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ISL29004 Datasheet

Light-to-Digital Output Sensor

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Data Sheet
November 17, 2011
ISL29004
FN6221.1
Light-to-Digital Output Sensor with Address
Selection, High Sensitivity, Gain Selection,
Interrupt Function and I2C Interface
The ISL29004 is an integrated light sensor with a 16-bit
integrating type ADC, I2C user programmable Lux range
select for optimized counts/Lux, and I2C multi-function
control and monitoring capabilities. The internal ADC
provides 16-bit resolution while rejecting 50Hz and 60Hz
flicker caused by artificial light sources.
In normal operation, power consumption is typically 300µA.
Futhermore, an available software power-down mode
controlled via the I2C interface reduces power consumption
to less than 1µA. The device also support a hardware
interrupt that remains asserted low until the host clears it
through I2C interface.
The ISL29004 is in an 8 Ld ODFN package and has two I2C
address pins for multiple devices on the same bus. The
ISL29003 is a similar light sensor with a hardwired I2C
address that is available in ODFN6 package.
Designed to operate on supplies from 2.5V to 3.3V, the
ISL29004 are specified for operation over the -40°C to
+85°C ambient temperature range.
Pinout
ISL29004
(8 LD ODFN)
TOP VIEW
VDD 1
GND 2
REXT 3
A0 4
THERMAL
PAD
8 SDA
7 SCL
6 INT
5 A1
Features
• Range select via I2C
- Range1 = 1000Lux
- Range2 = 4000Lux
- Range3 = 16,000Lux
- Range4 = 64,000Lux
• Human eye response (540nm peak sensitivity)
• Temperature compensated
• 16-bit resolution
• Adjustable resolution: up to 65 counts per Lux
• User-programmable upper and lower threshold interrupt
• Simple output code, directly proportional to Lux
• 50Hz/60Hz rejection
• 2.5V to 3.3V supply
• 8 Ld ODFN (3mmx3mm)
• I2C address selection
Applications
• Ambient light sensing
• Backlight control
• Temperature control systems
• Contrast control
• Camera light meters
• Lighting controls
Block Diagram
PHOTODIODE 1
1
MUX
INTEGRATING
ADC
PHOTODIODE 2
IREF
FOSC
3
REXT
EXT
TIMING
216
COUNTER
2
GND
ISL29004
COMMAND
REGISTER
DATA
REGISTER
I2C
INT
INTERRUPT
8 SDA
7 SCL
4 A0
5 A1
6 INT
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 2006, 2011. All Rights Reserved.
I2C 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.


Intersil Electronic Components Datasheet

ISL29004 Datasheet

Light-to-Digital Output Sensor

No Preview Available !

ISL29004
Ordering Information
PART NUMBER
(Notes 1, 2, 3)
TAPE & REEL
PACKAGE
(Pb-Free)
PKG. DWG. #
ISL29004IROZ (Note 4)
- 8 Ld ODFN
MDP0052
ISL29004IROZ-T7 (Note 4)
7” 8 Ld ODFN Tape and Reel
MDP0052
ISL29004IROZ-EVALZ
Evaluation Board (Pb-free)
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 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 ISL29004. For more information on MSL please see tech brief
TB466
4. Not recommended for new designs.
2 FN6221.1
November 17, 2011


Part Number ISL29004
Description Light-to-Digital Output Sensor
Maker Intersil Corporation
Total Page 17 Pages
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