20Mbps and Slew Rate Limited 15kV RS485/RS422 Transceiver The LTC2856CDD-1#PBF is a product from **Linear Technology (now part of Analog Devices)**. Here are its specifications, descriptions, and features:

### **Specifications:**
- **Manufacturer:** Linear Technology (Analog Devices)
- **Part Number:** LTC2856CDD-1#PBF
- **Type:** RS485/RS422 Transceiver
- **Data Rate:** Up to **20Mbps**
- **Supply Voltage:** **3V to 5.5V**
- **Operating Temperature Range:** **0°C to 70°C**
- **Package:** **DFN-8 (3x3mm)**
- **Number of Drivers/Receivers:** **1 Driver, 1 Receiver**
- **ESD Protection:** **±15kV (Human Body Model)**
- **Half/Full Duplex:** **Half Duplex**
- **Current Consumption (Shutdown Mode):** **<1µA**
- **Common Mode Voltage Range:** **-7V to +12V**

### **Descriptions:**
- The LTC2856CDD-1#PBF is a **high-speed, low-power RS485/RS422 transceiver** designed for robust communication in noisy environments.
- It supports **20Mbps data rates** and operates from a **3V to 5.5V supply**, making it suitable for **3.3V and 5V systems**.
- The device features **enhanced ESD protection (±15kV HBM)** and **fault-tolerant receiver inputs** that remain operational even beyond supply rails.
- It includes a **low-power shutdown mode (<1µA)** to minimize power consumption when not in use.

### **Features:**
- **20Mbps High-Speed Operation**
- **3V to 5.5V Supply Range**
- **Ultra-Low Power Shutdown (<1µA)**
- **Enhanced ESD Protection (±15kV HBM)**
- **Fault-Tolerant Receiver Inputs (±25V)**
- **Half-Duplex Communication**
- **Thermal Shutdown Protection**
- **8-Lead DFN Package (3x3mm)**
- **Compliant with RS485/RS422 Standards**

This transceiver is commonly used in **industrial automation, instrumentation, and long-distance communication systems** due to its robustness and high-speed capabilities.

20Mbps and Slew Rate Limited 15kV RS485/RS422 Transceiver