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Product Detailed Parameters
- Description：DARLINGTON OUTPUT OPTOCOUPLER
- Series：*
- Mfr：Texas Instruments
- Package：Bulk
- Number of Channels：-
- Voltage - Isolation：-
- Current Transfer Ratio (Min)：-
- Current Transfer Ratio (Max)：-
- Turn On / Turn Off Time (Typ)：-
- Rise / Fall Time (Typ)：-
- Input Type：-
- Output Type：-
- Voltage - Output (Max)：-
- Current - Output / Channel：-
- Voltage - Forward (Vf) (Typ)：-
- Current - DC Forward (If) (Max)：-
- Vce Saturation (Max)：-
- Operating Temperature：-
- Mounting Type：-
- Package / Case：-
- Supplier Device Package：-
- Grade：-
- Qualification：-
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Overview
The TIL190-4 is a high-speed optocoupler manufactured by Texas Instruments, designed for applications requiring high base-noise immunity. It features an LED input and a phototransistor output within a six-pin DIP package. The device is characterized by its internal design which omits the base connection to minimize noise susceptibility. This component is suitable for signal isolation in digital communication systems where reliable data transmission is critical.
Feature Summary
- High base-noise immunity due to no internal base connection
- High-speed operation capability
- Digital signal isolation
Applications
- Digital communication systems
- Signal isolation circuits
- Noise-sensitive environments
Procurement Notes
Verify current availability status as the TIL190-4 may be classified as obsolete or end-of-life by Texas Instruments. Confirm if alternative packages or newer generation components are recommended for new designs. Check official TI documentation for specific ordering suffixes and packaging details to ensure compatibility with existing manufacturing processes.
Selection Notes
Select this component when high noise immunity is required in optoisolated digital circuits. Consider the absence of an internal base connection as a key differentiator for noisy environments. Evaluate replacement options if long-term supply assurance is a priority, given potential obsolescence status.
Part Context
The TIL190-4 belongs to the TIL series of optocouplers from Texas Instruments. These devices are engineered for robust performance in industrial and commercial applications. The series emphasizes reliability and noise rejection, making them suitable for harsh electrical environments.
Replacement Considerations
Check for direct pin-compatible replacements or updated series from Texas Instruments. Verify functional equivalence regarding speed and isolation voltage before substitution.
