Overview

Features and Benefits

  • 2.4V to 5.5V Single-Supply Operation
  • Adjustable Gain or Fixed-Gain Options
  • High PSRR (86dB at 1kHz)
  • High CMRR (70dB at 1kHz)
  • Low Input-Referred Noise
  • Integrated Microphone Bias
  • 750µA Supply Current
  • 0.3µA Shutdown Current
  • ±4kV ESD Protection (AUX_IN)
  • Rail-to-Rail Outputs
  • THD+N: 0.04% at 1kHz
  • Available in Space-Saving Packages
    • 8-Pin TDFN (MAX4060/MAX4061)
    • 8-Pin µMAX (MAX4060/MAX4061)
    • 10-Pin µMAX (MAX4062)

Product Details

The MAX4060/MAX4061/MAX4062 are differential-input microphone preamplifiers optimized for notebook and PDA audio systems. These devices feature adjustable gain with excellent power-supply rejection and common-mode rejection ratios, making them ideal for low-noise applications in portable audio systems.

The MAX4060/MAX4062 are capable of switching their output between the differential input and a single-ended auxiliary microphone amplifier input. In addition, the MAX4060/MAX4062 have a low-noise microphone bias generator. The differential gain of the MAX4061/MAX4062 is set with a single resistor. The MAX4060 has a fixed gain of 10V/V and is PC99/2001 compliant. The MAX4061 includes a complete shutdown mode. In shutdown, the supply current is reduced to 0.3µA and the current to the microphone bias is cut off for ultimate power savings.

The MAX4060 operates from a 4.5V to 5.5V single supply and the MAX4061/MAX4062 operate from 2.4V to 5.5V. All devices are specified over the extended operating temperature range, -40°C to +85°C. The MAX4060/MAX4061 are available in tiny 8-pin TDFN (3mm x 3mm x 0.8mm) and 8-pin µMAX® packages. The MAX4062 is available in a 10-pin µMAX package.

Applications

  • AES-42 Compliant Microphones
  • Notebook Audio Systems
  • PDA Audio Systems
  • Signal Conditioning
  • Tablet PCs
  • USB Audio Peripherals

Product Lifecycle icon-recommended Production

At least one model within this product family is in production and available for purchase. The product is appropriate for new designs but newer alternatives may exist.

Product Recommendations

MAX4061 Companion Parts

Recommended Related Parts

Design Resources

ADI has always placed the highest emphasis on delivering products that meet the maximum levels of quality and reliability. We achieve this by incorporating quality and reliability checks in every scope of product and process design, and in the manufacturing process as well.  "Zero defects" for shipped products is always our goal.

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