20A, 1.8-Unit-Load, Slew-Rate-Limited RS-485 Transceivers The MAX1482EPD is a high-speed, low-power RS-485/RS-422 transceiver manufactured by Maxim Integrated (now part of Analog Devices). Below are its specifications, descriptions, and features:
### **Specifications:**
- **Manufacturer:** Maxim Integrated (Analog Devices)
- **Part Number:** MAX1482EPD
- **Type:** RS-485/RS-422 Transceiver
- **Supply Voltage:** +5V
- **Data Rate:** Up to 2.5Mbps
- **Operating Temperature Range:** -40°C to +85°C
- **Package:** 14-Pin PDIP (Plastic Dual In-Line Package)
- **Number of Drivers/Receivers:** 1 Driver, 1 Receiver
- **Half/Full Duplex:** Half-Duplex
- **ESD Protection:** ±15kV (Human Body Model)
- **Common-Mode Input Voltage Range:** -7V to +12V
- **Propagation Delay:** 50ns (typical)
- **Quiescent Current:** 300µA (typical)
- **Shutdown Current:** 1µA (typical)
### **Description:**
The MAX1482EPD is a low-power, high-speed transceiver designed for RS-485/RS-422 communication. It features a single driver and receiver, making it suitable for half-duplex applications. The device includes slew-rate-limited drivers to reduce EMI and minimize reflections in improperly terminated cables. It operates from a single +5V supply and offers robust ESD protection.
### **Features:**
- **Low Power Consumption:** 300µA quiescent current, 1µA in shutdown mode.
- **High-Speed Operation:** Supports data rates up to 2.5Mbps.
- **Slew-Rate Limited Drivers:** Reduces EMI and signal reflections.
- **ESD Protection:** ±15kV protection on bus pins.
- **Wide Common-Mode Range:** -7V to +12V for noise immunity.
- **Thermal Shutdown Protection:** Prevents damage from excessive power dissipation.
- **Short-Circuit Protection:** Driver outputs are protected against short circuits.
- **Half-Duplex Operation:** Suitable for bidirectional communication on a single pair.
- **Industrial Temperature Range:** Operates from -40°C to +85°C.
This device is commonly used in industrial control systems, building automation, and other applications requiring robust serial communication.
