SX8722I070LF SEMTECH [Semtech Corporation], SX8722I070LF Datasheet - Page 76

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

13.2. ZoomingADC
13.2.1. Integral non-linearity
ACS - Revision 4.2
©2008 Semtech Corp.
ADVANCED COMMUNICATIONS & SENSING
PGA1 off; PGA2 off; PGA3 off; set_osr = 7, set_nelconv = 3,
Vbat=5V, Vref=5V, Vcommon=0V
PGA1 off; PGA2 off; PGA3 = 1; set_osr = 7; set_nelconv = 3,
Vbat = 5V; Vref = 5V; Vcommon = 0V
PGA1 off; PGA2 off; PGA3 = 10; set_osr = 7; set_nelconv = 3;
VBAT = 5V; Vref = 5V; Vcommon = 0V
-10
-10
-10
10
10
-2
-4
-6
-8
10
-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
1000
1000
100
-40°C
-40°C
-40°C
Vin [mV]
Vin [mV]
Vin [mV]
1500
1500
150
2000
2000
200
October 2008
2500
2500
250
PGA1 off; PGA2 off; PGA3 = 10; set_osr = 7; set_nelconv = 3;
Vbat = 5V; Vref = 5V; Vcommon = 0V
PGA1 off; PGA2 off; PGA3 off; set_osr = 7; set_nelconv = 3;
Vbat = 5V; Vref = 5V; Vcommon = 0V
PGA1 off; PGA2 off; PGA3 = 1; set_osr = 7; set_nelconv = 3,
VBAT = 5V; Vref = 5V; Vcommon = 0V
-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
ADC without PGA
Gain 10
Page 76
1000
1000
Gain 1
100
25°C
25°C
25°C
Vin [mV]
Vin [mV]
Vin [mV]
1500
1500
150
High gain acquisition for sensor interface
2000
2000
200
2500
2500
250
PGA1 off; PGA2 off; PGA3 off; set_osr = 7, set_nelconv = 3,
Vbat=5V, Vref=5V, Vcommon=0V
PGA1 off; PGA2 off; PGA3 = 10; set_osr = 7; set_nelconv = 3;
VBAT = 5V; Vref = 5V; Vcommon = 0V
PGA1 off; PGA2 off; PGA3 = 1; set_osr = 7; set_nelconv = 3,
Vbat = 5V; Vref = 5V; Vcommon = 0V
-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
1000
1000
100
85°C
85°C
85°C
Vin [mV]
Vin [mV]
Vin [mV]
DATASHEET
www.semtech.com
SX8722
1500
1500
150
2000
2000
200
2500
2500
250