Datasheet

Data Sheet ADAS1000/ADAS1000-1/ADAS1000-2
Rev. A | Page 27 of 80
Figure 55. ADAS1000-2 Slave Device Simplified Block Diagram
RLD_SJ
ECG1
ECG2
ECG3
ECG4
ECG5
AC
LEAD-OFF
DETECTION
CM_IN
VREF
REFOUT
PD
CS
SCLK
SDI
DGND
SDO
DRDY
RESET
AGND
IOVDD
SYNC_GANG
REFIN CAL_DAC_IN
DC LEAD-
OFF/MUXES
AVDD
ADCVDD
DVDD
GPIO3
GPIO1
GPIO2
GPIO0
AMP
AMP
ECG PATH
VREF
FILTERS,
CONTROL,
AND
INTERFACE
LOGIC
REFGND
10k
Ω
ADCVDD, DVDD
1.8V
REGULATORS
ADAS1000-2
10k
Ω
ADC
ADC
AMP
ADC
AMP
ADC
AMP
ADC
COMMON-
MODE AMP
AC
LEAD-OFF
DAC
09660-013