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MAX933CUA from MAXIM,MAXIM - Dallas Semiconductor

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MAX933CUA

Manufacturer: MAXIM, MAX, MAIXM

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

Partnumber Manufacturer Quantity Availability
MAX933CUA MAXIM, MAX, MAIXM 10100 In Stock

Description and Introduction

Ultra Low-Power, Low-Cost Comparators with 2eference The MAX933CUA is a low-power, single/dual-supply comparator manufactured by Maxim Integrated (now part of Analog Devices). Below are its key specifications, descriptions, and features:

### **Specifications:**  
- **Supply Voltage Range:**  
  - Single Supply: +2.5V to +11V  
  - Dual Supply: ±1.25V to ±5.5V  
- **Low Supply Current:** 5µA (typical)  
- **Input Offset Voltage:** 1mV (max)  
- **Input Bias Current:** 10nA (max)  
- **Response Time:** 3µs (for 5mV overdrive)  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 8-pin µMAX (CUA)  

### **Descriptions:**  
- The MAX933CUA is a precision, low-power comparator optimized for battery-powered and portable applications.  
- It features a built-in 1.182V reference voltage, eliminating the need for an external reference in many applications.  
- The device operates with rail-to-rail inputs and has an open-drain output, making it compatible with mixed-voltage systems.  

### **Features:**  
- **Ultra-Low Power Consumption:** Ideal for battery-operated devices.  
- **Internal Voltage Reference:** 1.182V ±1% accuracy.  
- **Rail-to-Rail Inputs:** Works with signals near supply rails.  
- **Open-Drain Output:** Allows flexible interfacing with different logic levels.  
- **Wide Supply Range:** Supports single or dual supplies.  
- **Space-Saving Package:** 8-pin µMAX for compact designs.  

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

Application Scenarios & Design Considerations

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

Alternative Part Number

  • LTC1440CS8 --: Single/dual comparator with built-in reference in SO-8, functionally similar to the MAX933 and a common drop-in style alternative.
  • TLV3012AIDBVR --: Low-power comparator with integrated voltage reference, comparable function and small package, suitable replacement for battery-powered designs.
  • MCP6541T-I/OT --: Low-power comparator with reference option, widely available and pin-compatible in function for general comparator-with-reference applications.
  • LM393DR --: Widely available dual comparator in SO-8; requires an external reference but is a common cost-effective substitute for general comparator functions.
  • LTC1440CMS8 --: Single/dual comparator with built-in reference in MSOP-8, functionally similar to the MAX933 comparator-plus-reference family and pin-compatible in many designs.

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