Datasheet

MUX1[3:0] = 0101
TEMPP
MUX1[3:0] = 0100
MVDDP
MUX1[3:0] = 0011
From LOFFP
MUX1[3:0] = 0000
MUX1[3:0] = 0110 or
MUX1[3:0] = 1000
MUX1[3:0] = 0001
MUX1[3:0] = 0001
RLDIN/
RLDREF
MUX1[3:0] = 0010
MUX1[3:0] = 0111 or
MUX1[3:0] = 1000
IN2P
IN2N
MUX1[3:0] = 0000
From LOFFN
RLD_REF
MUX1[3:0] = 0010
MVDDN
TEMPN
MUX1[3:0] = 0100
MUX1[3:0] = 0101
Device
TESTP
TESTM
INT_TEST
INT_TEST
MUX1[3:0] = 0011
EMI
Filter
To PGA2_INP
To PGA2_INN
VREFP + VREFN
2
MUX1[3:0] = 1001
MUX1[3:0] = 0101
TEMPP
MUX1[3:0] = 0100
MVDDP
MUX1[3:0] = 0011
From LOFFP
MUX1[3:0] = 0000
MUX1[3:0] = 0111 or
MUX1[3:0] = 1000
MUX1[3:0] = 0010
MUX1[3:0] = 0110 or
MUX1[3:0] = 1000
IN1P
IN1N
MUX1[3:0] = 0000
From LOFFN
RLD_REF
MUX1[3:0] = 0010
MVDDN
TEMPN
MUX1[3:0] = 0100
MUX1[3:0] = 0101
TESTP
TESTM
INT_TEST
INT_TEST
MUX1[3:0] = 0011
EMI
Filter
MUX1[3:0] = 0001
To PGA1_INP
To PGA1_INN
MUX1[3:0] = 0001
VREFP + VREFN
2
MUX1[3:0] = 1001
RESP
MOD
RESP_MODP/IN3P
RESP_MODN/IN3N
MUX1[3:0] = 1001
MUX1[3:0] = 1001
ADS1291
ADS1292
ADS1292R
SBAS502B –DECEMBER 2011–REVISED SEPTEMBER 2012 www.ti.com
NOTE: MVDD monitor voltage supply depends on channel number; see the Supply Measurements (MVDDP, MVDDN) section.
Figure 19. Input Multiplexer Block for Both Channels
18 Submit Documentation Feedback Copyright © 2011–2012, Texas Instruments Incorporated
Product Folder Links: ADS1291 ADS1292 ADS1292R