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ROHM Semiconductor - Analog Current Output Type Ambient Light Sensor IC

Numéro de référence BH1680FVC
Description Analog Current Output Type Ambient Light Sensor IC
Fabricant ROHM Semiconductor 
Logo ROHM Semiconductor 





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BH1680FVC fiche technique
Ambient Light Sensor ICs
Analog Current Output Type
Ambient Light Sensor IC
BH1680FVC
No.12046EBT14
Descriptions
BH1680FVC is an analog current output ambient light sensor. This IC can detect the illuminance from 0lx to 50000lx. It 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. It is suitable also for the use of optical window that the visible light transmission is low because of the high
sensitivity type.
Features
1) Compact surface mount package 1.6 x 1.6 mm
2) Output current in proportion to brightness
3) Suitable for optical window that the visible light transmission is low (High sensitivity type)
4) The influence of infrared is very small by an infrared cut filter
5) Supply voltage operates from 2.4V to 5.5V
6) Built-in shutdown function
7) 3 steps controllable output current gain
8) 1.8V logic input interface
9) Low sensitivity variation (+/-15%)
Applications
Mobile phone, LCD TV, PDP TV, Laptop PC, Portable game console, Digital camera, Digital video camera, LCD display
Absolute Maximum Ratings
Parameter
Symbol
Limits
Units
Supply Voltage
Vmax
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7
V
Operating Temperature
Topr
-40~85
Storage Temperature
Tstg
-40~100
Iout Current
Ioutmax
7.5
mA
Power Dissipation
Pd
165
mW
70mm × 70mm × 1.6mm glass epoxy board. Derating at 2.2 mW/for operating above Ta=25.
Operating Conditions
Parameter
VCC Voltage
Symbol Min. Typ. Max. Units
Vcc 2.4 3.0 5.5
V
Electrical Characteristics ( VCC = 3.0V, Ta = 25, unless otherwise noted )
Parameter
Symbol Min.
Typ. Max.
Supply Current1 ( Operate )
Icc1 51.9 75 105
Supply Current2 ( 0 lx )
Icc2 4.5
9 13.5
Supply Current3 ( Shutdown )
Icc3sd
-
0.2 0.4
IOUT Output Current1(Dark Current) Iout1
-
- 0.2
IOUT Output Current2
Iout2
51.9
61
70.1
Peak Wave Length
λp - 530 -
Saturated Output Voltage
GC1,GC2 Input ‘L’ Voltage
GC1,GC2 Input ‘H’ Voltage1
GC1,GC2 Input ‘H’ Voltage2
Wake-up Time
VOMAX
2.6
2.9
3.0
VIL 0
- 0.4
VIH1
1.4
-
Vcc
VIH2
2.0
-
Vcc
twu -
13 52
Gain Ratio
H-Gain Mode/M-Gain Mode
Gain Ratio
M-Gain Mode/L-Gain Mode
White LED is used as optical source
rHM 8
rML 8
10 12
10 12
Units
µA
µA
µA
µA
µA
nm
V
V
V
V
µs
times
times
Conditions
Ev=10 lx (H-Gain Mode)
Ev=0 lx (H-Gain Mode)
VGC1=V GC2=0 No Input Light
Ev=0 lx
Ev=10 lx (H-Gain Mode)
Ev=10 lx, RL=220kΩ
(H-Gain Mode)
2.4V VCC 3.6V
3.6V VCC 5.5V
Shutdown H-Gain Mode
Ev=100lx
Ev=10lx
Ev=10lx
www.rohm.com
© 2012 ROHM Co., Ltd. All rights reserved.
1/8
2012.02 - Rev.B
Datasheet pdf - http://www.DataSheet4U.net/

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