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MAX692MJA from MAXIM,MAXIM - Dallas Semiconductor

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MAX692MJA

Manufacturer: MAXIM

Microprocessor Supervisory Circuits

Partnumber Manufacturer Quantity Availability
MAX692MJA MAXIM 2596 In Stock

Description and Introduction

Microprocessor Supervisory Circuits The MAX692MJA is a high-voltage, serial-interfaced, vacuum fluorescent display (VFD) tube driver manufactured by Maxim Integrated (now part of Analog Devices). Below are its key specifications, descriptions, and features:

### **Specifications:**
- **Manufacturer:** Maxim Integrated (now Analog Devices)  
- **Part Number:** MAX692MJA  
- **Package:** 8-Pin CERDIP  
- **Operating Voltage Range:** 4.5V to 5.5V (logic supply)  
- **Output Voltage:** Up to 76V (for driving VFD segments)  
- **Serial Interface:** SPI-compatible (3-wire)  
- **Number of Outputs:** 20 (segments/grids)  
- **Operating Temperature Range:** -55°C to +125°C (military-grade)  
- **Current Consumption:** Low power (typ. 1.5mA operating current)  

### **Descriptions:**
The MAX692MJA is designed to drive vacuum fluorescent displays (VFDs) with high-voltage requirements. It integrates a serial-to-parallel converter, allowing microcontroller interfacing via SPI. The device includes an internal charge pump to generate the high voltages needed for VFD operation. It is commonly used in automotive, industrial, and consumer electronics applications where VFDs are utilized.

### **Features:**
- **High-Voltage Outputs:** Supports up to 76V for VFD anode/grid driving.  
- **SPI-Compatible Interface:** Simplifies microcontroller interfacing.  
- **Internal Charge Pump:** Eliminates the need for an external high-voltage supply.  
- **Wide Temperature Range:** Suitable for harsh environments (military-grade).  
- **Low Power Consumption:** Optimized for battery-powered applications.  
- **20 Output Channels:** Drives multiple VFD segments or grids.  
- **Compact CERDIP Package:** Rugged and reliable for industrial use.  

This information is based solely on the manufacturer's datasheet and technical documentation.

Application Scenarios & Design Considerations

Microprocessor Supervisory Circuits

Alternative Part Number

  • ICL7665SIPA --: Pin-compatible CMOS voltage monitor/supervisor in 8-pin DIP, functionally similar to the MAX692 supervisor with comparable threshold and reset functions.
  • MC34161P --: Dual voltage monitor IC in 8-pin DIP offering over/under-voltage detection similar to the MAX692, widely available and cost effective.
  • TL7705ACP --: Classic 5V supply voltage supervisor in 8-pin DIP with reset output, a common drop-in style replacement for MAX692-type supervisor applications.

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