ADS1291_14 Datasheet, PDF (46/75 Pages) Texas Instruments – Power, 2-Channel, 24-Bit Analog Front-End for Biopotential Measurements

ADS1291
ADS1292
ADS1292R
SBAS502B – DECEMBER 2011 – REVISED SEPTEMBER 2012
LOFF_SENS: Lead-Off Sense Selection
Address = 07h
BIT 7
0
BIT 6
0
BIT 5
FLIP2
BIT 4
FLIP1
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BIT 3
LOFF2N
BIT 2
LOFF2P
BIT 1
LOFF1N
BIT 0
LOFF1P
This register selects the positive and negative side from each channel for lead-off detection. See the Lead-Off
Detection subsection of the ECG-Specific Functions section for details. Note that the LOFF_STAT register bits
should be ignored if the corresponding LOFF_SENS bits are set to '1'.
Bits[7:6]
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
Must be set to '0'
FLIP2: Current direction selection
This bit controls the direction of the current used for lead-off derivation for channel 2.
0 = Disabled (default)
1 = Enabled
FLIP1: Current direction selection
This bit controls the direction of the current used for lead-off derivation for channel 1.
0 = Disabled (default)
1 = Enabled
LOFF2N: Channel 2 lead-off detection negative inputs
This bit controls the selection of negative input from channel 2 for lead-off detection.
0 = Disabled (default)
1 = Enabled
LOFF2P: Channel 2 lead-off detection positive inputs
This bit controls the selection of positive input from channel 2 for lead-off detection.
0 = Disabled (default)
1 = Enabled
LOFF1N: Channel 1 lead-off detection negative inputs
This bit controls the selection of negative input from channel 1 for lead-off detection.
0 = Disabled (default)
1 = Enabled
LOFF1P: Channel 1 lead-off detection positive inputs
This bit controls the selection of positive input from channel 1 for lead-off detection.
0 = Disabled (default)
1 = Enabled
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