MAX98372

PRODUCTION

Digital Input Class D Amplifier with DHT and Brownout Protection

High-Power Digital Class D with Brownout Protection and DHT Requires No Programming

Part Models
4
1ku List Price
Starting From $1.38
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Part Details

  • Wide Supply Range (5.5V to 18V)
  • Dynamic Headroom Tracking Maintains a Consistent Listening Experience
  • Integrated Thermal Foldback Allows Robust Operation in a WLP Package
  • Remote Output Sensing Allows Up to 20dB THD+N Improvement When Ferrites Are Used
  • Class D Edge Rate Control Enables Filterless Operation
  • 110dB A-Weighted Dynamic Range
  • Output Power at 1% THD+N:
    • 15.7W into 8Ω, VPVDD = 17V
    • 13.2W into 4Ω, VPVDD = 12V
  • Output Power at 10% THD+N
    • 19W into 8Ω, VPVDD = 17V
    • 15.8W into 4Ω, VPVDD = 12V
  • Speaker Amplifier Efficiency
    • 91% at 10W into 8Ω, VPVDD = 12V
    • 81% at 15W into 4Ω, VPVDD = 12V
  • ALC Provides Battery Brownout Protection
  • Extensive Click-and-Pop Suppression
  • 30-Bump, 0.4mm WLP and 32-Pin TQFN Packages
MAX98372
Digital Input Class D Amplifier with DHT and Brownout Protection
MAX98372: Detailed Functional Diagram
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Documentation

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Hardware Ecosystem

Parts Product Life Cycle Description
Product 1
MAX98371 Digital Input Class D Speaker Amplifier with Dynamic Headroom Tracking
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Tools & Simulations


Evaluation Kits

MAX98372TEVSYS

Evaluation System for the MAX98372 (TQFN)

Features and Benefits

  • 5.5V to 18V Single-Supply Operation (EV System)
  • USB Audio Streaming (EV System)
  • I2S, Left-Justified, or TDM Input
  • Optional Output Filters
  • Proven PCB Layout
  • Fully Assembled and Tested
  • Windows 7 (or Newer) Compatible Software

Product Details

The MAX98372 Evaluation System (EV system) evaluates the MAX98372 digital input Class D speaker amplifier with dynamic headroom tracking and automatic level control. The EV system comprises the MAX98372 development (DEV) board, Maxim’s audio interface 1 (AUDINT1) board, and the MAX98372 evaluation software.

The MAX98372 DEV board is a fully assembled and tested PCB that contains the necessary circuitry and connections to evaluate the MAX98372 device. It is recommended that the DEV board be evaluated with the AUDINT1 board as an EV system. The MAX98372 requires two supply inputs, 1.14V to 1.98V (DVDD) and 5.5V to 18V (PVDD), and can deliver 19W into an 8Ω load. Additionally, the MAX98372 supports standard I2S, left-justified, and TDM digital audio interfaces.

When evaluated as an EV system, the AUDINT1 board provides the necessary logic rails and USB-to-I2S and USB-to-I2C interfaces needed to evaluate the MAX98372 DEV board with only a single external power supply. The Simplified EV System Block Diagram provides an image of the EV system, highlighting the key areas on each board.

Communication with the DEV board is facilitated by Windows® 7 (or newer) compatible software that provides a simple and intuitive graphical user interface (GUI). The MAX98372 evaluation software is only for use with the MAX98372 EV System.

Applications

  • Notebook Computers
  • Soundbars
  • Tablets

MAX98372EVSYS

Evaluation Kit for the MAX98372

Features and Benefits

  • 5.5V to 18V Single-Supply Operation (EV System)
  • USB Audio Streaming (EV System)
  • I2S, Left-Justified, or TDM Input
  • Optional Output Filters
  • Proven PCB Layout
  • Fully Assembled and Tested
  • Windows 7- and Windows 8-Compatible Software

Product Details

The MAX98372 Evaluation System (EV system) evaluates the MAX98372 digital input Class D speaker amplifier with dynamic headroom tracking and automatic level control. The EV system comprises the MAX98372 development (DEV) board, Maxim’s audio interface 1 (AUDINT1) board, and the MAX98372 evaluation software.

The MAX98372 DEV board is a fully assembled and tested PCB that contains the necessary circuitry and connections to evaluate the MAX98372 device. It is recommended that the DEV board be evaluated with the AUDINT1 board as an EV system. The MAX98372 requires two supply inputs, 1.14V to 1.98V (DVDD) and 5.5V to 18V (PVDD), and can deliver 19W into an 8Ω load. Additionally, the MAX98372 supports standard I2S, left-justified, and TDM digital audio interfaces.

When evaluated as an EV system, the AUDINT1 board provides the necessary logic rails and USB-to-I2S and USB-to-I2C interfaces needed to evaluate the MAX98372 DEV board with only a single external power supply. The Simplified EV System Block Diagram provides an image of the EV system, highlighting the key areas on each board.

Communication with the DEV board is facilitated by Windows® 7- and Windows 8-compatible software that provides a simple and intuitive graphical user interface (GUI). The MAX98372 evaluation software is only for use with the MAX98372 EV System.

Applications

  • Notebook Computers
  • Soundbars
  • Tablets

MAX98372TEVSYS
Evaluation System for the MAX98372 (TQFN)
MAX98372EVSYS
Evaluation Kit for the MAX98372

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