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1
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LDA110
DS-LDA110-R3
Solid State Current Sensors
Applications
Features
Description
Approvals
Ordering Information
LDA110 Units
Break Down Voltage 20 V
Current Transfer Ratio 1000 %
Saturation Voltage .8 V
Input Control Current 2 mA
Pin Configuration
LDA1 10 is an optocoupler with a single or darlington transistor output. A bi-directional or uni-directional input is
available depending on which model you choose. Current
transfer ratios range from 33% to 1000%
• Telecom Switching
• Tip/Ring Circuits
• Modem Switching (Laptop, Notebook, Pocket Size)
• Loop Detect
• Ring Detect
• Current Sensing
• UL Recognized: File Number E76270
• CSA Certified: File Number LR 43639-10
• BSI Certified:
• BS EN 60950:1992 (BS7002:1992)
Certificate #:7344
• BS EN 41003:1993
Certificate #:7344
• AC and DC Input Versions Available
• Small 6 Pin DIP Package
• 100mA Continuous Load Rating
• 3750V
RMS
Input/Output Isolation
• Machine Insertable, Wave Solderable
• Surface Mount and Tape & Reel Versions Available
Part # Description
LDA110 6 Pin DIP (50/Tube)
LDA110S 6 Pin Surface Mount (50/Tube)
LDA110STR 6 Pin Surface Mount (1000/Reel)
1
3
2
4
5
6
LDA110 Pinout
Page 2
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LDA110
Rev. 3
Absolute Maximum Ratings are stress ratings. Functional
operation of the device at these or any other conditions
beyond those indicated in the operational sections of this
data sheet is not implied. Exposure of the device to the
absolute maximum ratings for an extended period may
degrade the device and effect its reliability.
Absolute Maximum Ratings (@ 25
o
C)
2
Electrical Characteristics
PARAMETER CONDITIONS SYMBOL MIN TYP MAX UNITS
Output Characteristics @ 25°C
Phototransistor Blocking Voltage I
C
=10µA BV
CEO
20 50 - V
Phototransistor Output Current V
CE
=5V, IF=0mA I
CEO
- 50 500 nA
Saturation Voltage I
C
=2mA, IF=16mA V
SAT
-- -V
I
C
=.15mA, IF=.05mA - 0.5 0.5 V
Current Transfer Ratio I
F
=6mA, VCE=0.5V CTR 300 1000 - %
Output Capacitance 50V, f=1 MHz C
OUT
-3 -pF
Capacitance
Input to Output - - - - - -pF
Input Characteristics @ 25°C
Input Control Current I
C
=2mA, VCE=0.5V I
F
2 1 100 mA
Input Voltage Drop I
F
=5mA V
F
0.9 1.2 1.4 V
Input Reverse Voltage - V
R
-- 5V
(LDA101, LDA111)
Input Reverse Current V
R
=5V I
R
--10nA
(LDA101, LDA111)
Common Characteristics @ 25°C
Input to Output Isolation - V
I/O
3750 - - V
RMS
Parameter Min Typ Max Units
Input Power Dissipation - - 150
1
mW
Input Control Current - - 100 mA
Peak (10ms) - - 1 A
Reverse Input Voltage - - 5 V
Phototransistor - - 150
2
mW
Power Dissipation
Total Package Dissipation - - 800
3
mW
Isolation Voltage
Input to Output 3750 - - V
RMS
Operational Temperature -40 - +85°C
Storage Temperature -40 - +125
°
C
Soldering Temperature
DIP Package - - +260
°
C
Surface Mount Package - - +220
°
C
(10 Seconds Max.)
1
Derate Linearly 1.33 mw/oC
2
Derate Linearly 2.0 mw/oC
3
Derate Linearly 6.67 mw/oC
Page 3
LDA110
www.clare.com
Rev. 3
3
Performance Data
Typical Normalized CTR vs. Forward Current
4.5
4.0
3.5
3.0
2.5
2.0
1.5
1.0
Normalized CTR (%)
0.5
0
0
LDA110/LDA111
(VCE = 0.5V)
2 4 6 8 10 12 14 16 18
IF (mA)
20
Typical Normalized CTR vs. Temperature
3.0
2.5
2.0
1.5
1.0
Normalized CTR (%)
0.5
0
-40
LDA110/LDA111
(VCE = 0.8V)
-20 0 20 40 60 80 100
Temperature (°C)
1mA
2mA
5mA
10mA
15mA
20mA
Typical Collector Current vs. Forward Current
16
14
12
10
8
(mA)
C
I
6
4
2
0
0
LDA110/LDA111
(VCE = 0.8V)
2468 1210 14 16 18 20
IF (mA)
Page 4
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4
LDA110
Rev. 3
Dimensions
mm
(inches)
Mechanical Dimensions
6 Pin DIP Surface Mount (“S” Suffix) PC Board Pattern
7.620 ± .254
(.300 ± .010)
4.445 ± .127
(.175 ± .005)
3.302
(.130)
.635 TYP.
(.025)
.254 TYP.
(.010)
6.350 ± .127
(.250 ± .005)
8.382 ± .635
(.330 ± .025)
2.540 ± .127
(.100 ± .005)
.457 ± .076
(.018 ± .003)
9.525 ± .254
(.375 ± .010)
(Top View)
1.905 ± .127
(.075 ± .005)
2.540 ± .127
(.100 ± .005)
1.499 ± .127
(.059 ± .005)
Tape and Reel Packaging for 6 Pin Surface Mount Package
330.2 DIA.
(13.00)
Top Cover
Tape Thickness
.102 MAX.
(.004)
12.090
(.476)
6.731 MAX.
(.265)
.406 MAX.
(.016)
4.877
(.192)
1.753 ± .102
(.069 ± .004)
7.493 ± .102
(.295 ± .004)
2.007 ± .102
(.079 ± .004)
1.498 ± .102
(.059 ± .004)
3.987 ± .102
(.157 ± .004)
16
8.305 ± .127
(.327 ± .005)
16.002 ± .305
(.630 ± .012)
10.100
(.398)
Embossed Carrier
Embossment
Top Cover
Tape
.050R TYP.
11.989 ± .102
(.472 ± .004)
User Direction of Feed
10.100 ± .102
(.398 ± .004)
1.549 ± .102
(.061 ± .004)
Page 5
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Worldwide Sales Offices
Specification: DS-LDA110-R3
©Copyright 2001, Clare, Inc.
All rights reserved. Printed in USA.
02/23/01
Clare cannot assume responsibility for use of any circuitry other
than circuitry entirely embodied in this Clare product. No circuit
patent licenses nor indemnity are expressed or implied. Clare
reserves the right to change the specification and circuitry, without notice at any time. The products described in this document
are not intended for use in medical implantation or other direct life
support applications where malfunction may result in direct physical harm, injury or death to a person.
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