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SP691AEN from SIPEX

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SP691AEN

Manufacturer: SIPEX, SP, ELANTEC

Low Power Microprocessor Supervisory with Battery Switch-Over

Partnumber Manufacturer Quantity Availability
SP691AEN SIPEX, SP, ELANTEC 9709 In Stock

Description and Introduction

Low Power Microprocessor Supervisory with Battery Switch-Over The part **SP691AEN** is manufactured by **SIPEX**. Below are the specifications, descriptions, and features based on available factual information:  

### **Specifications:**  
- **Manufacturer:** SIPEX  
- **Part Number:** SP691AEN  
- **Type:** Voltage Supervisor IC  
- **Number of Channels:** 1  
- **Output Type:** Active-Low, Push-Pull  
- **Reset Threshold Voltage:** Adjustable or Fixed (specific value depends on variant)  
- **Operating Voltage Range:** Typically 1.2V to 5.5V (exact range may vary)  
- **Reset Timeout Period:** Adjustable or fixed delay (e.g., 200ms)  
- **Operating Temperature Range:** Industrial grade (-40°C to +85°C)  

### **Descriptions:**  
- The SP691AEN is a precision voltage supervisor/monitor IC designed to monitor system voltage levels.  
- It provides a reset signal to microprocessors or digital systems when the supply voltage falls below a preset threshold.  
- Suitable for applications requiring reliable power-on reset and brownout detection.  

### **Features:**  
- **Low Power Consumption:** Ideal for battery-operated devices.  
- **Adjustable Threshold (if applicable):** Can be configured for different voltage levels.  
- **Manual Reset Input:** Allows external reset control.  
- **Guaranteed Reset Output:** Ensures valid reset signal even at very low voltages.  
- **Small Package Options:** Available in space-saving SOT-23 or similar packages.  

For exact threshold voltages, package details, or application-specific data, refer to the official SIPEX datasheet.

Application Scenarios & Design Considerations

Low Power Microprocessor Supervisory with Battery Switch-Over

Alternative Part Number

  • MAX691ACPE --: Pin-compatible microprocessor supervisory circuit with the same reset and watchdog functions, widely available and a direct functional drop-in for the SP691A.
  • ADM691AN --: Equivalent supervisory IC offering power-fail detection, reset generation and watchdog timer, matching the SP691AEN feature set in a DIP package.
  • DS1232 --: Microprocessor supervisor providing reset and watchdog functions; usable as a functional substitute where exact pinout compatibility is less critical.
  • TL7705ACP --: Common supply voltage supervisor providing reset output for microprocessor systems; usable alternative when watchdog and battery switchover are not required.

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