SX8723 datasheet(5/53 Pages) SEMTECH

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ADVANCED COMMUNICATIONS & SENSING

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SX8723

ZoomingADC™ for Pressure and Temperature Sensing

Electrical Characteristics

All values are valid within the operating conditions unless otherwise specified.

Parameter

Symbol

Comments / Conditions

Min

Typ

Max

Unit

Operating conditions

Power supply

VBATT

2.4

5.5

Operating temperature

TOP

-40

125

°C

Current consumption

16 b @ 250 Sample/s

ADC, fs = 125 kHz

250

300

16 b @ 1 kSample/s

PGA3 + ADC, fs= 500 kHz

700

800

Active current, @ 30 °C, 5.5 V

I OP

16 b + gain 1000 @ 1 kSample/s

PGA3,2,1 + ADC, fs = 500kHz

1000

1200

µA

16 b @ 250 Sample/s

PGA3 + ADC, fs = 125 kHz

150

16 b @ 1 kSample/s

PGA3 + ADC, fs= 500 kHz

300

Active current, @ 30 °C, 3.3 V

I OP

16 b + gain 1000 @ 1 kSample/s

PGA3,2,1 + ADC, fs = 500kHz

850

µA

@ 30 °C

200

up to 85 °C

100

Sleep current

Isleep

@125 °C

150

Time base

Max ADC over-sampling frequency

FSmax

@ 25 °C

450

500

550

kHz

Min ADC over-sampling frequency

FSmin

@ 25 °C

56.25

62.5

68.75

kHz

Digital I/O

Input logic high

VIH

0.7

VBATT

Input logic low

VIL

0.3

VBATT

Output logic high

VOH

IOH < 4mA

VBATT-0.4

Output logic low

VOL

IOL < 4mA

0.4

VREF: Internal Bandgap Reference

Absolute output voltage

VBATT > 3V

1.19

1.22

1.25

Variation over Temperature

VBATT > 3V, ref to 25°C

-1

Total Output Noise

VBATT > 3V, rms, broadband

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