sx8722 Semtech Corporation, sx8722 Datasheet - Page 63

• Manufacturer Part Number: sx8722
• Description: High Gain Acquisition For Sensor Interface
• Manufacturer: Semtech Corporation

Integral non linearity (Cont.)
-10
-10
10
10
-2
-4
-6
-8
-2
-4
-6
-8
8
6
4
2
0
8
6
4
2
0
0
0
0.5
5
PGA1 = 10; PGA2 = 10; PGA3 = 10; set_osr = 7, set_nelconv = 3,
PGA1 = 10; PGA2 = 10; PGA3 off; set_osr = 7; set_nelconv = 3;
VBAT = 5V; Vref = 5V; Vcommon = 0V
Vbat=5V, Vref=5V, Vcommon=0V
INL: Gain = 100
INL: Gain 1000
10
1
- 40 °C
- 40°C
Vin [mV]
Vin [mV]
15
1.5
20
2
2.5
25
-10
-10
10
10
-2
-4
-6
-8
-2
-4
-6
-8
8
6
4
2
0
8
6
4
2
0
0
0
0.5
5
PGA1 = 10; PGA2 = 10; PGA3 = 10; set_osr = 7, set_nelconv = 3,
PGA1 off; PGA2 = 10; PGA3 = 10; set_osr = 7; set_nelconv = 3;
VBAT = 5V; Vref = 5V; Vcommon = 0V
Vbat=5V, Vref=5V, Vcommon=0V
INL: Gain = 100
10
INL: Gain 1000
1
Vin [mV]
Vin [mV]
1.5
15
20
2
2.5
25
-10
-10
10
10
-2
-4
-6
-8
-2
-4
-6
-8
8
6
4
2
0
8
6
4
2
0
0
0
0.5
5
PGA1 = 10; PGA2 off; PGA3 = 10; set_osr = 7, set_nelconv = 3,
PGA1 10; PGA2 10; PGA3 = 10; set_osr = 7, set_nelconv = 3,
Vbat=5V, Vref=5V, Vcommon=0V
Vbat=5V, Vref=5V, Vcommon=0V
10
INL: Gain 1000
1
INL: Gain 100
85 °C
85 °C
Vin [mV]
Vin [mV]
1.5
15
20
2
2.5
25