BH1603FVC Datasheet, PDF (1/9 Pages) Rohm – Analog Current Output Type Ambient Light Sensor IC

Ambient Light Sensor IC Series
Analog Current Output Type
Ambient Light Sensor IC
BH1603FVC
No.10046EBT05
●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, Car navigation,
PDA, LCD display
●Absolute Maximum Ratings
Parameter
Symbol
Limits
Units
Supply Voltage
Vmax
7
V
Operating Temperature
Topr
-40～85
℃
Storage Temperature
Tstg
-40～100
℃
Iout Current
Power Dissipation
Ioutmax
7.5
mA
Pd
260^※
mW
※ 70mm × 70mm × 1.6mm glass epoxy board. Derating at 3.47mW/℃ for operating above Ta=25℃.
●Operating Conditions
Parameter
VCCVoltage V_CC
Symbol Min. Typ. Max. Units
V_CC
2.4 3.0 5.5 V
●Electrical Characteristics ( VCC = 3.0V, Ta = 25℃, unless otherwise noted )
Parameter
Symbol Min. Typ. Max. Units
Conditions
Supply Current1 (Operate)
Icc1 51 74 97 uA 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
Peak Wave Length
Iout2
λp
51 60 69 uA Ev=100 lx (H-Gain Mode) ^※
- 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=220kΩ(H-Gain Mode)^※
GC1, GC2 Input ‘L’ Voltage
V_IL
0
- 0.4 V
GC1,GC2 Input ‘H’ Voltage1
V_IH1
1.4
- Vcc V 2.4V ≦ V_CC ≦ 3.6V
GC1,GC2 Input ‘H’ Voltage2
Wake-up Time
V_IH2
2.0
- Vcc V 3.6V ＜ V_CC ≦ 5.5V
twu
- 45 128 us Shutdown→H-Gain Mode ,Ev=100lx^※
Gain Ratio H-Gain Mode/M-Gain Mode
rHM 9.5 10 10.5 times Ev=100lx ^※
Gain Ratio M-Gain Mode/L-Gain Mode
rML 9.5 10 10.5 times Ev=100lx ^※
※ White LED is used as optical source
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2010.03 - Rev.B