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MAX981CUA from MAXIM,MAXIM - Dallas Semiconductor

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MAX981CUA

Manufacturer: MAXIM

Ultra-Low-Power / Open-Drain / Single/Dual-Supply Comparators

Partnumber Manufacturer Quantity Availability
MAX981CUA MAXIM 62 In Stock

Description and Introduction

Ultra-Low-Power / Open-Drain / Single/Dual-Supply Comparators The MAX981CUA is a low-cost, high-performance microphone amplifier with automatic gain control (AGC) and a low-noise microphone bias, manufactured by Maxim Integrated (now part of Analog Devices).  

### **Specifications:**  
- **Supply Voltage Range:** 2.7V to 5.5V  
- **Quiescent Current:** 600µA (typical)  
- **Gain:** Adjustable (40dB, 50dB, or 60dB) via external resistor  
- **AGC Range:** Up to 60dB  
- **THD (Total Harmonic Distortion):** 0.04% (typical)  
- **Signal-to-Noise Ratio (SNR):** >90dB  
- **Microphone Bias Voltage:** 2V (typical)  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 8-pin µMAX (MSOP)  

### **Descriptions:**  
The MAX981CUA is designed for applications requiring high-quality audio amplification, such as voice recorders, communication devices, and portable audio equipment. It includes an AGC circuit to maintain consistent output levels despite varying input signal strengths.  

### **Features:**  
- **Automatic Gain Control (AGC):** Compresses dynamic range for consistent output.  
- **Low-Noise Microphone Bias:** Reduces interference for clear audio capture.  
- **Adjustable Gain:** Configurable via external resistor.  
- **Low Power Consumption:** Ideal for battery-powered devices.  
- **Small Form Factor:** 8-pin µMAX package for space-constrained designs.  
- **Wide Supply Range:** Compatible with 3V and 5V systems.  

This information is sourced from the manufacturer's datasheet.

Application Scenarios & Design Considerations

Ultra-Low-Power / Open-Drain / Single/Dual-Supply Comparators

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