ISL29038
VDD
2
ALS PHOTODIODE
ARRAY
COMMAND
REGISTER
PHOTODIODE
AMPLIFIERS
(ALS AND IR)
DUAL CHANNEL
ADCs
DATA
REGISTER
GNDIR
SCL
1
5
6
2
I C
IR PHOTODIODE
ARRAY
SDA
IREF
INTERRUPT
IR DRIVER
INT
7
8
FOSC
IRDR
3
4
REXT
GND
FIGURE 3. ISL29038 BLOCK DIAGRAM
Pin Configuration
Pin Description
ISL29038
(8 LD ODFN)
TOP VIEW
PIN#
NAME
GNDIR
VDD
DESCRIPTION
Ground for IRDR LED Current.
Positive supply: 2.25V to 3.63V.
Ground.
1
2
3
4
GNDIR
VDD
1
2
3
4
8
7
6
5
IRDR
INT
GND
REXT
External Resistor, Connect to GND pin through a
499kΩ, 1% resistor.
THERMAL
PAD
2
5
6
7
8
-
SCL
SDA
INT
I C Serial Clock Input.
GND
SDA
SCL
2
I C Serial Data Input/Output.
REXT
Active Low, Open-Drain Output.
IRDR
TPAD
IR-LED Driver Sink - Connect to IR LED Cathode.
Thermal Pad - Connect to GND.
Ordering Information
PART NUMBER
PART
V
RANGE
(V)
TEMP RANGE
(°C)
PKG.
DWG. #
DD
(Notes 1, 2, 3)
MARKING
PACKAGE
8 Lead ODFN
ISL29038IROZ-T7
N/A
Evaluation Board
2.25 to 3.63
-40 to +85
L8.2.1x2.0
ISL29038IROZ-EVALZ
NOTES:
1. Refer to TB347 for details on reel specifications.
2. These Intersil Pb-free plastic packaged products employ special Pb-free material sets; molding compounds/die attach materials and NiPdAu plate -
e4 termination finish, which is RoHS compliant and compatible with both SnPb and Pb-free soldering operations. Intersil Pb-free products are MSL
classified at Pb-free peak reflow temperatures that meet or exceed the Pb-free requirements of IPC/JEDEC J STD-020.
3. For Moisture Sensitivity Level (MSL), see device information page for ISL29038. For more information on MSL see techbrief TB477.
FN7851.0
October 12, 2012
2
XICOR [ XICOR INC. ]
