ADS1293 LaunchPad Booster Board

April 2013

1

SPI

UART

ADS1293

LM4F120Stellaris

CC2541UART

SPI

ADS1293 Booster Board

Stellaris LaunchPad

RA LA

RLD

Digital Signal Enhancement

Algorithms

V1

LL

ADS1293Wireless Booster for Stellaris LaunchPad

ADS1293Wireless ECG Board

ADS1293Low-Power, 3-Channel, 24-Bit Analog Front-End for Biopotential Measurements

CH1-ECG

CH2-ECG

CH3-ECG

Lead off detect

-

+

CSB

SCLK

SDI

SDO

OSCFlexibleRoutingswitch

XTAL1

-

+

VSSVDD VDDIOCVREF

RLDINV RLDIN

LDO VDDDIGBatt.Mon

CMOUT

XTAL2

POR

RSTB

DRDYB

RLDREFRLDOUT

CLK

ALARMB

DIGITALCONTROL AND

POWER MANAGEMENT

CMDetect

SYNCB SYNCBOUTB

Digital Filter

Σ∆Modulator

Digital Filter

Σ∆Modulator-

+

-

+

InA

InA

InA

WCT

CH4 - Analog Pace

CMDET_ENSE

LRLD

Int REF = 2.4V

EMI

filte

r

EMI

filte

r

LOFF_EN

REF forCM & RLD

CH1-Pace

CH2-Pace

CH3-PaceDigital Filter

Σ∆Modulator

POS4: INx

POS4: INx

CH1

CH2

CH3

EMIfilterEMIfilterEMIfilterEMIfilter

EMIfilter

-

+

ALARM

PACE2RLDIN

PACE2WCT

RLDAmp

CH4

TestRef

InA

RALA

LLRA

WILSONV1

CH1 Pacer

CH

1 Pacer

IN4

IN1

IN2

IN3

IN5

IN6

IN4

LA

RL

RA

LLWILSON_CN

EMIfilter

V1

WILSON_EN

Wilson ref.

Fully integrated Low power ECG Solution Low Power Consumption 1mW full function

0.3mW /CH Input-Referred Noise: 10 μVpp (40Hz BW, G=3.5) Input Bias Current: 100 pA Data Rate: Up to 25.6kSPS CMRR: >100 dB Differential Input Voltage Range: ±400mV Analog Supply Voltage: +2.7V to +5.5V Digital I/O Supply Voltage: +1.65V to +3.6V Operating Temp Range: -20°C to +85°C

Simplify the design and shorten development cycle. Reduce components count and board space Significantly lower power consumption Minimum number of external components and small

package Reduced overall cost

ApplicationsLow Power Portable ECG & Patient Monitors

Wireless ECG , Patient monitoring modules Portable and battery operated ECG Holter Monitors Patches Heart rate monitors Wellness equipment

Features Benefits

CH1-ECG

CH2-ECG

CH3-ECG

Lead off detect

-

+EMIfilter

CSB

SCLK

SDI

SDO

OSC

IN1

FlexibleRoutingswitch

TestRef

XTA

L1

-

+

VS

S

VD

D

VD

DIO

CV

RE

F

RLD

INV

RLD

IN

LDO VDDDIG

EMIfilterIN2

EMIfilterIN3

EMIfilterIN4

EMIfilterIN5

EMIfilterIN6

Batt.Mon

CM

OU

T

XTA

L2

POR

RS

TB

DRDYB

RLD

RE

F

RLD

OU

T

CLK

ALARMB

DIGITALCONTROL AND

POWER MANAGEMENT

Wilson ref.

CM Detect

SY

NC

B

SY

NC

BO

UTB

Digital Filter

Σ∆Modulator

Digital Filter

Σ∆Modulator-

+

-

+

INA

INA

INA

WCT

-

+ CH4- Analog Pace

WILSON_EN CMDET_EN

SE

LRLD

REF

EM

Ifil

ter

EM

Ifil

ter

LOD_EN

CH1-Pace

CH2-Pace

CH3-PaceDigital Filter

Σ∆Modulator

REF for CM & RLDRLD

Amp.

PACE2RLDIN

PACE2WCT

WILSON_CN

CH1

CH2

CH3

CH4 INA

Package: 5mm x 5mm x 0.8mm, 28-pin LLP

ADS1293Product Summary