OBSOLETE
LDA211
Dual Optocouplers, Unidirectional Input
Darlington-Transistor Output
INTEGRATED
CIRCUITS
DIVISION
Description
Parameter
Breakdown Voltage - BVCEO
Rating
30
Units
VP
LDA211 is a dual unidirectional-input optocoupler
with Darlington-transistor outputs. The LDA211 has a
minimum current transfer ratio (CTR) of 300% with a
typical value of 8500%.
Current Transfer Ratio -
CTR (typical)
8500
%
Saturation Voltage - VCE(sat)
Input Control Current - IF
1
1
V
mA
Approvals
Features
• 100mA Continuous Load Rating
• 3750Vrms Input/Output Isolation
• Unidirectional Input
• UL Recognized Component: File E76270
• CSA Certified Component: Certificate # 1175739
• TUV EN 62368-1: Certificate # B 082667 0008
• Small 8-Pin Package
• Surface Mount Tape & Reel Version Available
Ordering Information
Part Number
LDA211
Description
8-Pin DIP (50/tube)
Applications
• Telecom Switching
• Tip/Ring Circuits
LDA211S
8-Pin Surface Mount (50/tube)
8-Pin Surface Mount (1000/Reel)
LDA211STR
• Modem Switching (Laptop, Notebook, Pocket Size)
• Loop Detect
• Ringing Detect
• Current Sensing
Pin Configuration
1
8
A
E
C
C
E
2
7
6
K
3
K
4
5
A
DS-LDA211-ROBS
1
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