DS21Q48A3N

Product Overview

Category: Integrated Circuit (IC)

Use: The DS21Q48A3N is a high-speed quad differential line receiver designed for use in data communication systems. It is commonly used in applications such as telecommunications, networking, and industrial automation.

Characteristics: - High-speed operation - Low power consumption - Wide input common-mode voltage range - Differential input with hysteresis - ESD protection on all inputs - Small package size

Package: The DS21Q48A3N is available in a small outline integrated circuit (SOIC) package. It is supplied in tape and reel packaging for easy handling and automated assembly.

Essence: The essence of the DS21Q48A3N lies in its ability to receive high-speed differential signals accurately and reliably, making it an essential component in various data communication systems.

Packaging/Quantity: The DS21Q48A3N is typically packaged in reels containing 250 units per reel.

Specifications

• Supply Voltage Range: 3V to 5.5V
• Input Common-Mode Voltage Range: -7V to +12V
• Operating Temperature Range: -40°C to +85°C
• Data Rate: Up to 1 Gbps
• Propagation Delay: 200 ps (typical)
• Input Resistance: 100 Ω (differential)
• Output Voltage Swing: 400 mV (minimum)

Pin Configuration

The DS21Q48A3N has a total of 16 pins arranged in a dual-inline package (DIP). The pin configuration is as follows:

Pin 1: VCC Pin 2: A1- Pin 3: A1+ Pin 4: B1- Pin 5: B1+ Pin 6: GND Pin 7: B2+ Pin 8: B2- Pin 9: A2+ Pin 10: A2- Pin 11: GND Pin 12: B3+ Pin 13: B3- Pin 14: A3+ Pin 15: A3- Pin 16: VCC

Functional Features

• High-speed differential line reception
• Wide input common-mode voltage range allows for flexibility in system design
• ESD protection on all inputs ensures robustness against electrostatic discharge
• Low power consumption makes it suitable for battery-powered applications
• Differential input with hysteresis improves noise immunity and signal integrity

Advantages and Disadvantages

Advantages: - High-speed operation enables reliable data transmission in demanding applications - Wide input common-mode voltage range provides flexibility in system integration - ESD protection enhances the durability of the IC - Low power consumption prolongs battery life in portable devices

Disadvantages: - Limited output voltage swing may require additional amplification in certain applications - Propagation delay may introduce latency in time-critical systems

Working Principles

The DS21Q48A3N operates by receiving differential signals on its input pins and converting them into digital logic levels. It utilizes internal circuitry to amplify, filter, and process the incoming signals, ensuring accurate reception even in noisy environments. The hysteresis feature helps to improve noise immunity and reduce the likelihood of false triggering.

Detailed Application Field Plans

The DS21Q48A3N finds extensive use in various data communication systems, including: 1. Telecommunications equipment such as routers, switches, and modems 2. Networking devices like Ethernet switches and fiber optic transceivers 3. Industrial automation systems for reliable data transmission in control and monitoring applications

Alternative Models

For those seeking alternative options, the following models can be considered: - DS21Q48A2N: Similar to DS21Q48A3N but with dual differential line reception instead of quad - DS21Q44A3N: Quad differential line receiver with lower data rate capability - DS21Q48B3N: Quad differential line receiver with extended temperature range

These alternative models offer different features and specifications to cater to specific application requirements.

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