Data Sheet

ADPD103

Rev. B | Page 11 of 52

1

2

3

A

B

C

D

E

F

LGND

LEDX2

ADPD103

TOP VIEW, BALL SIDE DOWN

(Not to Scale)

LEDX3

LEDX1

SDA

SCL

INT

DVDD

DGND

PDSO

VREF

AVDD

PD5-8

PDC

PD1-4

AGND

Figure 5. 16-Ball WLCSP Pin Configuration

Table 11. 16-Ball WLCSP Pin Function Descriptions

Pin No.

Mnemonic

Description

A1

LGND

S

LED Driver Ground.

A2

LEDX2

AO

LED Driver 2 Current Sink. If not in use, leave this pin floating.

B1

LEDX3

AO

LED Driver 3 Current Sink. If not in use, leave this pin floating.

B2

LEDX1

AO

LED Driver 1 Current Sink. If not in use, leave this pin floating.

B3

SDA

DIO

C1

SCL

S

C2

INT

DO

Interrupt Output.

C3

DVDD

S

1.8 V Digital Supply.

D2

DGND

S

Digital Ground.

D3

AGND

S

Analog Ground.

E1

PDSO

DO

Power-Down Status Output.

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

PD5-8

AI

Photodiode Combined Current Input of PD5 to PD8. If not in use, leave this pin floating.

F2

PDC

AO

Photodiode Common Cathode Bias.

F3

PD1-4

AI

Photodiode Combined Current Input of PD1 to PD4. If not in use, leave this pin floating.

1

S means supply, AO means analog output, DIO means digital input/output, DO means digital output, REF means voltage reference, and AI means analog input.