2.5V TO 3.3V
ISL29010
R1 R2
10k 10k
1.8V TO 5.5V
I2C MASTER
MICROCONTROLLER
SDA
SCL
C1
C2
4.7µF 0.1µF
I2C SLAVE_0
1 VDD
SDA 6
2 GND
SCL 5
3 REXT
A0 4
REXT ISL29010
100kΩ
I2C SLAVE_1
SDA
SCL
I2C SLAVE_n
SDA
SCL
FIGURE 6. ISL29010 TYPICAL CIRCUIT
Typical Performance Curves (REXT = 100kΩ)
1.2
HUMAN EYE RESPONSE
1.0
0.8
0.6
ISL29010 RESPONSE
0.4
0.2
0.0
-0.2
300 400
600
800
WAVELENGTH (nm)
1.0k 1.1k
FIGURE 7. SPECTRAL RESPONSE
RADIATION PATTERN
LUMINOSITY
20° 10° 0°
30°
ANGLE 40°
50°
10° 20°
30°
40°
50°
60°
60°
70°
70°
80°
80°
90°
90°
0.2 0.4 0.6 0.8 1.0
RELATIVE SENSITIVITY
FIGURE 8. RADIATION PATTERN
1.2
1.0
SUN
0.8
HALOGEN
0.6
INCANDESCENT
0.4
FLUORESCENT
0.2
0
300 400 500 600 700 800 900 1000 1100
WAVELENGTH (nm)
FIGURE 9. SPECTRUM OF LIGHT SOURCES FOR
MEASUREMENT
10
320
TA = +27°C
306
5000 lux
292
278
200 lux
264
250
2.0
2.3
2.6
2.9
3.2
3.5
3.8
SUPPLY VOLTAGE (V)
FIGURE 10. SUPPLY CURRENT vs SUPPLY VOLTAGE
FN6414.0
February 13, 2008