Datasheet

ADPD1080/ADPD1081 Data Sheet
Rev. B | Page 6 of 74
SPECIFICATIONS
TEMPERATURE AND POWER SPECIFICATIONS
Operating Conditions
Table 1.
Parameter Test Conditions/Comments Min Typ Max Unit
TEMPERATURE
Operating Range −40 +85 °C
ADPD1080WBCPZR7 Automotive grade only −40 +105 °C
Storage Range −65 +150 °C
POWER SUPPLY VOLTAGE
V
DD
Applied at the AVDD, DVDD, and VDD pins 1.7 1.8 1.9 V
Current Consumption
AVDD = DVDD = 1.8 V, ambient temperature (T
A
) = 25°C, unless otherwise noted.
Table 2.
Parameter Symbol Test Conditions/Comments Min Typ Max Unit
POWER SUPPLY (V
DD
) CURRENT
V
DD
Supply Current
1
SLOTx_LED_OFFSET = 25 µs; LED_PERIOD =13 µs;
LED peak current = 25 mA, single-channel mode
1 Pulse 100 Hz data rate; Time Slot A only 53 µA
100 Hz data rate; Time Slot B only 41 µA
100 Hz data rate; both Time Slot A and Time Slot B 76 µA
10 Pulses 100 Hz data rate; Time Slot A only 107 µA
100 Hz data rate; Time Slot B only 95 µA
100 Hz data rate; both Time Slot A and Time Slot B 184 µA
Peak V
DD
Supply Current (1.8 V) IV
DD
_
PEAK
4-Channel Operation 9.3 mA
1-Channel Operation 4.5 mA
Standby Mode Current IV
DD
_
STANDBY
0.3 µA
SYSTEM POWER DISSIPATION
2
Continuous, single channel, photoplethysmography
(PPG) measurement
Average Power V
LED
= 4.0 V, V
DD
= 1.8 V, signal-to-noise ratio (SNR) = 75 dB,
25 Hz output data rate, 70% full-scale input signal
Current transfer ratio (CTR) = 20 nA/mA 258 µW
CTR = 100 nA/mA 75 µW
POWER SUPPLY REJECTION RATIO (PSRR) DC PSRR at 75% full-scale input 24 dB
1
V
DD
is the voltage applied at the AVDD and DVDD pins.
2
System power dissipation is the total average power dissipation, including the AFE V
DD
supply plus the V
LED
power supply to the LEDs.
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