Integrated T1/E1/J1 Short-Haul and Long-Haul Protection Switches The MAX4670ETJ+T is a high-speed, low-voltage, single-supply SPDT (Single Pole Double Throw) analog switch manufactured by Maxim Integrated (now part of Analog Devices).  

### **Key Specifications:**  
- **Supply Voltage Range:** +1.8V to +5.5V  
- **On-Resistance (RON):** 4Ω (typical at +5V supply)  
- **Low On-Resistance Flatness:** 0.5Ω (typical)  
- **Fast Switching Time:**  
  - tON (Turn-On Time): 30ns (typical)  
  - tOFF (Turn-Off Time): 20ns (typical)  
- **Low Power Consumption:** 0.1µA (typical)  
- **Bandwidth (-3dB):** 200MHz (typical)  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 32-pin TQFN (5mm x 5mm)  

### **Descriptions and Features:**  
- **High-Speed, Low-Voltage Operation:** Supports signals up to 200MHz with minimal distortion.  
- **Low On-Resistance:** Ensures minimal signal attenuation.  
- **Single-Supply Operation:** Works with +1.8V to +5.5V supplies.  
- **Break-Before-Make Switching:** Prevents signal shorting during transitions.  
- **TTL/CMOS-Compatible Logic Inputs:** Easy interfacing with digital control signals.  
- **Low Power Consumption:** Suitable for battery-powered applications.  
- **ESD Protection:** ±15kV (Human Body Model) for robustness.  

### **Applications:**  
- Audio/Video Signal Routing  
- Battery-Powered Systems  
- Communication Systems  
- Test Equipment  
- Data Acquisition Systems  

This device is designed for high-performance signal switching in low-voltage applications.

Integrated T1/E1/J1 Short-Haul and Long-Haul Protection Switches