SN75172DW

Product Overview

• Category: Integrated Circuit (IC)
• Use: Signal Line Driver and Receiver
• Characteristics: High-speed, low-power, differential line driver and receiver
• Package: SOIC (Small Outline Integrated Circuit)
• Essence: Transmits and receives digital signals over long distances
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Supply Voltage Range: 4.75V to 5.25V
• Operating Temperature Range: -40°C to +85°C
• Data Rate: Up to 10 Mbps
• Number of Channels: 1
• Input Type: Differential
• Output Type: Differential
• Input Threshold Voltage: ±200mV
• Output Voltage Swing: ±3.5V
• Propagation Delay: 50ns (typical)

Detailed Pin Configuration

The SN75172DW has a total of 16 pins. The pin configuration is as follows:

1. VCC: Positive power supply
2. GND: Ground reference
3. A: Non-inverting input
4. B: Inverting input
5. Y: Non-inverting output
6. Z: Inverting output
7. RE: Receiver enable
8. DE: Driver enable
9. NC: No connection
10. NC: No connection
11. NC: No connection
12. NC: No connection
13. NC: No connection
14. NC: No connection
15. NC: No connection
16. NC: No connection

Functional Features

• High-speed data transmission over long distances
• Low power consumption
• Differential signaling for noise immunity
• Receiver and driver enable control
• Wide operating temperature range

Advantages and Disadvantages

Advantages: - High-speed data transfer capability - Low power consumption - Differential signaling for noise rejection - Wide operating temperature range

Disadvantages: - Limited to single-channel operation - Requires external enable control signals

Working Principles

The SN75172DW is designed to transmit and receive digital signals over long distances. It utilizes differential signaling, where the transmitted data is represented by the voltage difference between two lines. This allows for better noise immunity and signal integrity.

The IC operates by receiving a differential input signal on pins A and B. The received signal is then amplified and converted into a differential output signal on pins Y and Z. The receiver and driver can be enabled or disabled using the RE and DE pins, respectively.

Detailed Application Field Plans

The SN75172DW is commonly used in various applications that require high-speed and long-distance digital signal transmission. Some of the typical application fields include:

1. Industrial Automation: Used in PLC (Programmable Logic Controller) systems for reliable communication between devices.
2. Telecommunications: Employed in networking equipment for transmitting data over long distances.
3. Automotive Electronics: Utilized in automotive communication systems for robust data transfer.
4. Medical Devices: Integrated into medical equipment for secure and accurate data transmission.
5. Consumer Electronics: Found in devices such as printers, scanners, and audio/video equipment for efficient data transfer.

Detailed and Complete Alternative Models

1. MAX485: Similar differential line driver and receiver with higher data rate capability.
2. LTC2874: Differential line transceiver with extended temperature range and enhanced features.
3. SN65HVD178x: Family of RS-485/RS-422 transceivers with various channel options.
4. ADM2587E: Isolated RS-485 transceiver with integrated isolation barrier for improved safety.

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