Low power FM IF system The **SA614AD** is a monolithic low-power FM IF system manufactured by **PHILIPS Semiconductors** (now NXP Semiconductors). Below are its specifications, descriptions, and features based on the available knowledge base:
### **Specifications:**
1. **Supply Voltage Range:** 2.7V to 6V
2. **Operating Current:** 3mA (typical at 3V)
3. **Operating Frequency Range:** Up to 100MHz
4. **IF Amplifier Gain:** 60dB (typical)
5. **RSSI (Received Signal Strength Indicator) Dynamic Range:** 60dB (typical)
6. **Quiescent Output Voltage (RSSI):** 1.5V (typical)
7. **Package Type:** SO-16 (Surface Mount)
### **Descriptions:**
- The **SA614AD** is a low-power FM IF system designed for applications such as **FM receivers, cordless phones, and wireless communication systems**.
- It integrates an **IF amplifier, quadrature detector, RSSI, and a logarithmic amplifier** in a single chip.
- The device is optimized for **low-voltage operation**, making it suitable for battery-powered applications.
- It provides **excellent sensitivity and selectivity** for FM demodulation.
### **Features:**
- **Low power consumption** (ideal for portable devices).
- **High gain IF amplifier** with limiting characteristics.
- **On-chip quadrature detector** for FM demodulation.
- **Wide supply voltage range** (2.7V to 6V).
- **Integrated RSSI** for signal strength monitoring.
- **Logarithmic amplifier** for improved dynamic range.
- **Surface-mount package (SO-16)** for compact PCB designs.
This information is based on the manufacturer's datasheet and technical documentation. For detailed electrical characteristics and application circuits, refer to the official datasheet from **NXP (formerly PHILIPS Semiconductors)**.
