lx1973a Microsemi Corporation, lx1973a Datasheet - Page 3

• Manufacturer Part Number: lx1973a
• Description: Automotive Light Sensor
• Manufacturer: Microsemi Corporation

Copyright © 2005
Rev. 1.1, 2006-12-15
Unless otherwise specified, the following specifications apply over the operating ambient temperature -40°C
otherwise noted and the following test conditions: See Note 1, V
Notes:
Operational Voltage
Supply Current
Power Supply Rejection Ratio
Peak Spectral Response
Infrared Response
Light to Current Gain
Saturation Current
Radiant Sensitive Area
Flat Top Package (note 5)
Output Current
Output Current
Output Current
Output Current
Dark Current (equivalent lux)
Dynamic Response Time
(to 10% settling error point)
Output Current
Output Current
Output Current
Output Current
Dark Current (equivalent lux)
Dynamic Response Time
(to 10% settling error point)
Reverse Form Package (note 6)
1. The input irradiance is supplied from a point source which is a white light emitting diode (LED); Fairchild Semiconductor part number
2. See Figure 2.
3. See Figure 3.
4. Dark Current equivalent lux at 0 lux:
5. For Flat Top (DU Package), I
6. For Reverse Form (DR Package): I
MV8W00.
TM
Parameter
11861 Western Avenue, Garden Grove, CA. 92841, 714-898-8121, Fax: [phone]
REF
I
I
Symbol
I
OUT (DARK)
OUT (DARK)
= 5824µA.
I
I
I
I
DD
I
I
OUT(0.01)
I
OUT(0.01)
I
PSRR
I
OUT(100)
OUT(100)
OUT(1.0)
OUT(1.0)
OUT(10)
OUT(10)
DD
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
V
I
T
T
REF
λ
I
(
G
SAT
DD
λ
DD
PR
DR
DR
(
EL
L
λ
PR
= 5985µA
)
=
)
⎡
⎢
⎣
I
I
OUT
REF
EV = 1.0 lux
V
E
Note 3
See application section for equation
E
E
E
E
E
E
1.0 lux to 0.01 lux
0.01 lux to 1.0 lux
E
E
E
E
E
E
1.0 lux to 0.01 lux
0.01 lux to 1.0 lux
RIPPLE
V(white)
V
V
V
V
V
V
V
V
V
V
V
V
Integrated Products Division
⎤
⎥
⎦
= 0.01 lux @ 25°C, Note 1,2
= 1.0 lux, Note 1,2
= 10 lux, Note 1,2
= 100 lux, Note 1,2
= 0 lux, T
= 0 lux, T
= 0.01 lux @ 25°C, Note 1,2
= 1.0 lux, Note 1,2
= 10 lux, Note 1,2,
= 100 lux, Note 1,2
= 0 lux, T
= 0 lux, T
4
÷
®
(
146
Microsemi
= 100mV
= 100 lux, E
×
10
A
A
A
A
DD
−
Test Conditions
= 20°C, Note 4
= 50°C, Note 4
= 20°C, Note 4
= 50°C, Note 4
9
)
=5V.
P-P
, f = 10kHz; C
V(810nm)
= 14.6µW/cm,
Automotive Light Sensor
P
RODUCTION
OUT
= 0.1µF
D
Min
570
103
183
320
105
187
333
ATA
4.5
30
32
32
-5
≤
S
LX1973A
HEET
T
2100
2100
0.20
Typ
A
580
114
203
360
450
117
208
370
450
0.2
1.5
0.2
1.5
0.2
35
36
36
1
≤
85°C except where
5000
5000
Max
0.25
125
223
400
900
128
229
407
900
5.5
0.5
0.5
40
40
LX1973A
5
3
3
Units
µLux
µLux
mm
mA
sec
sec
sec
sec
nm
dB
µA
µA
µA
µA
µA
µA
µA
%
V
2
Page 3