Toshiba Photocoupler GaAℓAs Ired & Photo-IC TLP115A Data Manual
Summary
The TLP115A is a high-speed, small outline optocoupler designed for reliable digital signal isolation in sensitive electronic circuits. This manual provides comprehensive engineering data, including detailed electrical characteristics, switching performance (up to 10MBd), and robust common-mode transient immunity (± 1000V/µs). It is essential documentation for hardware designers and engineers developing microprocessor peripheral interfaces, test equipment, or industrial systems that require high-voltage isolation and stable signal transfer.
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TLP115A
TOSHIBA Photocoupler Ga AℓAs Ired & Photo-IC
TLP115A
High Speed, Long Distance Isolated Line Receiver Unit in mm Microprocessor System Interfaces Digital Isolation For A / D, D / A Conversion Computer−Peripheral Interfaces Ground Loop Elimination
The TOSHIBA mini flat coupler TLP115A is a small outline coupler, suitable for surface mount assembly. TLP115A consists of a high output power Ga AℓAs light emitting diode, optically coupled to an integrated high gain, high speed shielded photo detector whose output is an open collector schottky clamped transistor. The shield, which shunts capacirively coupled common noise to ground, provides a guaranteed transient immunity specification of 1000V / µs.
Input current thresholds: IF = 5m A (max.) Switching speed: 10MBd (typ.) TOSHIBA 11−4C2
Common mode transient immunity: ± 1000V / µs (min.) Weight: 0.09g
Guaranteed performance over temp. : 0~70°C Isolation voltage: 2500Vrms (min.)
Pin Configuration (top view)
UL recognized: UL1577, file no. E67349
Schematic
ICC VCC
1 : Anode
IO 3 : Cathode
VO 4 : GND
5 : VO(Output) 6 : VCC
Shield
Truth Table (positive logic)
Input Output
Note. A 0.1µF bypass capacitor must be connected between pins 4 and 6.
Page Summary Contents For Toshiba Photocoupler GaAℓAs Ired & Photo-IC TLP115A Data Manual
Manual Details
| Brand | Toshiba |
|---|---|
| Pages | 8 |
| File Size | 216.17 KB |
| Published | June 01, 2026 |
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Frequently Asked Questions
What is the recommended bypass capacitor for operation?
A 0.1µF bypass capacitor must be connected between pins 4 and 6.
What are the guaranteed transient immunity specifications?
The common mode transient immunity is specified as ± 1000V/µs (min.).
Does this device support high-speed data transfer?
Yes, it has a switching speed of 10MBd (typ.).
What is the isolation voltage rating?
The minimum guaranteed isolation voltage is 2500 Vrms.