ISL29044IROMZ-T7 Datasheet, PDF (2/19 Pages) Intersil Corporation – Low Power Ambient Light and Proximity Sensor with Internal IR-LED and Digital Output

ISL29044 Block Diagram
ALS PHOTODIODE
ARRAY
ISL29044
VDD
1
LIGHT DATA
PROCESS
ALS AND IR
DUAL CHANNEL
ADCs
IR PHOTODIODE
ARRAY
IREF
FOSC
3
GND
4
LED+
5
LED-
COMMAND
REGISTER
DATA
REGISTER
I²C
INTERRUPT
IR DRIVER
2 SCL
8 SDA
7 INT
6 IRDR
Pin Configuration
ISL29044
(8 LD 2.36X3.94 (mm) OPTICAL CO-PACKAGE)
TOP VIEW
LED- 5
IRDR 6
INT 7
SDA 8
4 LED+
3 GND
2 ^SCL
1 VDD
Pin Descriptions
PIN# PIN NAME
DESCRIPTIONS
1
VDD Voltage supply 2.25V to 3.63V.
2
SCL I²C clock line can be pulled from 1.7V to above V_DD,
3.63V max.
3
GND Ground
4
LED+ Anode of IR LED
5
LED- Cathode of IR LED
6
IRDR IR-LED driver pin - current flows into ISL29044 from
LED cathode.
7
INT Interrupt pin; Logic output (open-drain) for interrupt.
8
SDA I²C data line can be pulled from 1.7V to above V_DD,
3.63V max.
Ordering Information
PART NUMBER
(Notes 1, 2, 3)
TEMP. RANGE
(°C)
PACKAGE
Tape & Reel
(Pb-free)
PKG.
DWG. #
ISL29044IROMZ-T7
-40 to +85
8 Ld Optical Co-package
L8.2.36x3.94
ISL29044IROMZ-EVALZ
Evaluation Board
NOTES:
1. Please 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, NiPdAu plate
(e4 termination finish), which are all RoHS compliant. The ISL29044 is compatible with limited SnPb and Pb-free soldering operations. The ISL29044
is MSL classified. See Tech Brief TB487 (Surface Mount Assembly Guidelines for Optical Co-Package Sensor and LED) for reflow profile and more
information.
3. For more information on MSL please see tech brief TB477.
2
FN8305.0
October 30, 2012