SX8723 Ver la hoja de datos (PDF) - Semtech Corporation
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SX8723 Datasheet PDF : 53 Pages
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SX8723
ZoomingADC™ for Pressure and Temperature Sensing
ADVANCED COMMUNICATIONS & SENSING
Electrical Characteristics
All values are valid within the operating conditions unless otherwise specified.
Parameter
Symbol Comments / Conditions
Min
Operating conditions
Power supply
VBATT
2.4
Operating temperature
TOP
-40
Current consumption
Active current, @ 30 °C, 5.5 V
Active current, @ 30 °C, 3.3 V
Sleep current
I OP
I OP
Isleep
16 b @ 250 Sample/s
ADC, fs = 125 kHz
16 b @ 1 kSample/s
PGA3 + ADC, fs= 500 kHz
16 b + gain 1000 @ 1 kSample/s
PGA3,2,1 + ADC, fs = 500kHz
16 b @ 250 Sample/s
PGA3 + ADC, fs = 125 kHz
16 b @ 1 kSample/s
PGA3 + ADC, fs= 500 kHz
16 b + gain 1000 @ 1 kSample/s
PGA3,2,1 + ADC, fs = 500kHz
@ 30 °C
up to 85 °C
@125 °C
Time base
Max ADC over-sampling frequency
Min ADC over-sampling frequency
Digital I/O
FSmax
FSmin
@ 25 °C
@ 25 °C
450
56.25
Input logic high
VIH
0.7
Input logic low
VIL
Output logic high
VOH
IOH < 4mA
Output logic low
VOL
IOL < 4mA
0.4
VREF: Internal Bandgap Reference
Absolute output voltage
Variation over Temperature
Total Output Noise
VBATT > 3V
VBATT > 3V, ref to 25°C
VBATT > 3V, rms, broadband
1.19
-1
Typ
Max
Unit
5.5
V
125
°C
µA
250
300
700
800
1000
1200
µA
150
300
850
75
200
nA
100
150
500
62.5
550
kHz
68.75
kHz
0.3
VBATT-0.4
VBATT
VBATT
V
V
1.22
1.25
V
+1
%
1
mV
V1.5 © 2007 Semtech Corp.
5
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