ISL29009 Datasheet, PDF (3/7 Pages) Intersil Corporation – Non-Linear Output Current, Low Power Ambient Light Photo Detect IC

ISL29009
Electrical Specifications V_DD = 3V, T_A = +25°C, EN = 0, R_L = 100kΩ at IOUT pin, green LED light, unless otherwise specified.
(Continued)
PARAMETER
DESCRIPTION
CONDITION
MIN
TYP
MAX UNIT
t_EN
Enable Time
t_DIS
Disable Time
NOTE:
1. Switching time measurement is based on Figures 1 and 2.
R_L = 100kΩ, E = 100 lux
R_L = 100kΩ, E = 100 lux
20
µs
200
µs
POWER SUPPLY
OR
SOURCE METER
V_DD
FUNCTION
GENERATOR
ISL29009
V_OUT
R_L
INPUT
LIGHT
10% 90%
t_R
t_S
OUTPUT
90%
t_F%
10%
FIGURE 1. TEST CIRCUIT FOR RISE/FALL TIME
MEASUREMENT
t_D
FIGURE 2. TIMING DIAGRAM
Typical Performance Curves
1.2
HUMAN EYE RESPONSE
1.0
0.8
0.6
LIGHT SENSOR RESPONSE
0.4
0.2
0.0
-0.2
400
600
800
1.0k
WAVELENGTH (nm)
FIGURE 3. SPECTRAL RESPONSE
1.2
FLUORESCENT
1.0
INCANDESCENT
0.8
SUN
0.6
HALOGEN
0.4
WLED
0.2
0
300 400 500 600 700 800 900 1000 1100
WAVELENGTH (nm)
FIGURE 4. SPECTRUM OF LIGHT SOURCES
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 5. RADIATION PATTERN
3
FN6484.0
July 1, 2008