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Ambient Light Sensor ICs
Analog Current Output Type
Ambient Light Sensor IC
BH1603FVC
No.12046EDT05
● Descriptions
BH1603FVC is an analog current output ambient light sensor. BH1603FVC is the most suitable to obtain the ambient light
data for adjusting LCD and Keypad backlight of Mobile phone for power saving and better visibility
● Features
1) Compact surface mount package 3.0 × 1.6 mm
2) Spectral sensitivity close to human eyes sensitivity.
3) Output current in proportion to brightness.
4) Minimum supply voltage 2.4V
5) Built-in shutdown function
6) 3 steps controllable output current gain.
7) 1.8V logic input interface
8) Low sensitivity variation (+/-15%)
● Applications
Mobile phone, LCD TV, PDP TV, Laptop PC, Portable game console, Digital camera, Digital video camera, PDA, LCD
display
● Absolute Maximum Ratings
Parameter
Supply Voltage
Operating Temperature
Storage Temperature
Iout Current
Power Dissipation
Symbol
Vmax
Topr
Tstg
Ioutmax
Pd
Limits
7
-40 ～ 85
-40 ～ 100
7.5
260 ※
Units
V
℃
℃
mA
mW
※ 70mm × 70mm × 1.6mm glass epoxy board. Derating at 3.47mW/ ℃ for operating above Ta=25 ℃ .
● Operating Conditions
V CC Voltage V CC
Parameter
Symbol
V CC
Min.
2.4
Typ.
3.0
Max. Units
5.5 V
● Electrical Characteristics ( VCC = 3.0V, Ta = 25 ℃ , unless otherwise noted )
Parameter Symbol Min. Typ. Max. Units
Supply Current1 (Operate)                 Icc1    51    74    97   uA
Conditions
Ev=100 lx (H-Gain Mode) ※
Supply Current2 (0 lx) Icc2 4.5 9
13.5 uA
Ev=0 lx (H-Gain Mode)
Supply Current3(Shutdown)               Icc3sd    -    0.2   0.4   uA
V GC1 =V GC2 =0 No Input Light
IOUT Output Current1 (Dark Current)
Iout1 - - 0.2 uA
Ev=0 lx
IOUT Output Current2                     Iout2    51    60    69   uA
Ev=100 lx (H-Gain Mode) ※
Peak Wave Length
λ p - 560 - nm
Incandescent/Fluorescent Light Current Ratio    rIF      -    1.0    -   times
Ev=100 lx
Saturated Output Voltage V OMAX
2.6 2.9 3.0 V
Ev=100 lx, RL=220k ? (H-Gain Mode) ※
GC1, GC2 Input ‘L’ Voltage V IL
0 - 0.4
V
GC1,GC2 Input ‘H’ Voltage1 V IH1
GC1,GC2 Input ‘H’ Voltage2 V IH2
1.4 - Vcc V
2.0 - Vcc V
2.4V ≦ V CC ≦ 3.6V
3.6V ＜ V CC ≦ 5.5V
Wake-up Time                            twu     -    45   128   us
Gain Ratio H-Gain Mode/M-Gain Mode        rHM    9.5   10   10.5 times
Gain Ratio M-Gain Mode/L-Gain Mode rML 9.5 10 10.5 times
※ White LED is used as optical source
Shutdown → H-Gain Mode ,Ev=100lx ※
Ev=100lx ※
Ev=100lx ※
www.rohm.com
? 2012 ROHM Co., Ltd. All rights reserved.
1/8
2012.02 - Rev.D
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