DS26LS32CM/NOPB

Product Overview

• Category: Integrated Circuit
• Use: Line Driver/Receiver
• Characteristics: High-speed, Low-power, Differential Line Driver/Receiver
• Package: 16-pin SOIC (Small Outline Integrated Circuit)
• Essence: The DS26LS32CM/NOPB is a quad differential line driver/receiver designed to meet the requirements of RS-422 and RS-485 serial protocols.
• Packaging/Quantity: Available in tape and reel packaging with 2500 units per reel.

Specifications

• Supply Voltage: +4.5V to +5.5V
• Operating Temperature Range: -40°C to +85°C
• Data Rate: Up to 20 Mbps
• Number of Channels: 4
• Input Threshold: ±200mV
• Output Voltage Swing: ±3.6V
• Propagation Delay: 10ns (typical)

Detailed Pin Configuration

The DS26LS32CM/NOPB has a 16-pin SOIC package with the following pin configuration:

1. A Output 1
2. A Input 1
3. B Output 1
4. B Input 1
5. GND (Ground)
6. B Input 2
7. B Output 2
8. A Input 2
9. A Output 2
10. VCC (Power Supply)
11. A Output 3
12. A Input 3
13. B Output 3
14. B Input 3
15. B Input 4
16. B Output 4

Functional Features

• Quad differential line driver/receiver for RS-422 and RS-485 applications.
• Allows long-distance data transmission with high noise immunity.
• Supports full-duplex or half-duplex communication modes.
• Low power consumption for energy-efficient operation.
• High-speed data transfer up to 20 Mbps.
• Wide operating temperature range for versatile usage.

Advantages and Disadvantages

Advantages: - Supports multiple channels for simultaneous data transmission. - Provides reliable and robust communication in noisy environments. - Low power consumption extends battery life in portable applications. - Wide operating temperature range allows usage in various conditions.

Disadvantages: - Requires external components for complete RS-422/RS-485 implementation. - Limited to differential signaling applications.

Working Principles

The DS26LS32CM/NOPB operates based on the principles of differential signaling. It receives differential input signals and amplifies them to provide differential output signals. This enables long-distance data transmission with high noise immunity. The device also incorporates fail-safe circuitry, ensuring a high level on the receiver outputs when inputs are open or shorted.

Detailed Application Field Plans

The DS26LS32CM/NOPB is widely used in various applications that require reliable and high-speed data communication over long distances. Some common application fields include:

1. Industrial Automation: Used in industrial control systems for transmitting data between sensors, actuators, and controllers.
2. Telecommunications: Employed in telecommunication networks for long-distance data transmission.
3. Automotive: Integrated into automotive electronics for communication between different vehicle systems.
4. Security Systems: Utilized in security cameras and access control systems for transmitting video and control signals.
5. Medical Equipment: Incorporated into medical devices for reliable data exchange between different components.

Detailed and Complete Alternative Models

• MAX481: Quad RS-485/RS-422 Transceiver
• SN75176: Differential Bus Transceiver
• LTC2850: Quad RS-485 Transceiver
• ADM2483: Isolated RS-485 Transceiver
• SP3485: Half-Duplex RS-485 Transceiver

These alternative models offer similar functionality and can be considered as alternatives to the DS26LS32CM/NOPB based on specific application requirements.

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