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MAX931CUA from MAXIM,MAXIM - Dallas Semiconductor

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MAX931CUA

Manufacturer: MAXIM, MAX

Ultra Low-Power, Low-Cost Comparators with 2eference

Partnumber Manufacturer Quantity Availability
MAX931CUA MAXIM, MAX 552 In Stock

Description and Introduction

Ultra Low-Power, Low-Cost Comparators with 2eference The MAX931CUA is a low-power, single-supply comparator manufactured by Maxim Integrated (now part of Analog Devices). Below are its key specifications, descriptions, and features:

### **Specifications:**  
- **Supply Voltage Range:** +2.5V to +11V (single supply)  
- **Low Supply Current:** 5µA (typical)  
- **Input Offset Voltage:** 2mV (max)  
- **Input Bias Current:** 1nA (max)  
- **Response Time:** 3µs (for 5mV overdrive)  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 8-pin µMAX (CUA)  

### **Descriptions:**  
- The MAX931CUA is a precision, low-power comparator optimized for single-supply operation.  
- It features an open-drain output, allowing flexible interfacing with different logic levels.  
- Designed for battery-powered and portable applications due to its ultra-low power consumption.  

### **Features:**  
- **Ultra-Low Power Consumption:** Ideal for battery-operated devices.  
- **Rail-to-Rail Inputs:** Supports input voltages from ground to VCC.  
- **Open-Drain Output:** Enables wired-OR connections and compatibility with higher voltage systems.  
- **Internal Hysteresis:** Reduces output chatter in noisy environments.  
- **Wide Supply Range:** Operates from +2.5V to +11V.  
- **Small Package:** 8-pin µMAX for space-constrained designs.  

This comparator is commonly used in threshold detection, level shifting, and power monitoring applications.

Application Scenarios & Design Considerations

Ultra Low-Power, Low-Cost Comparators with 2eference

Alternative Part Number

  • LM393AM --: Dual differential comparator with similar open-collector output and wide supply range; a common low-cost substitute for the MAX931 in many comparator applications.
  • TLV3201AIDBVR --: Single low-power comparator with push-pull output and fast response, suitable where the MAX931's low-power comparator function is needed.
  • LT1716CS5 --: Micropower single comparator in a small package with rail-to-rail input, offering comparable low-power comparator performance as a functional alternative.
  • MCP6541T-I/OT --: Low-power single comparator with open-drain output and wide supply voltage, offering similar functionality to the MAX931 in SOT-23 packages.

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