1458 Optocoupler Datasheet Work Jun 2026

Acting as an isolated line receiver for high-speed digital data transmission systems where noise immunity is critical. MC1458 data sheet, product information and support | TI.com

, ensuring safety between high-voltage power stages and low-voltage control circuits. 4. Typical Applications Isolated Data Acquisition:

under specific loads), matching high-speed digital logic demands.

: For high-speed data communication across different ground planes. Motor Control 1458 optocoupler datasheet

The "1458" optocoupler (assumed common through-hole transistor-output optocoupler family; e.g., generic PC817-like single-channel phototransistor optocoupler) provides electrical isolation between input (LED) and output (phototransistor). Typical use cases: microcontroller isolation, signal level shifting, noise suppression, and protecting low-voltage logic from high-voltage circuits.

An infrared LED that converts an electrical signal into light. Output Side:

The photons strike the base area of the internal phototransistor. This generates electron-hole pairs in the semiconductor material, producing a base current. Acting as an isolated line receiver for high-speed

The 1458 optocoupler datasheet highlights several key features that make this device suitable for a wide range of applications. Some of the key features include:

Perhaps the most important safety specification. The isolation voltage tells you the maximum amount of voltage the optocoupler can withstand between the input and output sides without breaking down. The

This article will break down everything you need to know about the HCPL-1458 optocoupler datasheet, interpreting its specifications, pinout, and practical applications. What is the ? Go to product viewer dialog for this item. interpreting its specifications

If you are looking to purchase, I can help you find distributors for the HCPL-1458. If you'd like, Single Channel, High Speed Optocouplers Technical Data

ceramic capacitor near the power supply pin of the output receiving circuit to filter out noise caused by fast switching transitions.

R1=5−1.40.010=360Ωcap R sub 1 equals the fraction with numerator 5 minus 1.4 and denominator 0.010 end-fraction equals 360 space cap omega Circuit 2: Dual-Channel Isolated RS-232/TTL Communication

Propagation delay measures how fast the optocoupler responds to a change in the input signal. For high-speed logic or communication lines, these metrics (measured in nanoseconds) are crucial to ensure your system timing is not compromised. Pinout and Circuit Configuration