Datasheet
CH1-ECG
CH2-ECG
CH3-ECG
Lead off
detect
-
+
EMI
filter
CSB
SCLK
SDI
SDO
OSC
IN1
Flexible
Routing
Switch
Test
Ref
XTAL1
-
+
VSS
VDD
VDDIO
CVREF
RLDINV
RLDIN
EMI
filter
IN2
EMI
filter
IN3
EMI
filter
IN4
EMI
filter
IN5
EMI
filter
IN6
Batt.
Mon
CMOUT
XTAL2
POR
RSTB
DRDYB
RLDREF
RLDOUT
CLK
ALARMB
DIGITAL
CONTROL AND
POWER
MANAGEMENT
Wilson
ref.
CM
Detect
SYNCB
VSSIO
Digital
Filter
Σ∆
Modulator
Digital
Filter
Σ∆
Modulator
-
+
-
+
InA
InA
InA
WCT
-
+
CH4- Analog Pace
WILSON_EN
CMDET_EN
SELRLD
REF
EMI
filter
EMI
filter
LOD_EN
CH1-Pace
CH2-Pace
CH3-Pace
Digital
Filter
Σ∆
Modulator
REF for
CM & RLD
RLD
Amp.
PACE2
RLDIN
PACE2WCT
WILSON_CN
CH1
CH2
CH3
CH4 InA
ADS1293
SNAS602B –FEBRUARY 2013–REVISED MARCH 2013
www.ti.com
These devices have limited built-in ESD protection. The leads should be shorted together or the device placed in conductive foam
during storage or handling to prevent electrostatic damage to the MOS gates.
BLOCK DIAGRAM
SPACER
SPACER
Table 1. ORDERING INFORMATION
PACKAGE PART NUMBER PACKAGE MARKING TRANSPORT MEDIA TI DRAWING
28–Pin LLP ADS1293CISQ U2XYTT 1k Units Tape and Reel SQA28A
ADS1293CISQx 4.5k Units Tape and Reel
2 Copyright © 2013, Texas Instruments Incorporated
Product Folder Links: ADS1293