SX8722I070LF SEMTECH [Semtech Corporation], SX8722I070LF Datasheet - Page 53
SX8722I070LF
Manufacturer Part Number
SX8722I070LF
Description
High gain acquisition for sensor interface
Manufacturer
SEMTECH [Semtech Corporation]
Datasheet
1.SX8722I070LF.pdf
(108 pages)
- Current page: 53 of 108
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12.3. ZoomingADC Detailed block diagram
ACS - Revision 4.2
©2008 Semtech Corp.
ADVANCED COMMUNICATIONS & SENSING
INPUTS
CxAdcReg6
CxAdcReg5
CxAdcReg4
CxAdcReg3
CxAdcReg2
CxAdcReg1
AC
AR
0
1
2
3
4
5
6
7
0
1
2
3
V
Figure 32. ZoomingADC detailed functional block diagram
IN
October 2008
f
S
V
REF
+
-
PGA1
+
-
OFF2
Nb of elementary cycles
Sampling frequency fs
+
Power Saving Modes
-
Oversampling ratio
PGA Enabling
PGA2
Page 53
+
-
High gain acquisition for sensor interface
+
-
+
-
PGA3
OFF3
+
-
V
IN, ADC
+
Acquisition chain
-
CxDataOutMsb
CxDataOutLsb
Register bank
ADC
f
S
DATASHEET
www.semtech.com
SX8722
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