SX8722I070LF SEMTECH [Semtech Corporation], SX8722I070LF Datasheet - Page 35

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

9.6. ADC parameters
9.6.1. Overview
The ADC parameters are mainly the resolution and acquisition speed.
Detailed ADC parameters and configuration can be found in the "advanced configuration" chapter
The table below gives the main configurations available using the predefined settings and their main characteristics:
ACS - Revision 4.2
©2008 Semtech Corp.
ADVANCED COMMUNICATIONS & SENSING
Name
S16
N16
N12
F16
A
N8
AC
AR
0
0
1
2
3
4
5
6
7
1
2
3
Resolution
[bits]
16
16
16
12
8
V
IN
C
B
f
Conversion time
S
V
REF
[ms] (typ)
October 2008
+
-
27.3
0.22
0.06
6.8
3.4
PGA1
1 - 10
+
-
Table 18 ADC in the acquisition chain
OFF2
Table 19. ADC predefined settings
+
-
-5/5
5/5
...
1 - 2 - 5 - 10
PGA2
frequency [kHz]
Sampling
+
-
(typ)
300
Page 35
+
+
-
-
0/12 to 127/12
PGA3
OFF3
-63/12
sampling
63/12
Over-
High gain acquisition for sensor interface
ratio
1024
1024
1024
...
64
16
+
-
conversion
elementary
Number of
V
+
IN, ADC
-
8
2
1
1
1
D
ADC
f
S
Maximum resolution, thermal
noise reduced to its minimum
Standard 16 bits resolution
Fastest 16 bits resolution
Standard 12 bits resolution
Standard 8 bits resolution
E
Comments
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