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MAX9021AXK+T from MAXIM,MAXIM - Dallas Semiconductor

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MAX9021AXK+T

Manufacturer: MAXIM

Micropower, Ultra-Small, Single/Dual/Quad Single-Supply Comparators

Partnumber Manufacturer Quantity Availability
MAX9021AXK+T MAXIM 2500 In Stock

Description and Introduction

Micropower, Ultra-Small, Single/Dual/Quad Single-Supply Comparators The MAX9021AXK+T is a high-speed, low-power comparator manufactured by Maxim Integrated.  

### **Key Specifications:**  
- **Supply Voltage Range:** 2.7V to 5.5V  
- **Propagation Delay:** 4.5ns (typical)  
- **Low Quiescent Current:** 1.5mA (typical)  
- **Input Offset Voltage:** ±1mV (max)  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** SC-70 (5-pin)  

### **Descriptions:**  
- Single, high-speed comparator with rail-to-rail inputs.  
- Optimized for low-power applications with fast response times.  
- Internal hysteresis for improved noise immunity.  

### **Features:**  
- **High Speed:** 4.5ns propagation delay.  
- **Low Power:** 1.5mA supply current.  
- **Wide Supply Range:** 2.7V to 5.5V.  
- **Rail-to-Rail Inputs:** Compatible with signals up to supply rails.  
- **Internal Hysteresis:** Reduces output chatter.  
- **Small Package:** SC-70 (5-pin) for space-constrained designs.  

This comparator is suitable for applications requiring fast response times, such as signal conditioning, threshold detection, and line receivers.

Application Scenarios & Design Considerations

Micropower, Ultra-Small, Single/Dual/Quad Single-Supply Comparators

Alternative Part Number

  • TLV3201AIDBVR --: Pin-compatible single comparator in SOT-23-5 with similar supply voltage range and push-pull output, widely available and cost-effective.
  • LMV7219M5X --: Single comparator in SOT-23-5 with comparable propagation delay and low-voltage operation, suitable drop-in replacement for many MAX9021 applications.
  • ADCMP600BRJZ-RL7 --: High-speed single comparator with push-pull output and similar supply range, offering improved performance where faster response is acceptable.

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