75183 (DS8830, SN55183, SN75183) Dual Line Driver

Overview

The 75183, also designated as DS8830, SN55183, and SN75183, is a dual line driver designed for high-speed digital data transmission over long communication lines. This component is part of a family of robust differential line drivers that provide reliable signal integrity in noisy environments. It is commonly used in telecommunication systems, industrial control networks, and computer peripherals where balanced transmission lines are required.

The device features two independent drivers in a single package, each capable of delivering high output current to drive low-impedance transmission lines. The 75183 is characterized by its high-speed switching, low power consumption, and compatibility with TTL (Transistor-Transistor Logic) and DTL (Diode-Transistor Logic) input levels.

Features

• Dual Line Drivers: Two independent drivers in a single package for differential signal transmission.
• High-Speed Operation: Optimized for fast switching, supporting data rates up to 10 Mbps.
• Wide Supply Voltage Range: Operates from a single 4.5V to 5.5V supply, making it compatible with standard TTL logic levels.
• Low Power Consumption: Designed for energy-efficient operation, reducing thermal dissipation.
• Short-Circuit Protection: Built-in protection against output short circuits, enhancing reliability.
• High Output Current: Capable of driving low-impedance transmission lines with minimal signal degradation.
• TTL/DTL-Compatible Inputs: Ensures seamless integration with existing logic families.
• Industrial Temperature Range: Operates reliably across a wide temperature range (-40°C to +85°C).

Applications

The 75183 dual line driver is widely used in applications requiring robust differential signaling. Key application areas include:

• Telecommunications: RS-422, RS-485, and other balanced transmission systems.
• Industrial Control: Data communication in factory automation and process control networks.
• Computer Peripherals: High-speed data transfer between computers and external devices.
• Networking Equipment: Signal conditioning in Ethernet and other network interfaces.
• Test & Measurement: Precision signal generation and transmission in lab equipment.

Electrical Characteristics

Absolute Maximum Ratings

• Supply Voltage (Vcc): 7V
• Input Voltage (Vin): -0.5V to +7V
• Output Voltage (Vout): -0.5V to +7V
• Operating Temperature Range: -40°C to +85°C
• Storage Temperature Range: -65°C to +150°C

Recommended Operating Conditions

• Supply Voltage (Vcc): 4.5V to 5.5V
• Input High Voltage (Vih): 2.0V (min)
• Input Low Voltage (Vil): 0.8V (max)
• Output Current (Iout): ±60mA (max per driver)

Dynamic Characteristics

• Propagation Delay (tpd): 15ns (typical)
• Rise/Fall Time (tr/tf): 5ns (typical)
• Output Skew (tskew): 2ns (max)

Package Information

The 75183 is available in multiple package options to accommodate different PCB layouts and assembly processes. The most common packages include:

• 14-Pin DIP (Dual Inline Package): Through-hole mounting for easy prototyping and servicing.
• 14-Pin SOIC (Small Outline Integrated Circuit): Surface-mount package for compact designs.
• 14-Pin TSSOP (Thin Shrink Small Outline Package): Ultra-thin profile for high-density PCB layouts.

Pin Configuration

The pinout for the 75183 (14-pin package) is as follows:

• Pin 1: Driver 1 Input (A)
• Pin 2: Driver 1 Output (Y)
• Pin 3: Driver 1 Complementary Output (Y̅)
• Pin 4: Ground (GND)
• Pin 5: Driver 2 Complementary Output (Y̅)
• Pin 6: Driver 2 Output (Y)
• Pin 7: Driver 2 Input (A)
• Pin 8: Vcc (Supply Voltage)
• Pins 9-14: No Connection (NC) or reserved for thermal pads in some packages.

Conclusion

The 75183 (DS8830, SN55183, SN75183) dual line driver is a versatile and reliable component for differential signaling applications. Its high-speed performance, robust protection features, and compatibility with standard logic levels make it a preferred choice for engineers designing communication and control systems. With multiple package options and a wide operating temperature range, this device is well-suited for both industrial and commercial applications.