SX8722I070LF SEMTECH [Semtech Corporation], SX8722I070LF Datasheet - Page 77

• Manufacturer Part Number: SX8722I070LF
• Description: High gain acquisition for sensor interface
• Manufacturer: SEMTECH [Semtech Corporation]

13.2.2. Differential non-linearity
ACS - Revision 4.2
©2008 Semtech Corp.
DNL: significantly lower than one LSB
ADVANCED COMMUNICATIONS & SENSING
PGA1 off; PGA2 = 10; PGA3 = 10; set_osr = 7; set_nelconv = 3;
Vbat = 5V; Vref = 5V; Vcommon = 0V
-10
10
-2
-4
-6
-8
8
6
4
2
0
0
5
10
-40°C
Vin [mV]
15
20
October 2008
Figure 42. INL over temperature for different gains
25
Figure 43. ADC differential non-linearity
PGA1 off; PGA2 = 10; PGA3 = 10; set_osr = 7; set_nelconv = 3;
VBAT = 5V; Vref = 5V; Vcommon = 0V
-10
10
-2
-4
-6
-8
8
6
4
2
0
0
5
Gain 100
Page 77
25°C
10
Vin [mV]
15
High gain acquisition for sensor interface
20
25
PGA1 = 10; PGA2 off; PGA3 = 10; set_osr = 7; set_nelconv = 3;
Vbat=5V; Vref = 5V; Vcommon = 0V
-10
10
-2
-4
-6
-8
8
6
4
2
0
0
5
10
85°C
Vin [mV]
DATASHEET
www.semtech.com
SX8722
15
20
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