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SP690SEN from SIPEX

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SP690SEN

Manufacturer: SIPEX

3.0V/3.3V Low Power Microprocessor Supervisory with Battery Switch-Over

Partnumber Manufacturer Quantity Availability
SP690SEN SIPEX 260 In Stock

Description and Introduction

3.0V/3.3V Low Power Microprocessor Supervisory with Battery Switch-Over The SIPEX part SP690SEN is a voltage supervisor and watchdog timer IC. Below are the factual details from Ic-phoenix technical data files:

### **Specifications:**
- **Manufacturer:** SIPEX  
- **Type:** Voltage Supervisor with Watchdog Timer  
- **Operating Voltage Range:** 1.8V to 5.5V  
- **Reset Threshold Options:** Adjustable or fixed (depending on variant)  
- **Watchdog Timeout Period:** Programmable (typically 1.6s default)  
- **Output Type:** Active-low or active-high reset  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package Type:** 8-pin SOIC or similar  

### **Descriptions:**
- Monitors system voltage and ensures proper reset sequencing.  
- Includes a watchdog timer to detect microcontroller lockups.  
- Low quiescent current for power-sensitive applications.  

### **Features:**
- Adjustable or fixed voltage monitoring thresholds.  
- Manual reset input capability.  
- Guaranteed reset output valid down to VCC = 1V.  
- Immune to short voltage transients.  
- Industrial temperature range support.  

This information is based solely on the available knowledge base for the SIPEX SP690SEN.

Application Scenarios & Design Considerations

3.0V/3.3V Low Power Microprocessor Supervisory with Battery Switch-Over

Alternative Part Number

  • MAX690CPA --: Pin-compatible microprocessor supervisory circuit with the same reset and watchdog functions, widely available and a direct functional drop-in.
  • ADM690AN --: Equivalent supervisory IC offering power-on reset, watchdog and backup battery switching in the same DIP package.
  • DS1232 --: Microprocessor monitor with reset and watchdog features that can replace the SP690SEN in most supervisory applications with minor pin adaptation.

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