Transcript 7534.ADS1293 LaunchPad Booster Board-4-8-13

ADS1293 LaunchPad Booster
Board
April 2013
1
ADS1293
Wireless Booster for Stellaris LaunchPad
Stellaris
LaunchPad
ADS1293 Booster
Board
RA
LA
CC2541
UART
V1
Stellaris
LM4F120
UART
Digital Signal
Enhancement
Algorithms
RLD
LL
ADS1293 SPI
SPI
ADS1293
Wireless ECG Board
ADS1293
Low-Power, 3-Channel, 24-Bit Analog Front-End for Biopotential
Measurements
VDD
IN1
IN2
IN3
LA
IN4
IN5
V1
IN6
Lead off
detect
Batt.
Mon
LOFF_EN
Test
Ref
EMI
filter
EMI
filter
EMI
filter
RA
EMI
filter
RA
LA
+
WILSON_CN
POR
VDDDIG
Σ∆
Digital
Modulator Filter
CH1 InA
-
OSC
CH1 Pacer
CH1-ECG
CH1-Pace
+
CH2 InA
-
+
CH3 InA
-
POS4: INx
+
CH4 InA
POS4: INx
SDI
CH2-ECG
Σ∆
Digital
Modulator Filter
CH2-Pace
Σ∆
Digital
Modulator Filter
CH3-Pace
SCLK
CH3-ECG
DIGITAL
CONTROL AND
POWER
MANAGEMENT
ALARM
CM
Detect
CMOUT
RLDOUT
EMI
filter
Wilson
ref.
PACE2
RLDIN
EMI
filter
CMDET_EN
REF for
CM & RLD
RLD
Amp
CH1 Pacer
WILSON_EN
SELRLD
IN4
CSB
CH4 - Analog Pace
-
PACE2WCT
WCT
DRDYB
SDO
WILSON
V1
LDO
CLK
LL
EMI
filter
EMI
filter
LL
Int REF
= 2.4V
Flexible
Routing
switch
-
RL
RSTB XTAL2 XTAL1 VDDIO
CVREF
+
RA
VSS
RLDINV RLDIN
RLDREF
SYNCB SYNCBOUTB
ALARMB
ADS1293
Product Summary
Benefits
LDO
VDDDIG
OSC
POR
VDDIO
XTAL1
XTAL2
RSTB
CVREF
VSS
REF
CLK
EMI
filter
IN6
EMI
filter
CH2
+
INA
-
Σ∆
Modulator
Digital
Filter
CH2-Pace
+
CH3 INA
-
Σ∆
Modulator
Digital
Filter
WILSON_CN
CH4
PACE2WCT
WCT
 Package: 5mm x 5mm x 0.8mm, 28-pin LLP
+
INA
-
WILSON_EN
CMDET_EN
Wilson
ref.
CM
Detect
DRDYB
SDO
SDI
CH2-ECG
SCLK
CH3-ECG
CH3-Pace
DIGITAL
CONTROL AND
POWER
MANAGEMENT
CSB
CH4- Analog Pace
RLD
Amp.
ALARMB
REF for
CM & RLD
PACE2
RLDIN
SYNCBOUTB
IN5
Flexible
Routing
switch
CH1-Pace
SYNCB
EMI
filter
Digital
Filter
RLDREF
IN4
Σ∆
Modulator
EMI
filter
EMI
filter
+
INA
-
RLDIN
IN3
CH1-ECG
CH1
EMI
filter
EMI
filter
EMI
filter
RLDINV
IN1
IN2
SELRLD
 Wireless ECG , Patient monitoring modules
 Portable and battery operated ECG
 Holter Monitors
 Patches
 Heart rate monitors
 Wellness equipment
Test
Ref
LOD_EN
RLDOUT
Low Power Portable ECG & Patient Monitors
Batt.
Mon
Lead off
detect
CMOUT
Applications
VDD
 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
-
 Fully integrated Low power ECG Solution
 Low Power Consumption
1mW full function
0.3mW /CH
+
Features