LX1972IBC-TR Microsemi Analog Mixed Signal Group, LX1972IBC-TR Datasheet - Page 4

• Manufacturer Part Number: LX1972IBC-TR
• Description: IC AMBIENT LIGHT DETECTOR 1206
• Manufacturer: Microsemi Analog Mixed Signal Group

Specifications of LX1972IBC-TR

• Wavelength: 520nm
• Output Type: Current
• Package / Case: 1206 (3216 Metric)
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: LX1972IBCTR

Copyright © 2004
Rev. 1.1b, 2005-10-31
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
White
Notes:
LED
RESPONSE
Peak Spectral Response
Infrared Response
Minimum Operational Voltage
Light Current
Gain Linearity
Dark Current
Power Supply Rejection Ratio
Radiant Sensitive Area
Figure 1 – Operational Voltage Measurement Circuit
1.
2.
3.
TM
The input irradiance (E
peak λ = 550nm.
See Figure 1.
See Figure 2.
Parameter
11861 Western Avenue, Garden Grove, CA. 92841, 714-898-8121, Fax: [phone]
10kΩ
V
) is supplied from a white light-emitting diode (LED) optical source adjusted to impose the specified E
LX1972
V
Symbol
I
V
I
DD
DD(DARK)
PSRR
I
DD
DD
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
λ
(
I
SS
λ
PR
(
-V
λ
PR
)
SS
)
E
change with additional direct light input of
292μW/cm
E
E
E
E
E
E
14.6μW/cm
E
E
V
V(550nm)
V
V
V
V
V
V
V
V
RIPPLE
Integrated Products Division
= 14.6μW/cm
= 146μW/cm
= 292μW/cm
= 14.6μW/cm
= 146μW/cm
= 292μW/cm
= 0μW/cm
= 0μW/cm
T E S T C I R C U I T S
®
Microsemi
= 10mV
= 292μW/cm
V
2
SS
2
at 910nm,
DD
≤ E
2
2
Test Conditions
, T
=5V, R
P-P
2
2
2
2
V
2
2
, I
, I
, Note 2
, Note 2;
A
, I
, Note 2
, f = 10kHz
≤ 146μW/cm
= 25°C
White
SS
SS
SS
LED
= 100μA
= 200μA
2
Note 3
= 10μA
SS
,
Current responsivity
= 10K
Figure 2 – IR Sensitivity Measurement Circuit
Ambient Light Detector
P
2
RODUCTION
@ 25°C
910nm
S
PECIFICATION
10kΩ
Min
150
7.5
-15
75
5
LX1972
≤
V
LX1972
T
0.010
DD
0.04
Typ
A
520
100
200
-25
1.2
1.8
2.2
10
1
≤
85°C except where
Max
12.5
125
250
200
1.4
2.1
2.6
15
50
5
LX1972
Units
mm
V
nm
V
μA
nA
dB
%
%
V
at a
SS
2
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