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ISL29010
Data Sheet
November 11, 2011
FN6414.1
Light-to-Digital Output Sensor with High
Sensitivity, Gain Selection, and I 2 C
Interface
The ISL29010 is an integrated light sensor with I 2 C
interface. It has an internal signed15-bit integrating type
ADC designed based on the charge-balancing conversion
technique. This ADC is capable of rejecting 50Hz and 60Hz
flicker caused by artificial light sources. The lux range select
feature allows the user to program the lux range for
optimized counts/lux.
In normal operation, power consumption is typically 250μA.
Furthermore, a power-down mode can be controlled by
software via the I 2 C interface, reducing power consumption
to less than 1μA.
Designed to operate on supplies from 2.5V to 3.3V, the
ISL29010 is specified for operation over the -40°C to +85°C
ambient temperature range.
Ordering Information
Features
? Range select via I 2 C
- Range 1 = 0 lux to 2,000 lux
- Range 2 = 0 lux to 8,000 lux
- Range 3 = 0 lux to 32,000 lux
- Range 4 = 0 lux to 128,000 lux
? Human eye response (540nm peak sensitivity)
? Temperature compensated
? Signed 15-bit resolution
? Adjustable resolution: up to 20 counts per lux
? 1 bit I 2 C address selection
? Simple output code, directly proportional to lux
? IR + UV rejection
? 50Hz/60Hz rejection
? 2.5V to 3.3V supply
? 6 Ld ODFN (2.1mmx2mm)
PART NUMBER
(Notes 1, 2, 3)
ISL29010IROZ-T7
TEMP.
RANGE (°C)
-40 to +85
PACKAGE
(Pb-Free)
6 Ld ODFN
PKG.
DWG. #
L6.2x2.1
? Pb-free (RoHS compliant)
? Operating temperature range: -40°C to +85°C
ISL29010IROZ-EVALZ
NOTES:
Evaluation Board
Applications
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
and 100% matte tin plate - e3 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), please see device
information page for ISL29010 . For more information on MSL
? Display and keypad backlight dimming for
- Mobile Devices: Smart phone, PDA, and GPS
- Computing devices: Notebook PC, UMPC web pod
- Consumer devices: LCD-TV, digital picture frame, and
digital cameras
? Industrial and medical light sensing
Block Diagram
VDD
please see tech brief TB477 .
PHOTODIODE
ARRAY
1
Pinout
ISL29010
COMMAND
REGISTER
VDD 1
(6 LD ODFN)
TOP VIEW
6 SDA
LIGHT
DATA
PROCESS
IREF
INTEGRATING
ADC
EXT
TIMING
DATA
REGISTER
I 2 C
5 SCL
6 SDA
GND 2
REXT 3
5 SCL
4 A 0
FOSC
2 16
COUNTER
3
REXT
2
GND
ISL29010
4
A0
1
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.
1-888-INTERSIL or 1-888-468-3774 | Copyright Intersil Americas LLC 2008, 2011. All Rights Reserved
I 2 C Bus is a registered trademark owned by NXP Semiconductors Netherlands, B.V
Intersil (and design) is a trademark owned by Intersil Corporation or one of its subsidiaries.
All other trademarks mentioned are the property of their respective owners.
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