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MAX982CUA from MAXIM,MAXIM - Dallas Semiconductor

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MAX982CUA

Manufacturer: MAXIM

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

Partnumber Manufacturer Quantity Availability
MAX982CUA MAXIM 31 In Stock

Description and Introduction

Ultra-Low-Power / Open-Drain / Single/Dual-Supply Comparators The MAX982CUA is a microphone amplifier manufactured by Maxim Integrated (now part of Analog Devices). Below are the factual specifications, descriptions, and features from Ic-phoenix technical data files:

### **Specifications:**  
- **Manufacturer:** Maxim Integrated (now Analog Devices)  
- **Part Number:** MAX982CUA  
- **Package:** 8-pin μMAX (UCSP is also available)  
- **Supply Voltage Range:** 2.7V to 5.5V  
- **Quiescent Current:** 1.1mA (typical)  
- **Gain:** Adjustable (external resistor) or fixed internal gain options  
- **Input-Referred Noise:** 4.5μV (typical)  
- **PSRR (Power Supply Rejection Ratio):** 80dB (typical)  
- **THD+N (Total Harmonic Distortion + Noise):** 0.01% (typical)  
- **Operating Temperature Range:** -40°C to +85°C  

### **Descriptions:**  
The MAX982CUA is a low-power, high-performance microphone amplifier designed for portable audio applications. It features a low-noise preamplifier with adjustable gain, making it suitable for electret condenser microphones (ECMs). The device operates from a single supply and includes features such as a low-noise bias voltage for the microphone and shutdown mode for power savings.  

### **Features:**  
- Low quiescent current (1.1mA typical) for battery-powered applications  
- Adjustable or fixed gain options  
- Low input-referred noise (4.5μV typical)  
- Integrated microphone bias voltage (2V typical)  
- High PSRR (80dB) for noise immunity  
- Shutdown mode for power saving  
- Small footprint (8-pin μMAX or UCSP package)  
- Wide supply voltage range (2.7V to 5.5V)  

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

Application Scenarios & Design Considerations

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

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