ADS1293_13 datasheet(2/75 Pages) TI1

Part #	ADS1293

Description	ADS1293 Low Power, 3-Channel, 24-Bit Analog Front End for Biopotential Measurements

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Manufacturer	TI1 [Texas Instruments]

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CH1-ECG

CH2-ECG

CH3-ECG

Lead off

detect

-

+

EMI

filter

CSB

SCLK

SDI

SDO

OSC

IN1

Flexible

Routing

Switch

Test

Ref

EMI

filter

IN2

EMI

filter

IN3

EMI

filter

IN4

EMI

filter

IN5

EMI

filter

IN6

Batt.

Mon

POR

DRDYB

CLK

ALARMB

DIGITAL

CONTROL AND

POWER

MANAGEMENT

Wilson

ref.

CM

Detect

Digital

Filter

Σ∆

Modulator

Digital

Filter

Σ∆

Modulator

-

+

-

+

InA

WCT

-

+

CH4- Analog Pace

WILSON_EN

CMDET_EN

REF

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

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

Product Folder Links: ADS1293

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ADS1293 Datasheet(PDF) 2 Page - Texas Instruments

ADS1293 Datasheet(HTML) 2 Page - Texas Instruments

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