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MAX9812LEXT+T from MAXIM,MAXIM - Dallas Semiconductor

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MAX9812LEXT+T

Manufacturer: MAXIM

Tiny, Low-Cost, Single/Dual-Input, Fixed-Gain Microphone Amplifiers with Integrated Bias

Partnumber Manufacturer Quantity Availability
MAX9812LEXT+T,MAX9812LEXTT MAXIM 1813 In Stock

Description and Introduction

Tiny, Low-Cost, Single/Dual-Input, Fixed-Gain Microphone Amplifiers with Integrated Bias The MAX9812LEXT+T is a microphone amplifier with automatic gain control (AGC) and low-noise microphone bias from Maxim Integrated (now part of Analog Devices).  

### **Specifications:**  
- **Manufacturer:** Maxim Integrated  
- **Type:** Microphone Amplifier with AGC  
- **Supply Voltage Range:** 2.7V to 5.5V  
- **Quiescent Current:** 500µA (typical)  
- **Gain Range:** Adjustable from 40dB to 60dB  
- **AGC Range:** 30dB  
- **THD+N (Total Harmonic Distortion + Noise):** 0.04% (typical)  
- **PSRR (Power Supply Rejection Ratio):** 80dB (typical)  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 6-TDFN (2mm x 2mm)  

### **Descriptions:**  
The MAX9812LEXT+T is designed for portable audio applications, providing high-quality amplification for electret microphones. It includes an AGC function to maintain consistent output levels under varying input conditions. The device features a low-noise microphone bias and adjustable gain settings.  

### **Features:**  
- Automatic Gain Control (AGC)  
- Low-Noise Microphone Bias  
- Adjustable Gain (40dB to 60dB)  
- Low THD+N (0.04%)  
- High PSRR (80dB)  
- Wide Supply Voltage Range (2.7V to 5.5V)  
- Small 6-TDFN Package  

This information is sourced from the manufacturer's datasheet and product documentation.

Application Scenarios & Design Considerations

Tiny, Low-Cost, Single/Dual-Input, Fixed-Gain Microphone Amplifiers with Integrated Bias

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