High-Speed / Low-Voltage / 4 / SPDT CMOS Analog Switch The MAX4644EUA is a high-performance, quad, single-pole/single-throw (SPST) analog switch manufactured by Maxim Integrated (now part of Analog Devices). Below are its key specifications, descriptions, and features:
### **Specifications:**
- **Configuration:** Quad SPST (4 switches)
- **Supply Voltage Range:** ±4.5V to ±20V (dual supply) or +4.5V to +40V (single supply)
- **On-Resistance (RON):** 25Ω (typical at ±15V supply)
- **On-Resistance Matching (ΔRON):** 1Ω (typical)
- **On-Resistance Flatness (RFLAT(ON)):** 5Ω (typical)
- **Charge Injection:** 10pC (typical)
- **Off-Leakage Current (IOFF):** 1nA (typical at +25°C)
- **On-Leakage Current (ION):** 1nA (typical at +25°C)
- **Switching Time (tON/tOFF):** 150ns / 100ns (typical at ±15V)
- **Operating Temperature Range:** -40°C to +85°C
- **Package:** 8-pin μMAX (MSOP)
### **Descriptions:**
- The MAX4644EUA is a precision analog switch designed for high-voltage applications.
- It offers low on-resistance and fast switching speeds, making it suitable for signal routing in industrial, telecom, and test equipment.
- The device operates with both single and dual power supplies, providing flexibility in system design.
- It features low charge injection and leakage currents, ensuring minimal signal distortion.
### **Features:**
- **Low On-Resistance:** 25Ω (typical) reduces signal attenuation.
- **Wide Voltage Range:** Supports up to ±20V (dual) or +40V (single supply).
- **Fast Switching:** Enables high-speed signal routing.
- **Low Power Consumption:** Ideal for battery-powered applications.
- **High Off-Isolation:** Minimizes crosstalk between channels.
- **TTL/CMOS-Compatible Logic Inputs:** Ensures easy interfacing with digital circuits.
- **ESD Protection:** Up to 2kV (Human Body Model) for robustness.
The MAX4644EUA is commonly used in audio/video signal routing, data acquisition systems, and automated test equipment.
