ISL29003IROZ-T7 Intersil, ISL29003IROZ-T7 Datasheet - Page 12

• Manufacturer Part Number: ISL29003IROZ-T7
• Description: IC SENSOR LIGHT-DGTL I2C 6-ODFN
• Manufacturer: Intersil

Specifications of ISL29003IROZ-T7

• Wavelength: 540nm
• Output Type: I²C™
• Package / Case: 6-ODFN
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: ISL29003IROZ-T7TR

Suggested PCB Footprint
Footprint pads should be a nominal 1-to-1 correspondence
with package pads. Since ambient light sensor devices do
not dissipate high power, heat dissipation through the
exposed pad is not important; instead, similar to DFN or
QFN, the exposed pad provides robustness in board mount
process. Intersil recommends mounting the exposed pad to
the PCB, but this is not mandatory.
Layout Considerations
The ISL29003 is relatively insensitive to layout. Like other
I
even in significantly noisy environments. There are only a
few considerations that will ensure best performance.
Route the supply and I
sources of noise. Use two power-supply decoupling
capacitors, 4.7µF and 0.1µF, placed close to the device.
2
C devices, it is intended to provide excellent performance
2.5V TO 3.3V
C1
4.7µF
C2
0.1µF
REXT
100k
2
C traces as far as possible from all
1
2
3
12
I
VDD
GND
REXT
2
C SLAVE_0
ISL29003
2.00mm
SDA
SCL
INT
6
5
4
FIGURE 6. SENSOR LOCATION DRAWING
FIGURE 7. ISL29003 TYPICAL CIRCUIT
0.29mm
1
2
3
10k
R1
ISL29003
I
R2
10k
2
C SLAVE_1
R3
RES1
0.46mm
2.10mm
SDA
SCL
Typical Circuit
A typical application for the ISL29003 is shown in Figure 7.
The ISL29003’s I
1000100. The device can be tied onto a system’s I
together with other I
Soldering Considerations
Convection heating is recommended for reflow soldering;
direct-infrared heating is not recommended. The plastic
ODFN package does not require a custom reflow soldering
profile, and is qualified to +260°C. A standard reflow
soldering profile with a +260°C maximum is recommended.
1.8V TO 5.5V
6
5
4
I
2
0.56mm
C SLAVE_n
2
C address is internally hardwired as
2
C compliant devices.
SDA
SCL
MICROCONTROLLER
SDA
SCL
I
2
C MASTER
August 8, 2008
2
C bus
FN7464.5