SP485EEP-L

Product Overview

• Category: Integrated Circuit
• Use: Communication and Networking
• Characteristics: Low-power, Half-duplex RS-485 Transceiver
• Package: 8-pin PDIP (Plastic Dual In-line Package)
• Essence: Enables reliable long-distance data transmission in industrial environments
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Supply Voltage: 3.0V to 5.5V
• Data Rate: Up to 10 Mbps
• Operating Temperature Range: -40°C to +85°C
• Number of Drivers/Receivers: 1 Driver, 1 Receiver
• Driver Output: ±60V
• Receiver Input: ±12V
• Driver Output Resistance: 13Ω
• Receiver Input Resistance: 12kΩ
• Shutdown Current: 1μA (max)

Pin Configuration

The SP485EEP-L has an 8-pin PDIP package with the following pin configuration:

1. DE (Driver Enable)
2. /RE (Receiver Enable)
3. A (Non-Inverting Data Line)
4. B (Inverting Data Line)
5. GND (Ground)
6. Y (Receiver Output)
7. Z (Driver Output)
8. VCC (Supply Voltage)

Functional Features

• Half-duplex communication mode
• Enhanced ESD protection for robustness
• Low power consumption for energy efficiency
• Wide supply voltage range for flexibility
• Thermal shutdown protection for reliability
• Short-circuit and fail-safe receiver inputs

Advantages

• Reliable long-distance data transmission
• Suitable for industrial environments
• Low power consumption
• Robust ESD protection
• Flexible supply voltage range

Disadvantages

• Limited to half-duplex communication
• Requires external components for complete functionality

Working Principles

The SP485EEP-L is a half-duplex RS-485 transceiver that enables bidirectional data transmission over long distances. It uses differential signaling to provide noise immunity and robustness in industrial environments. The driver and receiver sections are enabled by the DE and /RE pins, respectively. The transceiver features thermal shutdown protection, which disables the driver outputs in case of excessive temperature.

Application Field Plans

The SP485EEP-L is widely used in various applications, including:

1. Industrial automation systems
2. Building automation and control networks
3. HVAC (Heating, Ventilation, and Air Conditioning) systems
4. Access control and security systems
5. Process control and monitoring systems
6. Instrumentation and measurement equipment

Alternative Models

Here are some alternative models that can be considered as alternatives to the SP485EEP-L:

1. MAX485EESA+
2. SN65HVD485EDR
3. LTC2850IMS#PBF
4. ADM485EARZ
5. ST485BDR

These models offer similar functionality and can be suitable replacements depending on specific requirements.

In conclusion, the SP485EEP-L is a low-power, half-duplex RS-485 transceiver designed for reliable long-distance data transmission in industrial environments. With its robustness, wide supply voltage range, and thermal shutdown protection, it finds applications in various fields such as industrial automation, building control, and process monitoring.