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參數(shù)資料
| 型號： | S8040 |
| 元件分類： | 光電元器件 |
| 英文描述： | LOGIC OUTPUT PHOTO DETECTOR |
| 封裝： | MINIATURE, PLASTIC PACKAGE-10 |
| 文件頁數(shù)： | 1/2頁 |
| 文件大小： | 135K |
| 代理商： | S8040 |
S8040 is a light modulation photo IC consisting of a dual photodiode and a control/processing circuit integrated on a single chip. When used with
an infrared LED and light emitting/receiving lenses, S8040 detects the distance (near or far) to an object based on a prespecified distance by
utilizing the triangular distance measurement method. S8040 can be operated in 2 modes: self-running mode and single trigger mode. Current
consumption during standby (no distance detection) is held to 20 A Max. Average current consumption is minimized by setting a longer
measurement cycle.
Self-running mode: Operates with a measurement cycle proportional to the external capacitor value. (250 ms Typ. at 0.1 F)
Single trigger mode: Detects the distance only when a trigger pulse is input to the TRIG terminal.
Features
l Detects distance (far/near) to object
l Energy saving operation
l Operation mode switching function
l Visible-cut plastic package impervious to background light
l Miniature plastic package
Applications
l Optical switch
PHOTO
IC
Photo IC for rangefinder
Photo IC for far/near detection (with energy saving mode)
S8040
s Absolute maximum ratings (Ta=25 °C)
Parameter
Symbol
Value
Unit
Supply voltage
Vcc
-0.5 to +7.0
V
Output voltage
Vo
-0.5 to Vcc+0.5
V
Output current
Io
150
A
E xte rnal cap acitor term ina l voltage
VCEXT
-0.5 to Vcc+0.5
V
Trigger terminal voltage
VTRIG
-0.5 to Vcc+0.5
V
LED terminal voltage
VLED
-0.5 to Vcc+0.5
V
Power dissipation
P
250 *
mW
Operating temperature
Topr
-20 to +70
°C
Storage temperature
Tstg
-30 to +80
°C
Soldering
-
230 °C, 3 s
-
* Derate power dissipation at a rate of -3.3 mW/°C above Ta=25 °C
s Electrical and optical characteristics (Ta=25 °C, Vcc=5 V, unless otherwise noted)
Parameter
Symbol
Condition
Min.
Typ.
Max.
Unit
Peak sensitivity wavelength
λp
-
850
-
nm
Photo sensitivity
S
λ=900 nm
-
0.3
-
A/W
Supply voltage
Vcc
4
5
6
V
C urrent consu m ption during m easurem ent
Icc
-
3
5
mA
C urrent consum ption during standby
ISTB
No background light
-
20
A
High level LED output voltage
VLEDH
Source 10 mA
1.2
1.4
1.6
V
Low level LED output voltage
VLEDL
LED terminal open
-
0.3
V
High level LED pulse width
Tw
4.6
7
10.5
s
Measurement time
TS
Self-running, single trigger
69
105
158
s
Measurement cycle
TB
Self-running, Cext=0.1 F
150
250
350
ms
T h re shold input d iffe rentia l current
ITH
No background light
2.5
5
10
nA
Allowable background light
Ex
Between channels < 500 lx
3000
-
lx
Low level output voltage
Vol
Sink 100 A
-
0.2
V
High level output voltage
Voh
Source 100 A
2.2
-
V
1
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