SX8722I070LF SEMTECH [Semtech Corporation], SX8722I070LF Datasheet - Page 75
SX8722I070LF
Manufacturer Part Number
SX8722I070LF
Description
High gain acquisition for sensor interface
Manufacturer
SEMTECH [Semtech Corporation]
Datasheet
1.SX8722I070LF.pdf
(108 pages)
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13. Typical performances
13.1. Current consumption
SX8722 mean current consumption in active mode is around 200 [µA], without enabled PGA. The value of the gain of de
PGA can have a negligible influence on consumption in active mode.
Additional consumption depends on the active PGA and on the bias current parameter.
Example 1 : Bias current 25%
PGA1: enabled
PGA2: enabled
PGA3: enabled
SX8722 measured current consumption: ~330 µA
Example 2 : Bias current 100%
PGA1: enabled
PGA2: enabled
PGA3: enabled
SX8722 measured current consumption: ~710 µA
ACS - Revision 4.2
©2008 Semtech Corp.
ADVANCED COMMUNICATIONS & SENSING
October 2008
bias 100 %
bias 25 %
bias 50 %
bias 75 %
Table 59. PGA current consumption
Current for each amplifier in [uA]
I
PGA1
140
185
50
95
Page 75
High gain acquisition for sensor interface
I
PGA2
110
145
40
75
I
PGA3
145
190
50
98
DATASHEET
www.semtech.com
SX8722
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