STM32WLE4JC datasheet(122/146 Pages) STMICROELECTRONICS

部件名	STM32WLE4JC

功能描述	Multiprotocol LPWAN 32-bit Arm® Cortex®-M4 MCUs, LoRa®, (G)FSK, (G)MSK, BPSK, up to 256KB Flash, 64KB SRAM

PDF	146 Pages

Scroll/Zoom	100%

制造商	STMICROELECTRONICS [STMicroelectronics]

网页	http://www.st.com

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122 / 146 page

Electrical characteristics

STM32WLE5/E4xx

122/146

DS13105 Rev 9

Figure 25. VREFOUT_TEMP when VRS = 1

5.3.23

Digital-to-analog converter characteristics

MSv62523V2

2.475

2.48

2.485

2.49

2.495

2.5

2.505

2.51

-40

-20

100

120

°C

Mean

Min

Max

Table 84. DAC characteristics(1)

Symbol

Parameter

Conditions

Min

Typ

Max

Unit

VDDA

Analog supply voltage for

DAC ON

DAC output buffer OFF, DAC_OUT

pin not connected (internal

connection only)

1.71

3.6

Other modes

1.80

VREF+

Positive reference voltage

DAC output buffer OFF, DAC_OUT

pin not connected (internal

connection only)

1.71

VDDA

Other modes

1.80

Resistive load

DAC output

buffer ON

Connected to VSS

kΩ

Connected to VDDA

Output impedance

DAC output buffer OFF

9.6

11.7

13.8

RBON

Output impedance sample-

and-hold mode, output

buffer ON

VDD = 2.7 V

VDD = 2.0 V

3.5

RBOFF

Output impedance sample

and hold mode, output

buffer OFF

VDD = 2.7 V

16.5

VDD = 2.0 V

18.0

Capacitive load

DAC output buffer ON

CSH

Sample-and-hold mode

0.1

µF

VDAC_OUT

Voltage on DAC_OUT

output

DAC output buffer ON

0.2

VREF+

- 0.2

DAC output buffer OFF

VREF+

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