ADAS1000/ADAS1000-1/ADAS1000-2
Data Sheet
FUNCTIONAL BLOCK DIAGRAM
REFIN REFOUT CAL_DAC_IO RLD_SJ RLD_OUT CM_IN
CM_OUT/WCT SHIELD
AVDD
IOVDD
VREF
CALIBRATION
DAC
RESPIRATION
DAC
AC
LEAD-OFF
DAC
DRIVEN
LEAD
AMP
VCM_REF
(1.3V)
10kΩ
COMMON-
MODE AMP
SHIELD
DRIVE
AMP
ADCVDD, DVDD
1.8V
REGULATORS
AC
LEAD-OFF
DETECTION
ADCVDD
DVDD
MUXES
BUFFER
PACE
CS
DETECTION
ELECTRODES
×5
EXT_RESP_LA
EXT_RESP_LL
EXT_RESP_RA
ADAS1000
5× ECG PATH
AMP
ADC
AMP
ADC
RESPIRATION PATH
FILTERS,
CONTROL,
AND
INTERFACE
LOGIC
CLOCK GEN/OSC/
EXTERNAL CLK
SOURCE
SCLK
SDI
SDO
DRDY
GPIO0/MCS
GPIO1/MSCLK
GPIO2/MSDO
GPIO3
CLK_IO
Figure 1. ADAS1000 Full Featured Model
XTAL1 XTAL2
Table 1. Overview of Features Available from ADAS1000 Generics
Generic 1
ADAS1000
ADAS1000-1
ADAS1000-2
ADAS1000-3
ADAS1000-4
ECG
5 ECG channels
5 ECG channels
5 ECG channels
3 ECG channels
3 ECG channels
Operation
Master/slave
Master/slave
Slave
Master/slave
Master/slave
Right Leg Drive
Yes
Yes
Yes
Yes
Respiration
Yes
Yes
Pace
Detection
Yes
Yes
Shield
Driver
Yes
Yes
Yes
Yes
Master
Interface 2
Yes
Yes
Yes
Yes
Package
Option
LFCSP, LQFP
LFCSP
LFCSP, LQFP
LFCSP, LQFP
LFCSP, LQFP
1 The ADAS1000-2 is a companion device for increased channel count purposes. It has a subset of features and is not intended for standalone use. It can be used in
conjunction with any master device.
2 Master interface is provided for users wishing to utilize their own digital pace algorithm; see the Secondary Serial Interface section.
Rev. C | Page 4 of 85