Overview
The MAX3490EESA/GH9 is a 3.3V-powered, low-power transceiver designed for RS-485 and RS-422 communication. Produced by Analog Devices Inc./Maxim Integrated, this device is part of a family of transceivers known for their high performance and reliability. It features a single driver and a single receiver, making it suitable for a variety of applications requiring robust and efficient serial communication.
Key Specifications
| Parameter | Value |
|---|---|
| Supply Voltage | 3.3V |
| Number of Receivers | 1 |
| Receiver Data Rate | 12 Mb/s |
| ESD Protection | ±15kV |
| Communication Mode | Full-Duplex |
| Package Type | 8-Pin SOIC |
| Operating Temperature Range | -40°C to +85°C |
| Common-Mode Input Voltage Range | -7V to +12V |
| Shutdown Current | Not applicable (see MAX3491 for similar with shutdown) |
Key Features
- Operates from a single 3.3V supply without the need for a charge pump.
- Interoperable with +5V logic.
- Slew-rate limited for errorless data transmission.
- Full-duplex communication capability.
- Current-limiting and thermal shutdown for driver overload protection.
- Fail-safe receiver input guarantees a logic-high output if both inputs are open circuit.
- Allows up to 32 transceivers on the bus.
Applications
- Telecommunications.
- Industrial-control local area networks (LANs).
- Transceivers for EMI-sensitive applications.
- Low-power RS-485/RS-422 transceivers.
Q & A
- What is the supply voltage of the MAX3490EESA/GH9?
The supply voltage is 3.3V. - What is the data rate of the receiver?
The receiver data rate is 12 Mb/s. - Does the MAX3490EESA/GH9 support full-duplex communication?
Yes, it supports full-duplex communication. - What is the ESD protection level of the MAX3490EESA/GH9?
The ESD protection level is ±15kV. - What is the operating temperature range of the MAX3490EESA/GH9?
The operating temperature range is -40°C to +85°C. - What type of package does the MAX3490EESA/GH9 come in?
The MAX3490EESA/GH9 comes in an 8-Pin SOIC package. - Is the MAX3490EESA/GH9 interoperable with +5V logic?
Yes, it is interoperable with +5V logic. - Does the MAX3490EESA/GH9 have a shutdown mode?
No, the MAX3490EESA/GH9 does not have a shutdown mode; see MAX3491 for a similar model with shutdown capability. - What is the common-mode input voltage range of the MAX3490EESA/GH9?
The common-mode input voltage range is -7V to +12V. - How many transceivers can be connected on the bus?
Up to 32 transceivers can be connected on the bus.
