ADPD1081 datasheet(6/74 Pages) AD

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ADPD1080/ADPD1081

Data Sheet

Rev. C | 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

VDD

Applied at the AVDD, DVDD, and VDD pins

1.7

1.8

1.9

Current Consumption

AVDD = DVDD = 1.8 V, ambient temperature (TA) = 25°C, unless otherwise noted.

Table 2.

Parameter

Symbol

Test Conditions/Comments

Min

Typ

Max

Unit

POWER SUPPLY (VDD) CURRENT

VDD Supply Current1

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

µA

100 Hz data rate; Time Slot B only

µA

100 Hz data rate; both Time Slot A and Time Slot B

µA

10 Pulses

100 Hz data rate; Time Slot A only

107

µA

100 Hz data rate; Time Slot B only

µA

100 Hz data rate; both Time Slot A and Time Slot B

184

µA

Peak VDD Supply Current (1.8 V)

IVDD_PEAK

4-Channel Operation

9.3

1-Channel Operation

4.5

Standby Mode Current

IVDD_STANDBY

0.3

µA

SYSTEM POWER DISSIPATION2

Continuous, single channel, photoplethysmography

(PPG) measurement

Average Power

VLED = 4.0 V, VDD = 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

µW

POWER SUPPLY REJECTION RATIO (PSRR)

DC PSRR at 75% full-scale input

VDD is the voltage applied at the AVDD and DVDD pins.

System power dissipation is the total average power dissipation, including the AFE VDD supply plus the VLED power supply to the LEDs.

ADPD1081 Datasheet(PDF) 6 Page - Analog Devices

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