Datasheet

Data Sheet ADPD1080/ADPD1081
Rev. B | Page 15 of 74
321
A
B
C
D
E
F
LEDX2 LGND
ADPD1080
TOP VIEW, BALL SIDE DOWN
(Not to Scale)
LEDX3 LEDX1
SDA
SCL GPIO0 DVDD
DGND
GPIO1 VREF AVDD
PD5 PDC PD1
AGND
16110-007
Figure 7. 16-Ball WLCSP Pin Configuration (ADPD1080)
Table 13. 16-Ball WLCSP Pin Function Descriptions (ADPD1080)
Pin No. Mnemonic Type
1
Description
A1 LEDX2 AO LED2 Driver Current Sink. If not in use, leave this pin floating.
A2 LGND S LED Driver Ground.
B1 LEDX3 AO LED3 Driver Current Sink. If not in use, leave this pin floating.
B2 LEDX1 AO LED1 Driver Current Sink. If not in use, leave this pin floating.
B3 SDA DIO I
2
C Data Input/Output.
C1 SCL DI I
2
C Clock Input.
C2 GPIO0 DIO General-Purpose Input/Output 0. This pin is used for interrupts and various clocking options.
C3 DVDD S 1.8 V Digital Supply.
D2 DGND S Digital Ground.
D3 AGND S Analog Ground.
E1 GPIO1 DIO General-Purpose Input/Output 1. This pin is used for interrupts and various clocking options.
E2 VREF REF Internally Generated ADC Voltage Reference. Buffer this pin with a 1 µF capacitor to AGND.
E3 AVDD S 1.8 V Analog Supply.
F1 PD5 AI PD5 Photodiode Current Input. If not in use, leave this pin floating.
F2 PDC AO Photodiode Common Cathode Bias.
F3 PD1 AI PD1 Photodiode Current Input. If not in use, leave this pin floating.
1
AO means analog output, S means supply, DIO means digital input/output, DI means digital input, REF means voltage reference, AI means analog input, and AO
means analog output.
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