3.3V 4.25Gbps CML Low-Power Limiting Post Amplifier with TTL LOS The part **SY88403BLMG** is manufactured by **Microchip Technology** (formerly Micrel). Below are the factual specifications, descriptions, and features from Ic-phoenix technical data files:

### **Description:**  
The **SY88403BLMG** is a **3.3V, 3.2Gbps limiting post amplifier** designed for fiber optic applications. It provides high-speed signal amplification with low noise and low power consumption.

### **Key Features:**  
- **Data Rate:** Up to **3.2Gbps**  
- **Supply Voltage:** **3.3V ±10%**  
- **Low Power Consumption:** Typically **90mW**  
- **Input Sensitivity:** **5mVpp (differential)**  
- **Output Swing:** **800mVpp (differential)**  
- **LOS (Loss of Signal) Assert:** **4mVpp (typical)**  
- **LOS De-assert:** **5mVpp (typical)**  
- **LOS Output:** **TTL/CMOS compatible**  
- **Wide Bandwidth:** **>3GHz**  
- **Package:** **8-pin MSOP (MLF® compatible)**  
- **Operating Temperature Range:** **-40°C to +85°C**  

### **Applications:**  
- **Fiber optic receivers**  
- **SONET/SDH systems**  
- **Gigabit Ethernet**  
- **Fibre Channel**  
- **Active optical cables (AOC)**  

This information is based on the manufacturer's datasheet and technical documentation.

3.3V 4.25Gbps CML Low-Power Limiting Post Amplifier with TTL LOS