BH1721FVC-TR Rohm Semiconductor, BH1721FVC-TR Datasheet - Page 2

• Manufacturer Part Number: BH1721FVC-TR
• Description: Industrial Optical Sensors Ambient Light Sensor Digital 16bit Serial
• Manufacturer: Rohm Semiconductor
• Type: Ambient Light Sensor with Digital Outputr

Specifications of BH1721FVC-TR

• Product: Ambient Light Sensor
• Wavelength: 560nm
• Output Type: I²C™
• Package / Case: SOT-665
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

●Electrical Characteristics ( VCC = 3.0V, DVI = 3.0V, Ta = 25℃, unless otherwise noted )
© 2010 ROHM Co., Ltd. All rights reserved.
BH1721FVC
www.rohm.com
Supply Current
Powerdown Current
Peak Wave Length
Measurement Accuracy
Dark ( 0 lx ) Sensor out
H-Resolution Mode Resolution
L-Resolution Mode Resolution
H-Resolution Mode Measurement Time
L-Resolution Mode Measurement Time
Incandescent / Fluorescent Sensor out ratio
DVI Input ‘L’ Voltage
SCL, SDA Input ‘H’ Voltage 1
SCL, SDA Input ‘H’ Voltage 2
SCL, SDA Input ‘L’ Voltage 1
SCL, SDA Input ‘L’ Voltage 2
SCL, SDA, Input ‘H’ Current
SCL, SDA, Input ‘L’ Current
I
I
I
I
I
I
I
I
I
I
I
I
※1 White LED is used as optical source.
※2 Measurement Accuracy typical value is possible to change '1' by "Measurement result adjustment function".
※3 Use H-Resolution Mode if dark data ( less than 20 lx ) is need.
2
2
2
2
2
2
2
2
2
2
2
2
C SCL Clock Frequency
C Bus Free Time
C Hold Time ( repeated ) START Condition
C Set up time for a Repeated START Condition tSUSTA
C Set up time for a Repeated STOP Condition
C Data Hold Time
C Data Valid Time
C Data Valid Acknowledge Time
C Data Setup Time
C ‘L’ Period of the SCL Clock
C ‘H’ Period of the SCL Clock
C SDA Output ‘L’ Voltage
Parameter
tSUSTO
tHDDAT
tVDACK
tHDSTA
tVDDAT
tSUDAT
Symbol
tHIGH
VDVL
tLOW
tBUF
VIH1
VIH2
fSCL
VIL1
VIL2
VOL
Icc1
Icc2
rHR
S/A
rLR
tHR
tLR
S0
rIF
IIH
IIL
λp
0.7 * DVI
2/15
1.02
1.26
Min.
100
0.6
0.6
1.3
0.6
0.6
1.3
－
－
－
－
－
－
－
－
－
－
－
－
－
－
－
－
0
0
0
Typ.
0.01
140
560
120
1.2
16
－
－
－
－
－
－
－
－
－
－
－
－
－
－
－
－
－
－
－
0
1
8
1
DVI – 1.26
0.3 * DVI
Max.
1.38
199
180
400
1.0
0.4
0.9
0.9
0.4
24
10
10
－
－
－
－
－
－
－
－
－
－
－
－
－
－
2
times
count H-Resolution Mode
times EV = 1000 lx
Units Conditions
kHz
nm
ms
ms
µA
µA
µA
µA
µs
µs
µs
µs
µs
µs
µs
ns
µs
µs
lx
lx
V
V
V
V
V
V
Ev = 100 lx
No input Light
Sensor out / Actual lx
EV = 1000 lx
DVI ≧ 1.8V
1.65V ≦ DVI ＜ 1.8V
DVI ≧ 1.8V
1.65V ≦ DVI ＜ 1.8V
IOL = 3 mA
Technical Note
2010.02 - Rev.A
※
1
※
1,
※
2
※
3