sx8722 Semtech Corporation, sx8722 Datasheet - Page 62

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

ZoomingADC ™ Performances
Integral non linearity
-10
-10
-10
10
10
10
-2
-4
-6
-8
-2
-4
-6
-8
-2
-4
-6
-8
8
6
4
2
0
8
6
4
2
0
8
6
4
2
0
0
0
0
500
500
50
PGA1 off; PGA2 off; PGA3 off; set_osr = 7, set_nelconv = 3,
PGA1 off; PGA2 off; PGA3 = 10; set_osr = 7, set_nelconv = 3,
PGA1 off; PGA2 off; PGA3 = 1; set_osr = 7; set_nelconv = 3,
Vbat=5V, Vref=5V, Vcommon=0V
Vbat = 5V; Vref = 5V; Vcommon = 0V
VBAT=5V, Vref=5V, Vcommon=0V
1000
1000
100
INL: Gain 10
INL: No gain
INL : Gain 1
- 40 °C
- 40°C
- 40°C
Vin [mV]
Vin [mV]
Vin [mV]
1500
1500
150
2000
2000
200
2500
2500
250
-10
-10
-10
10
10
10
-2
-4
-6
-8
-2
-4
-6
-8
-2
-4
-6
-8
8
6
4
2
0
8
6
4
2
0
8
6
4
2
0
0
0
0
500
500
50
PGA1 off; PGA2 off; PGA3 off; set_osr = 7, set_nelconv = 3,
PGA1 off; PGA2 off; PGA3 = 10; set_osr = 7, set_nelconv = 3,
PGA1 off; PGA2 off; PGA3 = 1; set_osr = 7; set_nelconv = 3,
Vbat=5V, Vref=5V, Vcommon=0V
VBAT = 5V; Vref = 5V; Vcommon = 0V
Vbat=5V, Vref=5V, Vcommon=0V
1000
1000
100
INL: No gain
INL: Gain 10
INL : Gain 1
Vin [mV]
Vin [mV]
Vin [mV]
1500
1500
150
2000
2000
200
2500
2500
250
-10
-10
-10
10
10
10
-2
-4
-6
-8
-2
-4
-6
-8
-2
-4
-6
-8
8
6
4
2
0
8
6
4
2
0
8
6
4
2
0
0
0
0
500
500
50
PGA1 off; PGA2 off; PGA3 off; set_osr = 7, set_nelconv = 3,
PGA1 off; PGA2 off; PGA3 = 10; set_osr = 7, set_nelconv = 3,
PGA1 off; PGA2 off; PGA3 = 1; set_osr = 7; set_nelconv = 3,
Vbat=5V, Vref=5V, Vcommon=0V
Vbat = 5V; Vref = 5V; Vcommon = 0V
VBAT=5V, Vref=5V, Vcommon=0V
1000
1000
100
INL: Gain 10
INL: No gain
INL : Gain 1
85 °C
85°C
85°C
Vin [mV]
Vin [mV]
Vin [mV]
1500
1500
150
2000
2000
200
2500
2500
250