Datasheet

ADS1281
SBAS378D –AUGUST 2007–REVISED JUNE 2010 www.ti.com
CONFIG0: CONFIGURATION REGISTER 0 (ADDRESS 01h)
7 6 5 4 3 2 1 0
SYNC 1 DR2 DR1 DR0 PHASE FILTR1 FILTR0
Reset value = 52h.
Bit[7] SYNC
Synchronization mode
0: Pulse SYNC mode (default)
1: Continuous SYNC mode
Bit[6] Reserved
Always write '1' (default)
Bits[5:3] Data Rate Select
DR[2:0]
000: 250SPS
001: 500SPS
010: 1000SPS (default)
011: 2000SPS
100: 4000SPS
Bit[2] FIR Phase Response
PHASE
0: Linear phase (default)
1: Minimum phase
Bits[1:0] Digital Filter Select
FILTR[1:0]
Digital filter configuration
00: On-chip filter bypassed, modulator output mode
01: Sinc filter block only
10: Sinc + LPF filter blocks (default)
11: Sinc + LPF + HPF filter blocks
RESERVED: (ADDRESS 02h)
7 6 5 4 3 2 1 0
0 0 0 0 1 0 0 0
Reset value = 08h.
Bits[7:0] Reserved
Always write '08h'
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