sx8724s Semtech Corporation, sx8724s Datasheet - Page 55

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sx8724s

Manufacturer Part Number
sx8724s
Description
Zoomingadc For Sensing Data Acquisition
Manufacturer
Semtech Corporation
Datasheet
Revision 1.0
© Semtech
11.3.1.2 Gain 10
11.3.1.3 Gain 100
V
Resolution=16bits.
ADVANCED COMMUNICATIONS & SENSING
V
BATT
BATT
-10
-10
-10
-20
-30
-40
-50
10
10
-2
-4
-6
-8
50
40
30
20
10
-2
-4
-6
-8
8
6
4
2
0
8
6
4
2
0
0
-0.2
-0.02
-0.2
=5V; V
=5V; V
INL Gain 10 @ 85°C
INL Gain 10 @ -40°C
INL Gain 100 @ -40°C
-0.015
-0.15
-0.15
REF
REF
=V
=V
-0.01
-0.1
BATT
-0.1
BATT
Figure 39. INL -40°C
Figure 41. INL 85°C
; ADC, PGA2 and PGA3 enabled; GD
; ADC and PGA3 enabled; GD
-0.005
-0.05
February 2011
-0.05
V
V
V
IN
IN
IN
0
0
0
[V]
[V]
[V]
0.005
0.05
0.05
0.01
0.1
0.1
0.015
0.15
0.15
3
=10; OSR=1024; Nelconv=8; fs=250kHz; Resolution=16bits.
Page 55
0.02
0.2
0.2
2
=10; GD
-10
-10
-10
-20
-30
-40
-50
10
10
50
40
30
20
10
-2
-4
-6
-8
-2
-4
-6
-8
8
6
4
2
0
8
6
4
2
0
0
-0.02
-0.2
-0.2
ZoomingADC for sensing data acquisition
3
=10; OSR=1024; Nelconv=8; fs=250kHz;
INL Gain 10 @ 25°C
INL Gain 10 @ 125°C
INL Gain 100 @ 25°C
-0.015
-0.15
-0.15
-0.01
-0.1
-0.1
Figure 42. INL 125°C
Figure 40. INL 25°C
-0.005
-0.05
-0.05
V
V
V
IN
IN
IN
0
0
0
[V]
[V]
[V]
0.005
0.05
0.05
SX8724S
www.semtech.com
DATASHEET
0.01
0.1
0.1
0.015
0.15
0.15
0.02
0.2
0.2

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