Manufacturer Part Number
MAX4468EKA
Manufacturer
Maxim Integrated
Introduction
The MAX4468EKA is a single-channel, high performance, low-noise preamplifier designed for audio and speech applications.
Product Features and Performance
Single-channel preamplifier
Low-noise operation
Wide bandwidth
Low quiescent current
Gain range from 0dB to 40dB
Selectable gain through external resistors
Low total harmonic distortion (THD)
Internal input bias network
Product Advantages
Optimized for portable, battery-powered applications
Enables efficient power management
Suitable for a wide range of audio and speech applications
Flexible gain setting through external resistors
Key Technical Parameters
Input voltage range: 2.7V to 5.5V
Maximum supply current: 1.5mA
Bandwidth: 20Hz to 20kHz
Gain range: 0dB to 40dB
Input-referred noise: 4nV/√Hz
Total harmonic distortion (THD): 0.01%
Quality and Safety Features
RoHS compliant (Restriction of Hazardous Substances)
ESD protection
Thermal shutdown protection
Compatibility
Designed for use in cellular phones, digital dictation devices, headsets, hearing aids, and portable computing applications.
Application Areas
Cellular phones
Digital dictation devices
Headsets
Hearing aids
Portable computing
Product Lifecycle
The MAX4468EKA is an actively supported product in Maxim Integrated's portfolio.
Replacements and upgrades are available from Maxim Integrated.
Several Key Reasons to Choose This Product
High performance, low-noise preamplifier
Optimized for portable, battery-powered applications
Flexible gain setting through external resistors
Wide bandwidth and low THD for high-quality audio
Robust protection features for reliable operation
Suitable for a wide range of audio and speech applications