Overview
The MAX485ESA+T is a low-power RS485/RS422 transceiver manufactured by Analog Devices Inc./Maxim Integrated. This component is designed for half-duplex communication and features a high-speed data transmission capability of up to 2.5Mbps. It is packaged in an 8-pin NSOIC (Narrow Body Small Outline Integrated Circuit) package, making it suitable for a variety of applications where space is a concern. The transceiver includes one driver and one receiver, and it is protected by thermal shutdown circuitry and fail-safe circuitry to ensure reliable operation.
Key Specifications
| Parameter | Value |
|---|---|
| Manufacturer | Analog Devices Inc./Maxim Integrated |
| Part Number | MAX485ESA+T |
| Package | NSOIC-8 |
| Data Rate | Up to 2.5Mbps |
| Supply Voltage Range | 4.75V to 5.25V |
| Operating Temperature Range | -40°C to 85°C |
| Communication Mode | Half Duplex |
| Receiver/Driver Enable | Yes |
| Quiescent Current | 300μA |
| ESD Protection | ±15 kV (HBM) |
| Number of Transceivers on the Bus | Up to 32 |
Key Features
- Low power consumption with a quiescent current of 300μA.
- High-speed data transmission up to 2.5Mbps.
- Fail-safe circuitry ensuring a logic high receiver output when the receiver input is open.
- Thermal shutdown circuitry to protect against excessive power dissipation.
- Short circuit current limited driver.
- No slew rate limiting, allowing for high-speed transmission.
- Receiver and driver enable functions for flexible control.
Applications
The MAX485ESA+T is widely used in various applications, including:
- Communications and Networking: Suitable for local area networks and other communication systems requiring reliable and high-speed data transmission.
- Industrial: Used in industrial control systems, automation, and other industrial environments where robust and reliable communication is essential.
Q & A
- What is the data transmission rate of the MAX485ESA+T?
The MAX485ESA+T can transmit data up to 2.5Mbps. - What is the package type of the MAX485ESA+T?
The MAX485ESA+T is packaged in an 8-pin NSOIC (Narrow Body Small Outline Integrated Circuit) package. - What is the supply voltage range for the MAX485ESA+T?
The supply voltage range is from 4.75V to 5.25V. - What is the operating temperature range of the MAX485ESA+T?
The operating temperature range is from -40°C to 85°C. - Does the MAX485ESA+T support half-duplex communication?
Yes, the MAX485ESA+T is designed for half-duplex communication. - What is the quiescent current of the MAX485ESA+T?
The quiescent current is 300μA. - How many transceivers can be connected on the bus using the MAX485ESA+T?
Up to 32 transceivers can be connected on the bus. - Does the MAX485ESA+T have ESD protection?
Yes, it has ±15 kV (HBM) ESD protection. - What kind of circuitry does the MAX485ESA+T have for fail-safe operation?
The MAX485ESA+T features fail-safe circuitry that ensures a logic high receiver output when the receiver input is open. - Is the driver of the MAX485ESA+T protected against short circuits?
Yes, the driver is short circuit current limited and protected by thermal shutdown circuitry.
