The DS8820J, manufactured by Rochester Electronics, is a high-speed differential line receiver designed for use in balanced or unbalanced digital data transmission systems. This device offers improved noise immunity and common-mode rejection, making it ideal for reliable data communication over long distances or in noisy environments. It is a pin-for-pin replacement for the original National Semiconductor part, ensuring compatibility in existing designs.

Applications

• Differential data transmission systems
• Balanced line receivers
• Industrial control systems
• Computer interfaces
• Telecommunications equipment

Features

• High-speed operation: Fast propagation delay for high data rates.
• Differential inputs: Provides excellent noise immunity.
• TTL-compatible outputs: Interfaces directly with standard TTL logic.
• Single 5V supply: Operates from a single 5V power supply.
• High common-mode rejection: Rejects common-mode noise signals.
• Available in ceramic DIP package: Offers high reliability.

Benefits

• Reliable data transmission: Ensures accurate data transfer in noisy environments.
• Improved noise immunity: Reduces the impact of noise on data signals.
• Simplified system design: Requires minimal external components.
• Pin-for-pin replacement: Easy upgrade for existing systems.
• Cost-effective solution: Provides high performance at a reasonable cost.

Specifications

The DS8820J typically has a propagation delay of around 15ns. It operates from a single 5V power supply and features differential inputs with a common-mode voltage range of ±3V. The output is TTL-compatible, and the device is available in a ceramic DIP (Dual In-line Package). The operating temperature range is typically -55°C to +125°C.