΩ

DAC output buffer ON

-1.5

LSB

No RLOAD, 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 RLOAD, 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 RLOAD, CL ≤ 50 pF

DAC output buffer OFF

-±5

±8

Offset1(1)

Offset error at code

0x001(6)

No RLOAD, CL ≤ 50 pF

DAC output buffer OFF

-±1.5

±5

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