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MAX942ESA from MAX,MAXIM - Dallas Semiconductor

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MAX942ESA

Manufacturer: MAX, MAXIM, MAXIM

High-Speed, Low-Power, 3V/5V, Rail-to-Rail Single-Supply Comparators

Partnumber Manufacturer Quantity Availability
MAX942ESA MAX, MAXIM, MAXIM 157 In Stock

Description and Introduction

High-Speed, Low-Power, 3V/5V, Rail-to-Rail Single-Supply Comparators **Manufacturer:** MAXIM (now part of Analog Devices)  

**Part Number:** MAX942ESA  

### **Specifications:**  
- **Supply Voltage Range:** ±2.5V to ±6V (Dual Supply) or +5V to +12V (Single Supply)  
- **Input Common-Mode Voltage Range:** -0.3V to V+ + 0.3V  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 8-Pin SOIC (Small Outline Integrated Circuit)  
- **Number of Channels:** Dual  
- **Output Type:** Push-Pull  
- **Propagation Delay:** 40ns (Typical)  
- **Quiescent Current:** 1.5mA per Comparator (Typical)  
- **Input Bias Current:** 0.5nA (Typical)  
- **Input Offset Voltage:** 1mV (Max)  
- **Slew Rate:** 7V/μs (Typical)  
- **Output Current:** ±20mA (Sink/Source)  

### **Descriptions:**  
The MAX942ESA is a high-speed, low-power, dual comparator from Maxim Integrated (now Analog Devices). It is designed for precision applications requiring fast response times and low power consumption. The device operates over a wide supply voltage range and features push-pull outputs, eliminating the need for external pull-up resistors.  

### **Features:**  
- **High-Speed Operation:** 40ns propagation delay  
- **Low Power Consumption:** 1.5mA per comparator  
- **Wide Supply Range:** ±2.5V to ±6V (Dual Supply) or +5V to +12V (Single Supply)  
- **Rail-to-Rail Inputs:** Supports input voltages beyond supply rails  
- **Push-Pull Outputs:** No external pull-up resistors required  
- **Low Input Bias Current:** 0.5nA (Typical)  
- **ESD Protection:** Up to 2kV (Human Body Model)  
- **Industrial Temperature Range:** -40°C to +85°C  

This device is commonly used in battery-powered systems, level detection, window comparators, and high-speed signal processing applications.

Application Scenarios & Design Considerations

High-Speed, Low-Power, 3V/5V, Rail-to-Rail Single-Supply Comparators

Alternative Part Number

  • LM393M --: Dual comparator with similar open-collector output and supply range, widely available and pin-compatible in SOIC-8.
  • LT1017CS8 --: Low-power dual comparator offering comparable speed and input characteristics, suitable drop-in for many MAX942 applications.
  • TLV3201AIDR --: Fast dual comparator with rail-to-rail inputs, good functional substitute when higher speed and lower voltage operation are acceptable.
  • TLV3201AIDBVR --: Fast single comparator alternative when only one channel is needed, with rail-to-rail input and low propagation delay.
  • LM393MX/NOPB --: Dual comparator with similar open-collector output and supply range; widely available and pin-compatible in many SOIC-8 designs.
  • LT1720CS8#PBF --: Fast dual comparator in SOIC-8 with comparable performance for high-speed signal detection circuits.

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