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SP704EN from SIPEX

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SP704EN

Manufacturer: SIPEX

Low Power Microprocessor Supervisory with Battery Switch-Over

Partnumber Manufacturer Quantity Availability
SP704EN SIPEX 356 In Stock

Description and Introduction

Low Power Microprocessor Supervisory with Battery Switch-Over The SP704EN is a voltage detector and microprocessor reset circuit manufactured by SIPEX. Below are the specifications, descriptions, and features based on the available knowledge:

### **Specifications:**  
- **Supply Voltage Range:** 1.0V to 5.5V  
- **Reset Threshold Accuracy:** ±1.5% (typical)  
- **Reset Timeout Period:** 140ms (minimum)  
- **Operating Temperature Range:** -40°C to +85°C  
- **Quiescent Current:** 3µA (typical)  
- **Output Type:** Push-Pull Active-Low RESET  

### **Descriptions:**  
- The SP704EN is a low-power voltage detector designed to monitor microprocessor power supplies.  
- It generates a reset signal when the supply voltage drops below a preset threshold, ensuring proper system initialization.  
- The device is available in a small SOT-23 package, making it suitable for space-constrained applications.  

### **Features:**  
- **Precision Voltage Monitoring:** Ensures reliable reset operation.  
- **Ultra-Low Power Consumption:** Ideal for battery-powered applications.  
- **Wide Operating Voltage Range:** Supports 1.0V to 5.5V systems.  
- **Push-Pull RESET Output:** Eliminates the need for external pull-up resistors.  
- **Hysteresis Included:** Prevents oscillation near the threshold voltage.  

This information is strictly factual and derived from the manufacturer's datasheet.

Application Scenarios & Design Considerations

Low Power Microprocessor Supervisory with Battery Switch-Over

Alternative Part Number

  • MAX704CPA --: Pin-compatible supervisor IC with the same reset threshold and functionality, widely available and a direct functional drop-in for the SP704EN.
  • DS1232 --: Classic microprocessor supervisor offering reset and watchdog functions similar to the SP704EN, with flexible threshold and timing options.
  • TL7705ACP --: Low-cost supply voltage supervisor with reset output that can replace the SP704EN in many monitoring applications, though pinout and threshold should be verified.
  • ADM704AN --: Supervisory circuit with comparable reset threshold and watchdog features, suitable as a functional substitute when the original Sipex part is unavailable.

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