STM32L052X6 datasheet(97/136 Pages) STMICROELECTRONICS

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DocID025936 Rev 6

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STM32L052x6 STM32L052x8



110

6.3.16

DAC electrical specifications

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

Table 66. 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 (2)

Current consumption on VDDA

supply,



VDDA = 3.3 V

No load, middle code

(0x800)

-210

320

µA

No load, worst code

(0xF1C)

-320

520

RL(3)

Resistive load

DAC output buffer on



CL(3)

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

DNL(2)

Differential non linearity(4)

CL  50 pF, RL  5 k

DAC output buffer on

-1.5

LSB

No RLOAD, CL  50 pF

DAC output buffer off

-1.5

INL(2)

Integral non linearity(5)

CL  50 pF, RL  5 k

DAC output buffer on

-2

No RLOAD, CL  50 pF

DAC output buffer off

-2

Offset(2)

Offset error at code 0x800 (6)

CL  50 pF, RL  5 k

DAC output buffer on

-±10

±25

No RLOAD, CL  50 pF

DAC output buffer off

-±5

±8

Offset1(2)

Offset error at code 0x001(7)

No RLOAD, CL  50 pF

DAC output buffer off

-±1.5

±5

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