SX8722I070LF SEMTECH [Semtech Corporation], SX8722I070LF Datasheet - Page 60

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

12.7.4. PGA3
The finest gain and offset tuning is performed with the third and last PGA stage, according to the following coding Tables.
ACS - Revision 4.2
©2008 Semtech Corp.
ADVANCED COMMUNICATIONS & SENSING
October 2008
PGA3_GAIN[6:0]
PGA3_GAIN[6:0]
PGA2_OFFSET
Table 46. PGA2 offset settings
0000000
0000001
0000110
0001100
0010000
0100000
1000000
0000000
0000001
0000010
0010000
0100000
0111111
1111111
Table 47. PGA3 gain settings
1100
...
...
...
...
...
...
...
Page 60
PGA2 offset [V/V]
PGA3 gain [V/V]
PGA3 gain [V/V]
127/12 (=10.58)
+63/12 (=+5.25)
+1/12(=0.083)
1/12 (=0.083)
+16/12
+32/12
High gain acquisition for sensor interface
+2/12
12/12
16/12
32/12
64/12
6/12
-1
...
...
...
...
...
...
...
0
0
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