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MAX731EWE

Manufacturer: MAXIM

+5V/Adjustable Step-Up Current-Mode DC-DC Converters

Partnumber Manufacturer Quantity Availability
MAX731EWE MAXIM 100 In Stock

Description and Introduction

+5V/Adjustable Step-Up Current-Mode DC-DC Converters The MAX731EWE is a serial-interfaced peripheral manufactured by Maxim Integrated. Below are its specifications, descriptions, and features based on Ic-phoenix technical data files:

### **Specifications:**
- **Manufacturer:** Maxim Integrated  
- **Package:** 16-pin Wide SOIC (SO-16)  
- **Interface:** I²C-compatible 2-wire serial interface  
- **Operating Voltage:** 2.7V to 5.5V  
- **Number of I/O Ports:** 8 programmable I/O pins  
- **Output Current per Pin:** 20mA (sink/source)  
- **Operating Temperature Range:** -40°C to +85°C  
- **Quiescent Current:** 1μA (standby mode)  

### **Descriptions:**
The MAX731EWE is an I/O expander that provides 8 general-purpose input/output (GPIO) ports controlled via an I²C interface. It is designed for applications requiring additional I/O expansion in space-constrained systems. The device supports both input and output configurations with programmable polarity inversion and interrupt capabilities.

### **Features:**
- **I²C-Compatible Interface:** Supports standard (100kHz) and fast (400kHz) modes.  
- **Programmable I/O Pins:** Each pin can be independently configured as input or output.  
- **Interrupt Output:** Indicates input port state changes.  
- **Active-Low Reset Input:** Hardware reset for initialization.  
- **Low Standby Current:** 1μA in shutdown mode for power efficiency.  
- **Wide Voltage Range:** Operates from 2.7V to 5.5V, compatible with 3V and 5V systems.  
- **Industrial Temperature Range:** Suitable for harsh environments (-40°C to +85°C).  

This information is strictly factual from the available knowledge base.

Application Scenarios & Design Considerations

+5V/Adjustable Step-Up Current-Mode DC-DC Converters

Alternative Part Number

  • LTC1150CS8 --: Similar zero-drift chopper-stabilized op-amp in SO-8 package, good functional replacement for precision low-offset applications.
  • ICL7650SCBA --: Chopper-stabilized operational amplifier with very low offset voltage, comparable performance in a similar package.
  • OPA277UA --: Precision low-offset op-amp in SO-8, suitable alternative when ultra-low drift is required.
  • LTC1151CSW --: Dual high-voltage op amp in SO-16 wide body, similar function and package to MAX731, from a different series and vendor.
  • ICL7612DCSA --: Low-power CMOS op amp with comparable supply range and SO package, a common cross-reference for MAX7xx series parts.
  • OPA2277UA --: Precision dual op amp in SOIC package, widely available and functionally interchangeable in many MAX731 applications.

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