I
NTEGRATED
C
IRCUITS
D
IVISION
LOC117
Linear Optocoupler
www.ixysic.com
DS-LOC117-R05
1
Applications
Description
Ordering Information
Pin Configuration
• Modem Transformer Replacement With No
Insertion Loss
• Digital Telephone Isolation
• Power Supply Feedback Voltage/Current
• Medical Sensor Isolation
• Audio Signal Interfacing
• Isolation of Process Control Transducers
Approvals
Features
Part # Description
LOC117 8-Pin DIP (50/tube)
LOC117P 8-Pin Flatpack (50/tube)
LOC117PTR 8-Pin Flatpack (1000/Reel)
LOC117S 8-Pin Surface Mount (50/tube)
LOC117STR 8-Pin Surface Mount (1000/Reel)
Parameter Rating Units
LED Operating Range 2-10 mA
K3, Transfer Gain 0.887-1.072 -
Isolation, Input to Output 3750
V
rms
- LED
+ LED
C1
A1
N/C
N/C
C2
A2
1
2
3
4
8
7
6
5
The LOC117 Single Linear Optocoupler features an
infrared LED optically coupled with two photodiodes.
One feedback (input) photodiode is used to generate
a control signal that provides a servomechanism
to the LED drive current, thus compensating
for the LED's nonlinear time and temperature
characteristics. The other (output) photodiode
provides an output signal that is linear with respect
to the servo LED current. The product features
wide bandwidth, high input to output isolation, and
excellent servo linearity.
• UL Recognized Component: File # E76270
• CSA Certified Component: Certificate # 1175739
• EN/IEC 60950-1 Certified Component:
TUV Certificate # B 13 12 82667 003
• 0.01% Servo Linearity
• THD -87dB Typical
• Wide Bandwidth (>200kHz)
• Couples Analog and Digital Signals
• High Gain Stability
• Low Input-to-Output Capacitance
• Low Power Consumption
• 8-Pin Flatpack or DIP Package
• Surface Mount and Tape & Reel Versions Available
• VDE Compatible