DS8921ATMX/NOPB

Product Overview

• Category: Integrated Circuit (IC)
• Use: Differential Line Driver and Receiver
• Characteristics:
  • High-speed data transmission
  • Low power consumption
  • Wide operating voltage range
  • Robust ESD protection
• Package: Surface Mount Technology (SMT)
• Essence: DS8921ATMX/NOPB is a versatile IC used for differential line driving and receiving applications.
• Packaging/Quantity: Available in tape and reel packaging, with 2500 units per reel.

Specifications

• Supply Voltage Range: 4.5V to 5.5V
• Operating Temperature Range: -40°C to +85°C
• Data Rate: Up to 10 Mbps
• Input Thresholds: ±200mV
• Output Voltage Swing: ±3.6V
• Propagation Delay: 15ns (typical)
• Rise/Fall Time: 2ns (typical)
• Power Consumption: 20mA (typical)

Detailed Pin Configuration

The DS8921ATMX/NOPB IC has a total of 16 pins, which are assigned as follows:

1. VCC - Positive supply voltage
2. GND - Ground reference
3. RO - Receiver output
4. RE - Receiver enable
5. DE - Driver enable
6. DI - Driver input
7. DRO - Driver output
8. NC - No connection
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

• Differential Line Driving: The DS8921ATMX/NOPB provides high-speed differential line driving, ensuring reliable data transmission over long distances.
• Differential Line Receiving: It also offers differential line receiving capabilities, allowing for accurate reception of signals in noisy environments.
• ESD Protection: The IC incorporates robust electrostatic discharge (ESD) protection, safeguarding the circuit against potential damage from static electricity.
• Low Power Consumption: With its low power consumption, the DS8921ATMX/NOPB is suitable for battery-powered applications.

Advantages and Disadvantages

Advantages: - High-speed data transmission - Wide operating voltage range - Robust ESD protection - Low power consumption

Disadvantages: - Limited pin configuration options - Relatively high propagation delay compared to some alternative models

Working Principles

The DS8921ATMX/NOPB operates based on differential signaling principles. It uses complementary driver and receiver circuits to transmit and receive data over a differential pair of wires. The differential signaling technique provides noise immunity and allows for longer cable lengths without signal degradation.

Detailed Application Field Plans

The DS8921ATMX/NOPB finds applications in various fields, including:

1. Industrial Automation: Used for communication between sensors, actuators, and control systems in industrial automation processes.
2. Telecommunications: Employed in high-speed data transmission systems, such as Ethernet and serial communication interfaces.
3. Automotive Electronics: Utilized in automotive networks for reliable data exchange between different electronic modules.
4. Medical Equipment: Integrated into medical devices requiring secure and accurate data transfer.

Detailed and Complete Alternative Models

1. SN65LVDS100: A similar differential line driver and receiver IC with lower power consumption and faster data rates.
2. MAX485: An alternative IC offering half-duplex RS-485 communication with built-in fail-safe features.
3. LTC2875: A versatile differential line transceiver with extended temperature range and enhanced ESD protection.

These alternative models provide similar functionality to the DS8921ATMX/NOPB and can be considered based on specific application requirements.

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