| Parameters | |
|---|---|
| Series | - |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) |
| RoHS Status | ROHS3 Compliant |
| Package / Case | 8-SOIC (0.154", 3.90mm Width) |
| Mfr | Analog Devices Inc./Maxim Integrated |
| Mounting Type | Surface Mount |
| Operating Temperature | - |
| Type | Transceiver |
| Data Rate | - |
| Supplier Device Package | 8-SOIC |
| Voltage - Supply | 4.5V ~ 5.5V |
| Protocol | RS422, RS485 |
| Number of Drivers/Receivers | 1/1 |
| Duplex | - |
| Package | Tape & Reel (TR) |
| Product Status | Active |
| Base Product Number | MAX13085 |
| REACH Status | REACH Unaffected |
| Standard Package | 2,500 |
| ECCN | EAR99 |
| HTSUS | 8542.39.0001 |
MAX13085EESA+T RS-485/RS-422 transceiver Chip
The MAX13085EESA+T is a high-performance, half-duplex RS-485/RS-422 transceiver from Maxim Integrated, designed to facilitate robust differential data transmission in harsh industrial environments. It operates with a wide supply voltage range of 3V to 5.5V, ensuring compatibility with both 3.3V and 5V systems, and features a low-voltage differential signaling (LVDS) interface that supports data rates up to 500kbps, making it suitable for moderate-speed communication applications. The device incorporates a differential receiver with a high input impedance (≥12kΩ) and a differential driver capable of delivering ±1.5V minimum output voltage, enabling reliable operation over long cable lengths (up to 1200m) while maintaining signal integrity. Its internal protection mechanisms include thermal shutdown, which activates when the junction temperature exceeds +165°C, preventing damage from excessive power dissipation, and a fail-safe receiver design that ensures a logic-high output when the bus is open, shorted, or idle, enhancing system stability.
This versatile transceiver is widely used in industrial automation systems, building control networks, smart grid infrastructure, automotive diagnostics, and security systems, where reliable long-distance data communication is critical. Its combination of wide voltage compatibility, robust protection features, and low power consumption makes it a preferred choice for designing resilient communication links in harsh operating environments.
Alternative half-duplex communication chip options
● TI's SN75176B is a half-duplex RS-485 transceiver with 3V-5V operation, 250kbps data rate, and DIP-8/SOIC-8 packaging, suitable for general-purpose industrial communication.
● Analog Devices' ADM2483 is an isolated RS-485 transceiver with integrated galvanic isolation (2.5kVrms), 500kbps data rate, and SOIC-8 package, ideal for high-noise industrial environments requiring isolation.
● Nexperia's 74HCSP57 is a low-power RS-485 transceiver with 3.3V operation, 1Mbps data rate, and SOT23-8 packaging, optimized for space-constrained applications.
● onsemi's MC3485 is a 5V-only RS-485 transceiver with 250kbps data rate, DIP-8/SOIC-8 packaging, and high noise immunity, suitable for legacy industrial networks.