ISL76683,ISL76683AROZ-T7

Part No.:
ISL76683,ISL76683AROZ-T7
Download:
Download
Description:
Light-to-Digital Output Sensor with Gain Selection, Interrupt Function
File Size:
588 K
Page:
17 Pages
Logo:
Maker:
INTERSIL [ INTERSIL CORPORATION ]
PCB Prototype

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PCB Datasheet:1PCB Datasheet:1
Light-to-Digital Output Sensor with Gain Selection,
Interrupt Function and I
2
C Interface
ISL76683
The ISL76683 is an integrated light sensor with an internal
integrating ADC intended for automotive applications. The ADC
provides 16-bit resolution and is capable of rejecting 50Hz and
60Hz flicker caused by artificial light sources. The I
2
C interface
provides four user programmable lux sensitivity ranges for
optimized counts/lux in a variety of lighting conditions. In
addition, the I
2
C interface provides multi-function control of the
sensor and remote monitoring capabilities.
In normal operation, power consumption is less than 300µA.
Furthermore, a software power-down mode controlled via the I
2
C
interface reduces power consumption to less than 1µA.
The ISL76683 supports twin (upper & lower) user programmed
thresholds and provides a hardware interrupt that remains
asserted low until the host clears it via the I
2
C control interface.
Designed to operate on supplies from 2.5V to 3.3V, the ISL76683 is
qualified to AECQ100 and specified for operation over the -40°C to
+105°C (grade 2) ambient temperature range. To achieve this, the
ISL76683 is packaged in a special extended temperature clear
package.
Features
• Range select via I
2
C
- Range 1 = 0 lux to 1000 lux
- Range 2 = 0 lux to 4000 lux
- Range 3 = 0 lux to 16,000 lux
- Range 4 = 0 lux to 64,000 lux
• Human Eye Response (540nm Peak Sensitivity)
• Temperature Compensated
• 16-bit Resolution
• Adjustable Sensitivity: up to 65 Counts per Lux
• User-programmable Upper and Lower Threshold Interrupt
• Simple Output Code, Directly Proportional to Lux
• IR + UV Rejection
• 50Hz/60Hz Rejection
• 2.5V to 3.3V Supply
• 6 Ld ODFN (2.1mmx2mm)
• Pb-free (RoHS compliant)
Applications
• Automotive Ambient Light Sensing
• Backlight Control
• Lighting Controls
VDD
1
PHOTODIODE 1
GAIN/RANGE
INT TIME
MODE
SHDN
COMMAND
REGISTER
DATA
REGISTER
5
SCL
SDA
MUX
INTEGRATING
ADC
PHOTODIODE 2
IREF
FOSC
EXT
TIMING
I
2
C
6
INT
2
16
COUNTER
INTERRUPT
4 INT
3
REXT
2
GND
ISL76683
FIGURE 1. BLOCK DIAGRAM
January 31, 2011
FN7697.1
1
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.
1-888-INTERSIL or 1-888-468-3774
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Copyright Intersil Americas Inc. 2011. All Rights Reserved
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.