BH1603FVC_12 Datasheet, PDF (1/12 Pages) Rohm – Analog Current Output Type Ambient Light Sensor IC

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
Symbol
Limits
Units
Supply Voltage
Vmax
7
V
Operating Temperature
Topr
-40～85
℃
Storage Temperature
Tstg
-40～100
℃
Iout Current
Ioutmax
7.5
mA
Power Dissipation
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
Supply Current1 (Operate)
Icc1 51 74 97 uA
Supply Current2 (0 lx)
Icc2 4.5 9 13.5 uA
Supply Current3(Shutdown)
Icc3sd - 0.2 0.4 uA
IOUT Output Current1 (Dark Current)
Iout1
-
- 0.2 uA
IOUT Output Current2
Iout2 51 60 69 uA
Peak Wave Length
λp
- 560 - nm
Incandescent/Fluorescent Light Current Ratio rIF
- 1.0 - times
Saturated Output Voltage
GC1, GC2 Input ‘L’ Voltage
GC1,GC2 Input ‘H’ Voltage1
GC1,GC2 Input ‘H’ Voltage2
V_OMAX 2.6 2.9 3.0 V
V_IL
0
- 0.4 V
V_IH1
1.4
- Vcc V
V_IH2
2.0
- Vcc V
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
Conditions
Ev=100 lx (H-Gain Mode) ^※
Ev=0 lx (H-Gain Mode)
V_GC1=V _GC2=0 No Input Light
Ev=0 lx
Ev=100 lx (H-Gain Mode) ^※
Ev=100 lx
Ev=100 lx, RL=220kΩ(H-Gain Mode)^※
2.4V ≦ V_CC ≦ 3.6V
3.6V ＜ V_CC ≦ 5.5V
Shutdown→H-Gain Mode ,Ev=100lx^※
Ev=100lx ^※
Ev=100lx ^※
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2012.02 - Rev.D