Datasheet
LTC2442
13
2442fa
For more information www.linear.com/LTC2442
Table 3. Channel Selection
MUX ADDRESS CHANNEL SELECTION
SGL ODD/SIGN A2 A1 A0 CH0 CH1 CH2 CH3 COM
0 0 0 0 0 SEL
+
SEL
–
0 0 0 0 1 SEL
+
SEL
–
0 1 0 0 0 SEL
–
SEL
+
0 1 0 0 1 SEL
–
SEL
+
1 0 0 0 0 SEL
+
SEL
–
1 0 0 0 1 SEL
+
SEL
–
1 1 0 0 0 SEL
+
SEL
–
1 1 0 0 1 SEL
+
SEL
–
Table 4. Speed/Resolution Selection
OSR3
OSR2
OSR1
OSR0
TWOX
CONVERSION RATE
RMS
NOISE
ENOB
OSR
LATENCY
INTERNAL
9MHZ
Clock
EXTERNAL
10.24MHz
Clock
0 0 0 0 0 Keep Previous Speed/Resolution
0 0 0 1 0 3.52kHz 4kHz 23µV 17.7 64 none
0 0 1 0 0 1.76kHz 2kHz 36µV 20.4 128 none
0 0 1 1 0 879Hz 1kHz 2.1µV 21.2 256 none
0 1 0 0 0 439Hz 500Hz 1.5µV 21.6 512 none
0 1 0 1 0 220Hz 250Hz 1.2µV 22 1024 none
0 1 1 0 0 110Hz 125Hz 840nV 22.5 2048 none
0 1 1 1 0 55Hz 62.5Hz 630nV 22.9 4096 none
1 0 0 0 0 27.5Hz 31.25Hz 430nV 23.5 8192 none
1 0 0 1 0 13.73Hz 15.625Hz 305nV 24 16384 none
1 1 1 1 0 6.875Hz 7.8125Hz 220nV 24.4 32768 none
0 0 0 0 1 Keep Previous Speed/Resolution
0 0 0 1 1 7.03kHz 8kHz 23µV 17.7 64 1 cycle
0 0 1 0 1 3.52kHz 4kHz 3.6µV 20.4 128 1 cycle
0 0 1 1 1 1.76kHz 2kHz 2.1µV 21.2 256 1 cycle
0 1 0 0 1 879Hz 1kHz 1.5µV 21.6 512 1 cycle
0 1 0 1 1 439Hz 500Hz 1.2µV 22 1024 1 cycle
0 1 1 0 1 220Hz 250Hz 840nV 22.5 2048 1 cycle
0 1 1 1 1 110Hz 125Hz 630nV 22.9 4096 1 cycle
1 0 0 0 1 55Hz 62.5Hz 430nV 23.5 8192 1 cycle
1 0 0 1 1 27.5Hz 31.25Hz 305nV 24 16384 1 cycle
1 1 1 1 1 13.73Hz 15.625Hz 220nV 24.4 32768 1 cycle
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