MAX9867ETJ+T by Maxim Integrated | Audio CODECs | Avnet AMERICAS
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MAX9867ETJ+T

Maxim Integrated

Audio Codec 2ADC / 2DAC 32-Pin TQFN EP T/R

Manufacturer Part #: MAX9867ETJ+T

Avnet Manufacturer Part #: MAX9867ETJ+T


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The MAX9867 is an ultra-low power stereo audio codec designed for portable consumer devices such as mobile phones and portable gaming consoles. The device features stereo differential microphone inputs that can be connected to either analog or digital microphones. The single-ended line inputs, with configurable preamplifier, can be sent to the ADC for record or routed directly to the headphone amplifier for playback. An auxiliary ADC path can be used to track any DC voltage. The stereo headphone amplifiers support differential, single-ended, and capacitorless output configurations. Using the capacitorless output configuration, the device can output 10mW into 32Ω headphones. Comprehensive click-and-pop circuitry suppresses audible clicks and pops during volume changes and startup or shutdown. Utilizing Maxim's proprietary digital circuitry, the device can accept any available 10MHz to 60MHz system clock. This architecture eliminates the need for an external PLL and multiple crystal oscillators. The stereo ADC and DAC paths provide user-configurable voiceband or audioband digital filters. Voiceband filters provide extra attenuation at the GSM packet frequency and greater than 70dB stopband attenuation at fS/2. The MAX9867 operates from a single 1.8V supply, and supports a 1.65V to 3.6V logic level. An I²C 2-wire serial interface provides control for volume levels, signal mixing, and general operating modes. The MAX9867 is available in a tiny 2.2mm x 2.7mm, 0.4mm-ball-pitch, WLP package. A 32-pin 5mm x 5mm TQFN package is also available. Request S/W Drivers

Key Features

  • 1.8V Single-Supply Operation
  • 6.7mW Playback Power Consumption
  • 90dB Stereo DAC, 8kHz ≤ fS ≤ 48kHz
  • 85dB Stereo ADC, 8kHz ≤ fS ≤ 48kHz
  • Battery-Measurement Auxiliary ADC
  • Support for Any Master Clock Between 10MHz to 60MHz
  • Stereo Digital Microphone Input Support
  • Stereo Analog Differential Microphone Inputs
  • Stereo Headphone Amplifiers: Differential, Single-Ended, or Capacitorless
  • Stereo Line Inputs
  • Voiceband Filter with a Stopband Attenuation Greater than 70dB
  • 1.65V to 3.6V Digital Interface Supply Voltage
  • I²S/TDM-Compatible Digital Audio Bus
  • 30-Bump, 2.2mm x 2.7mm 0.4mm-Pitch WLP

Technical Attributes

Description
Value
Find similar Parts
Lead Finish
Matte Tin
Product Dimensions
5 x 5 x 0.73 mm

ECCN / UNSPSC

Description
Value
ECCN:
EAR99
SCHEDULE B:
8542390000
HTSN:
8542390001
UNSPSC:
32101668
UNSPSC VERSION:
V15.1101

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