Datasheet

ADPD1080/ADPD1081 Data Sheet
Rev. B | Page 16 of 74
321
A
B
C
D
E
F
LEDX2 LGND
ADPD1081
TOP VIEW, BALL SIDE DOWN
(Not to Scale)
LEDX3 LEDX1
GPIO0
GPIO1 MISO DGND
MOSI
CS
VDD AGND VREF
PD5 PDC PD1
SCLK
16110-008
Figure 8. 17-Ball WLCSP Pin Configuration (ADPD1081)
Table 14. 17-Ball WLCSP Pin Function Descriptions (ADPD1081)
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 GPIO0 DIO General-Purpose Input/Output 0. This pin is used for interrupts and various clocking options.
C1 GPIO1 DIO General-Purpose Input/Output 1. This pin is used for interrupts and various clocking options.
C2 MISO DO Master Input, Slave Output.
C3 DGND S Digital Ground.
D1
CS
DI SPI Chip Select. Active low.
D2 MOSI DI Master Output, Slave Input.
D3 SCLK DI SPI Clock Input.
E1 VDD S 1.8 V Power Supply.
E2 AGND S Analog Ground.
E3 VREF REF Internally Generated ADC Voltage Reference. Buffer this pin with a 1 µF capacitor to AGND.
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, DO means digital output, DI means digital input, REF means voltage reference, and AI
means analog input.
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