ISL29038

2

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without notice. Accordingly, the reader is cautioned to verify that data sheets are current before placing orders. Information furnished by Intersil is believed to be

accurate and reliable. However, no responsibility is assumed by Intersil or its subsidiaries for its use; nor for any infringements of patents or other rights of third

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FN7851.0

October 12, 2012

Pin Configuration

ISL29038

(8 LD ODFN)

TOP VIEW

FIGURE 2. ISL29038 BLOCK DIAGRAM

VDD

REXT

GND

SCL

IR PHOTODIODE

PHOTODIODE

4

3

5

2

FOSC

IREF

IRDR

ARRAY

ALS PHOTODIODE

AMPLIFIERS

(ALS AND IR)

ARRAY

DUAL CHANNEL

ADCs

8

INT

7

COMMAND

REGISTER

DATA

REGISTER

IR DRIVER

INTERRUPT

SDA

6

GNDIR

1

1

2

3

8

7

6

GNDIR

VDD

GND

IRDR

INT

SDA

4

5

REXT

SCL

THERMAL

PAD

Pin Description

PIN#

NAME

DESCRIPTION

1

GNDIR

Ground for IRDR LED Current.

2

VDD

Positive supply: 2.25V to 3.63V.

3GND

Ground.

4

REXT

External Resistor, Connect to GND pin through a

499kΩ

, 1% resistor.

5SCL

6SDA

7INT

Active Low, Open-Drain Output.

8

IRDR

IR-LED Driver Sink - Connect to IR LED Cathode.

-

TPAD

Thermal Pad - Connect to GND.