ALS-PDIC17-57B-TR8 Datasheet, PDF (4/19 Pages) Everlight Electronics Co., Ltd – Surface - Mount I2C Digital Ambient Light Sensor

Surface - Mount
I²C Digital Ambient Light Sensor
ALS-PDIC17-57B/TR8
Electrical and Optical Characteristics (Ta=25℃, V_DD=3.3V)
Parameter
Symbol Test Conditions Min. Typ. Max. Units
Supply current
I²C output low voltage
I_DD
Active mode
-
0.4
0.5
mA
I_DDQ Power-down mode
-
-
0.1
uA
V_OL
Io = 4mA
-
-
0.4
V
Detection limit
Full scale
Tint = 100mS
-
-
32,767 counts
-
-
44,200
Lux
Peak sensitivity
wavelength
λ_p
-
580
-
nm
Response in dark
environment
R_dark
Ev= 0lux,
Tint = 100mS
-
-
1
count
Response to fluorescent
lamp [Note1]
R_frst
Ev= 100lux
Tint = 100mS
44
73
102
counts
Response to incandescent
Ricd
lamp [Note2]
Ev= 100lx
Tint = 100mS
65
108
151
counts
Note:
1. Fluorescent light (Color Temperature = 6500K) is used as light source. However, White LED is substituted
in mass production.
2. Illuminance by CIE standard illuminant-A 2856K of incandescent lamp.
DC Characteristics of I²C Signals in Standard and Fast Mode
Parameter
Symbol
Standard Mode
Min.
Max.
Fast Mode
Min.
Max.
Power supply voltage (recommend)
V_DD
2.7
5.5
2.7
5.5
Low level input voltage
V_IL
-0.5
1.0
-0.5
1.0
High level input voltage
V_IH
V_DDx0.6
[Note3]
V_DDx0.6
[Note3]
Hysteresis of Schmitt trigger inputs
(V_DD > 2V)
V_hys
0.05V_DD
-
0.05V_DD
-
Low level output voltage
(open drain) at 3mA sink current
(V_DD > 2V)
Output fall time from V_IHMIN to
V_ILMAX with a bus capacitance from
10pF to 400pF
V_OL1
t_of
0
0.4
0
0.4
250
20+0.1Cb
250
-
[Note2]
[Note1]
[Note2]
Input current of each IO pins with
an input voltage between 0.1V_DD
I_I/P
-10
10
-10
10
and 0.9V_DD
Capacitance for each IO pin
C_i
-
10
-
10
Unit
V
V
V
V
V
ns
uA
pF
Everlight Electronics Co., Ltd.
Document No: DLS-00000xx Rev0.1
4
http://www.everlight.com
Jun. 22, 2011