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參數(shù)資料
| 型號： | LX1974IBC |
| 廠商： | MICROSEMI CORP-ANALOG MIXED SIGNAL GROUP |
| 元件分類： | 光電元器件 |
| 英文描述： | Ambient Light Detector |
| 中文描述： | LOGIC OUTPUT PHOTO DETECTOR |
| 封裝： | ROHS COMPLIANT, PLASTIC, 1206, 2 PIN |
| 文件頁數(shù)： | 4/9頁 |
| 文件大?。?/td> | 352K |
| 代理商： | LX1974IBC |
LX1974
P
RODUCTION
D
ATA
S
HEET
Microsemi
Integrated Products Division
11861 Western Avenue, Garden Grove, CA. 92841, 714-898-8121, Fax: 714-893-2570
Page 4
W
M
.
C
Ambient Light Detector
Copyright
2005
Rev. 1.0, 2006-05-09
TM
E L E C T R I C A L C H A R A C T E R I S T I C S
Unless otherwise specified, the following specifications apply over the operating ambient temperature -40
°
C
≤
T
A
≤
85
°
C except where
otherwise noted and the following test conditions: See Note 1, V
DD
=5V, R
SS
= 10K
LX1974
Typ
Parameter
Symbol
Test Conditions
Min
Max
Units
`
RESPONSE
Peak Spectral Response
λ
PR
(
DD
λ
E
V(550nm)
= 292
μ
W/cm
2
,
Current responsivity
change with additional direct light input of
292
μ
W/cm
2
at 910nm,
Note 3
E
V
= 14.6
μ
W/cm
2
, I
SS
= 10
μ
A
E
V
= 146
μ
W/cm
2
, I
SS
= 100
μ
A
E
V
= 292
μ
W/cm
2
, I
SS
= 200
μ
A
E
V
= 14.6
μ
W/cm
2
(100 lux), Note 2
E
V
= 146
μ
W/cm
2
(1K lux), Note 2
E
V
= 292
μ
W/cm
2
(2K lux), Note 2
14.6
μ
W/cm
2
≤
E
V
≤
146
μ
W/cm
2
@ 25°C
E
V
= 0
μ
W/cm
2
, T
A
= 25
°
C
E
V
= 0
μ
W/cm
2
V
RIPPLE
= 10mV
P-P
, f = 10kHz
520
nm
Infrared Response
)
(
I
)
I
PR
DD
λ
-5
1
5
%
1.2
1.8
2.2
10
100
200
0.010
-25
0.04
1.4
2.1
2.6
12.5
125
250
15
50
200
Minimum Operational Voltage
V
DD
-V
SS
V
7.5
75
150
-15
Light Current
I
SS
μ
A
Gain Linearity
%
Dark Current
I
DD(DARK)
nA
Power Supply Rejection Ratio
Radiant Sensitive Area
Notes:
1.
The input irradiance (E
V
) is supplied from a white light-emitting diode (LED) optical source adjusted to impose the specified E
V
at a
peak
λ
= 550nm.
2.
See Figure 1.
3.
See Figure 2.
PSRR
dB
mm
2
T E S T C I R C U I T S
LX1974
V
SS
V
DD
White
LED
10k
Ω
Figure 1 –
Operational Voltage Measurement Circuit
LX1974
V
SS
V
DD
White
LED
910nm
10k
Ω
Figure 2 –
IR Sensitivity Measurement Circuit
E
L
E
C
T
R
I
C
A
L
S
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