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LX1970IDU

P1-P3P4-P6P7-P9P10-P10
Microsemi
Analog Mixed Signal Group
11861 Western Avenue, Garden Grove, CA. 92841, 714-898-8121, Fax: 714-893-2570
Page 7
Copyright © 2007
Rev. 1.5b, 2008-01-25
WWW.Microsemi .COM
LX1970
V
isible Li
g
ht Sensor
P
RODUCTION
D
ATA
S
HEET
INTEGRATED PRODUCTS
RESPONSE VS WAVELENGTH
I
SNK
STEP RESPONSE
0
2
4
6
8
10
12
14
16
00.51
Time (Seconds)
Amplitude (µW/cm
2
)
Load = 10kΩ and 1µF
Photo Step = Direct Light Input of 14.6µW/cm
2
SMALL SIGNAL FREQUENCY RESPONSE
DARK CURRENT VS TEMP
-45
-40
-35
-30
-25
-20
-15
-10
-5
0
10 100 1000 10000 100000
Frequency (Hz)
Amplitude (dB)
0.73µW/cm2
2.63µW/cm2
13.14µW/cm2
V
DD
= 3.0V, SNK , Three Light Levels, No Filtering
0.01
0.1
1
10
100
1000
25 40 55 70 85
Temperature (ºC)
Dark Current (nA)
VDD=5.5V
VDD=1.8V
SNK OUTPUT PSRR
GAIN VS TEMP
-120.00
-100.00
-80.00
-60.00
-40.00
-20.00
0.00
20.00
1 10 100 1000 10000 100000
Frequency (Hz)
Amplitude (dB)
2.63µW/cm2
13.14µW/cm2
V
DD
= 3.0V
Load = 10kΩ and 1µF to Ground
0.8
0.85
0.9
0.95
1
1.05
1.1
1.15
-50 0 50 100
Temperature (ºC)
Gain/Gain(25ºC)
y = 1.35E-03x + 9.64E-01
V
DD
= 3.0V
Direct Light Input of 13.14µW/cm
2
C
C
H
H
A
A
R
R
T
T
S
S
Microsemi
Analog Mixed Signal Group
11861 Western Avenue, Garden Grove, CA. 92841, 714-898-8121, Fax: 714-893-2570
Page 8
Copyright © 2007
Rev. 1.5b, 2008-01-25
WWW.Microsemi .COM
LX1970
V
isible Li
g
ht Sensor
P
RODUCTION
D
ATA
S
HEET
INTEGRATED PRODUCTS
VERTICAL DIRECTION RESPONSE
HORIZONTAL DIRECTION RESPONSE
1
1
SNK COMPLIANCE VS CURRENT
SRC COMPLIANCE VS CURRENT
0
20
40
60
80
100
120
140
0.1 0.2 0.3 0.4 0.5 0.6 0.7
SNK compliance Voltage (V)
Output Current (µA)
V
DD
= 3.0V
0
20
40
60
80
100
120
140
0.10.20.30.40.50.60.70.8
Source Compliance Voltage (VDD-SRC)
Output Current (µA)
V
DD
= 3.0V
SRC CURRENT VS LIGHT (LUX)
TYPICAL LOW AMBIENT RESPONSE
0
100
200
300
0 100 200 300
Light Input (LUX)
SRC Current (µA)
cool white
Incandescent
V
DD
= 5.0V; SRC = 10K & 4.7µF to GND
0.000
0.200
0.400
0.600
0.800
1.000
1.200
0 0.2 0.4 0.6 0.8 1
Ambient Light (lux)
Output Current (µA)
85°C 75°C 55°C <25°C
5V Input
C
C
H
H
A
A
R
R
T
T
S
S
Microsemi
Analog Mixed Signal Group
11861 Western Avenue, Garden Grove, CA. 92841, 714-898-8121, Fax: 714-893-2570
Page 9
Copyright © 2007
Rev. 1.5b, 2008-01-25
WWW.Microsemi .COM
LX1970
V
isible Li
g
ht Sensor
P
RODUCTION
D
ATA
S
HEET
INTEGRATED PRODUCTS
PACKAGE DIMENSIONS
DU
8-Pin Miniature Shrink Outline Package (MSOP)
A1
L
E
L1
E1
b
e
S
A
D
c
Θ
Top View
Side Views
MILLIMETERS INCHES
Dim
MIN MAX MIN MAX
A – 1.10 – 0.043
A1 0.05 0.15 0.002 0.006
b 0.26 0.41 0.010 0.016
c 0.13 0.23 0.005 0.009
D 2.90 3.10 0.114 0.122
e 0.65 BSC 0.025 BSC
E 4.75 5.05 0.187 0.198
E1 2.90 3.10 0.114 0.122
L 0.41 0.71 0.016 0.028
L1 0.95 BSC 0.037 BSC
S 0.525 BSC 0.021 BSC
Θ
3° 3°
Active Area
Required Minimum Light footprint
Bonding / Wafer area
Examination of
Active Area
Active Area
D
C
C
L
C
L
A
B
P1
MILLIMETERS INCHES
Dim
A 0.225 0.0088
B 0.145 0.0057
C 0.600 0.0236
D 0.612 0.0241
P1 2.5 0.98
Note:
C
L
is the center of the package
P1 represents a possible light footprint and its
dimensions are not subject to strict tolerances. Only the
active area of the device is required to be covered with
light. This larger footprint is designed to ensure
coverage of the device’s active area.
M
M
E
E
C
C
H
H
A
A
N
N
I
I
C
C
A
A
L
L
S
S
P1-P3P4-P6P7-P9P10-P10

LX1970IDU

Mfr. #:
Buy LX1970IDU
Manufacturer:
Microchip / Microsemi
Description:
Optical Sensors Ambient Light Sensors
Lifecycle:
New from this manufacturer.
Delivery:
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Payment:
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