Datasheet
Data Sheet ADAS1000-3/ADAS1000-4
Rev. A | Page 7 of 76
Parameter Min Typ Max Unit Test Conditions/Comments
CLOCK_IO External clock source supplied to CLK_IO; this pin
is configured as an input when the device is
programmed as a slave
Operating Frequency
2
8.192 MHz
Input Duty Cycle
2
20 80 %
Output Duty Cycle
2
50 %
DIGITAL INPUTS Applies to all digital inputs
Input Low Voltage, V
IL
0.3 × IOVDD V
Input High Voltage, V
IH
0.7 × IOVDD V
Input Current, I
IH
, I
IL
−1 +1 μA
−20 +20 μA RESET
has an internal pull-up resistor
Pin Capacitance
2
3 pF
DIGITAL OUTPUTS
Output Low Voltage, V
OL
0.4 V I
SINK
= 1 mA
Output High Voltage, V
OH
IOVDD − 0.4 V I
SOURCE
= −1 mA
Output Rise/Fall Time 4 ns Capacitive load = 15 pF, 20% to 80%
DVDD REGULATOR Internal 1.8 V regulator for DVDD
Output Voltage 1.75 1.8 1.85 V
Available Current
1
1 mA Droop < 10 mV; for external device loading purposes
Short-Circuit Current Limit 40 mA
ADCVDD REGULATOR Internal 1.8 V regulator for ADCVDD; not
recommended as a supply for other circuitry
Output Voltage 1.75 1.8 1.85 V
Short-Circuit Current Limit 40 mA
POWER SUPPLY RANGES
2
AVDD 3.15 3.3 5.5 V
IOVDD 1.65 3.6 V
ADCVDD 1.71 1.8 1.89 V If applied by external 1.8 V regulator
DVDD 1.71 1.8 1.89 V If applied by external 1.8 V regulator
POWER SUPPLY CURRENTS
AVDD Standby Current 785 975 μA
IOVDD Standby Current 1 60 μA
EXTERNALLY SUPPLIED ADCVDD
AND DVDD
All three channels enabled, RLD enabled, pace enabled
AVDD Current 2.4 4.1 mA High performance mode
2.2 4.1 mA Low performance mode
3.2 mA High performance mode, respiration enabled
ADCVDD Current 4.5 6.5 mA High performance mode
3.3 5.5 mA Low performance mode
5.4 mA High performance mode, respiration enabled
DVDD Current 2.0 4 mA High performance mode
1.1 3 mA Low performance mode
2.0 mA High performance mode, respiration enabled
INTERNALLY SUPPLIED ADCVDD
AND DVDD
All three channels enabled, RLD enabled, pace enabled
AVDD Current 9 12.6 mA High performance mode
6.6 9.6 mA Low performance mode
11 14.6 mA High performance mode, respiration enabled
POWER DISSIPATION All 3 channels enabled, RLD enabled, pace enabled
Externally Supplied ADCVDD
and DVDD
3
Three Input Channels and RLD 19.6 mW High performance (low noise)
15.2 mW Low power mode
Internally Supplied ADCVDD
and DVDD
All three channels enabled, RLD enabled, pace enabled
Three Input Channels and RLD 29.7 mW High performance (low noise)
21.8 mW Low power mode