ADAS1000BSTZ datasheet(4/80 Pages) AD

4 / 80 page

ADAS1000/ADAS1000-1/ADAS1000-2

Data Sheet

FUNCTIONAL BLOCK DIAGRAM

Figure 1. ADAS1000 Full Featured Model

Table 1. Overview of Features Available from ADAS1000 Generics

Generic1

ECG

Operation

Right Leg Drive

Respiration

Pace

Detection

Shield

Driver

Master

Interface2

Package

Option

ADAS1000

5 ECG channels

Master/slave

Yes

LFCSP, LQFP

ADAS1000-1

5 ECG channels

Master/slave

Yes

LFCSP

ADAS1000-2

5 ECG channels

Slave

LFCSP, LQFP

ADAS1000-3

3 ECG channels

Master/slave

Yes

LFCSP, LQFP

ADAS1000-4

3 ECG channels

Master/slave

Yes

LFCSP, LQFP

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.

Master interface is provided for users wishing to utilize their own digital pace algorithm; see the Secondary Serial Interface section.

ELECTRODES

×5

VREF

REFOUT

REFIN

CAL_DAC_IO

AMP

ADC

RESPIRATION PATH

MUXES

LEAD-OFF

DAC

CALIBRATION

DAC

AMP

ADC

5× ECG PATH

FILTERS,

CONTROL,

AND

INTERFACE

LOGIC

PACE

DETECTION

SCLK

SDI

SDO

DRDY

GPIO3

GPIO1/MSCLK

GPIO2/MSDO

GPIO0/MCS

LEAD-OFF

DETECTION

–

COMMON-

MODE AMP

RLD_SJ

DRIVEN

LEAD

AMP

SHIELD

DRIVE

AMP

SHIELD

RLD_OUT CM_IN

XTAL1

XTAL2

IOVDD

CLOCK GEN/OSC/

EXTERNAL CLK

SOURCE

EXT_RESP_LA

EXT_RESP_LL

VCM_REF

(1.3V)

CLK_IO

AVDD

ADCVDD

DVDD

EXT_RESP_RA

CM_OUT/WCT

10kΩ

ADCVDD, DVDD

1.8V

REGULATORS

ADAS1000

BUFFER

RESPIRATION

DAC

Rev. B | Page 4 of 80

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