ISL29125_14 Datasheet, PDF (5/17 Pages) Intersil Corporation – Digital Red, Green and Blue Color Light Sensor with IR Blocking Filter

ISL29125
SDA vs SCL Timing
t_F
t_HIGH
t_LOW
t_R
SCL
t_SU:STA
SDA
(INPUT TIMING)
SDA
(OUTPUT TIMING)
t_SU:DAT
t_HD:STA
t_HD:DAT
FIGURE 3. I²C BUS TIMING
t_AA
t_DH
t_HD:STO
t_SU:STO
t_BUF
SCL
SDA
8TH BIT OF LAST BYTE
ACK
t_WC
STOP
CONDITION
FIGURE 4. I²C WRITE CYCLE TIMING
START
CONDITION
Typical Performance Curves
2.0
1.8
NORMALIZED TO GREEN
1.6
1.4
RED
1.2
GREEN
BLUE
1.0
1931 STD RED
0.8
1931 STD GREEN
0.6
1931 STD BLUE
0.4
0.2
0.0
350 380 410 440 470 500 530 560 590 620 650 680 710 740 770 800 830
WAVELENGTH
FIGURE 5. NORMALIZED SPECTRAL RESPONSE FOR AMBIENT
LIGHT SENSING
1.2
1.0
RED
0.8
GREEN
0.6
BLUE
0.4
0.2
0
-90 -80 -70 -60 -50 -40 -30 -20 -10 0 10 20 30 40 50 60 70 80 90
ANGLE (°θ)
FIGURE 6. RADIATION PATTERN
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5
FN8424.2
January 24, 2014