Overview
The MAX3490EESA+T is a high-performance, low-power RS485/RS422 transceiver designed by Analog Devices Inc./Maxim Integrated. This device is optimized for use in various communication and networking applications, particularly in environments that require robust ESD protection and low power consumption. The transceiver operates from a single 3.3V supply and does not require a charge pump, making it suitable for a wide range of industrial and communications systems.
Key Specifications
| Parameter | Value |
|---|---|
| Manufacturer | Analog Devices Inc./Maxim Integrated |
| Part Number | MAX3490EESA+T |
| Package | NSOIC-8 |
| Supply Voltage Range | 3V to 3.6V |
| Supply Current | 1.1mA (DE = VCC, active-low RE = 0 or VCC) |
| Operating Temperature Range | -40°C to 85°C |
| Data Rate | Up to 12Mbps |
| ESD Protection | ±15KV (Air Gap), ±8KV (Contact), ±15KV (Human Body Model) |
| Common Mode Input Voltage Range | -7V to +12V |
| Communication Mode | Full Duplex |
Key Features
- Enhanced ESD protection: ±15KV air-gap discharge, ±8KV contact discharge, and ±15KV human body model.
- Low power consumption: 1.1mA supply current.
- Single 3.3V supply operation without the need for a charge pump.
- Interoperable with +5V logic.
- Full duplex communication capability.
- Fail-safe receiver input: logic high output if both inputs are open circuit.
- Thermal shutdown circuitry to protect against excessive power dissipation.
Applications
- Communications and Networking: Suitable for various communication protocols and networks.
- Industrial Applications: Used in EMI sensitive applications, integrated services, digital networks, and packet switching.
Q & A
- What is the MAX3490EESA+T used for?
The MAX3490EESA+T is used as an RS485/RS422 transceiver in various communication and networking applications.
- What is the operating voltage range of the MAX3490EESA+T?
The operating voltage range is from 3V to 3.6V.
- What is the data rate of the MAX3490EESA+T?
The data rate can be up to 12Mbps.
- What kind of ESD protection does the MAX3490EESA+T offer?
The device offers ±15KV air-gap discharge, ±8KV contact discharge, and ±15KV human body model ESD protection.
- Does the MAX3490EESA+T require a charge pump?
No, it operates from a single 3.3V supply without the need for a charge pump.
- What is the operating temperature range of the MAX3490EESA+T?
The operating temperature range is from -40°C to 85°C.
- Is the MAX3490EESA+T interoperable with +5V logic?
- What is the common mode input voltage range of the MAX3490EESA+T?
The common mode input voltage range is from -7V to +12V.
- Does the MAX3490EESA+T have fail-safe receiver inputs?
- What kind of thermal protection does the MAX3490EESA+T have?
The device has thermal shutdown circuitry to protect against excessive power dissipation.
