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MAX990EUA from MAXIM,MAXIM - Dallas Semiconductor

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MAX990EUA

Manufacturer: MAXIM

Micropower / Low-Voltage / SOT23 / Rail-to-Rail I/O Comparators

Partnumber Manufacturer Quantity Availability
MAX990EUA MAXIM 186 In Stock

Description and Introduction

Micropower / Low-Voltage / SOT23 / Rail-to-Rail I/O Comparators The MAX990EUA is a precision, low-power operational amplifier (op-amp) manufactured by Maxim Integrated. Below are its key specifications, descriptions, and features:

### **Specifications:**
- **Supply Voltage Range:** ±1.35V to ±5.5V (Dual Supply) or +2.7V to +11V (Single Supply)  
- **Input Offset Voltage:** 250µV (max)  
- **Input Bias Current:** 1nA (max)  
- **Gain Bandwidth Product (GBW):** 1MHz  
- **Slew Rate:** 0.5V/µs  
- **Quiescent Current:** 500µA (per amplifier)  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 8-pin µMAX  

### **Descriptions:**
- The MAX990EUA is a low-power, precision op-amp designed for applications requiring high accuracy and low power consumption.  
- It features rail-to-rail input and output operation, making it suitable for single-supply applications.  
- The device is optimized for battery-powered systems, sensor interfaces, and portable instrumentation.  

### **Features:**
- **Rail-to-Rail Input and Output**  
- **Low Input Offset Voltage (250µV max)**  
- **Low Input Bias Current (1nA max)**  
- **Low Quiescent Current (500µA per amplifier)**  
- **Wide Supply Voltage Range (2.7V to 11V single supply, ±1.35V to ±5.5V dual supply)**  
- **Stable with Capacitive Loads up to 300pF**  
- **Available in 8-pin µMAX Package**  

This op-amp is commonly used in precision signal conditioning, medical devices, and low-power sensor applications.

Application Scenarios & Design Considerations

Micropower / Low-Voltage / SOT23 / Rail-to-Rail I/O Comparators

Alternative Part Number

  • LM393N --: Dual comparator in DIP-8 with similar open-collector output and wide supply range; a common, well-stocked substitute for general comparator applications.
  • TLV3201AIDBVR --: Low-power single comparator in SOT-23 with rail-to-rail input and open-drain output, suitable where the MAX990's low-power comparator function is needed.
  • MCP6541T-I/OT --: Low-power single comparator with push-pull output in SOT-23, offering similar supply voltage range and low current consumption as an alternative.

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