3.0V or 3.3V microprocessor supervisory circuit. Reset threshold 2.625V. Active-low reset. Manual reset input. Backup-battery switch. Power-fail threshold accuracy +-4%. Power-fail comparator. Reset window +-75mV The MAX704RCSA is a high-performance, low-power RF transmitter IC manufactured by Maxim Integrated.  

### **Specifications:**  
- **Frequency Range:** 300MHz to 450MHz  
- **Supply Voltage:** 2.1V to 3.6V  
- **Output Power:** Adjustable up to +10dBm  
- **Modulation:** ASK/OOK  
- **Data Rate:** Up to 100kbps  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 8-pin SOIC  
- **Current Consumption:**  
  - 7.5mA (at +10dBm output)  
  - 1.5µA (shutdown mode)  

### **Descriptions:**  
The MAX704RCSA is designed for wireless applications requiring efficient, low-power RF transmission. It integrates a crystal oscillator, PLL, power amplifier, and modulation circuitry, making it suitable for remote keyless entry (RKE), garage door openers, and industrial wireless controls.  

### **Features:**  
- **Low Power Consumption:** Optimized for battery-operated devices.  
- **Adjustable Output Power:** Allows optimization for range and power efficiency.  
- **Integrated PLL & Crystal Oscillator:** Reduces external component count.  
- **Shutdown Mode:** Minimizes power consumption when inactive.  
- **Small Footprint:** 8-pin SOIC package for space-constrained designs.  

This device is ideal for applications requiring reliable, low-power RF transmission in the 300MHz to 450MHz range.

3.0V or 3.3V microprocessor supervisory circuit. Reset threshold 2.625V. Active-low reset. Manual reset input. Backup-battery switch. Power-fail threshold accuracy +-4%. Power-fail comparator. Reset window +-75mV