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Series Information for MAX98357AETE+ - Maxim Integrated


  • feature
    2.4mA Quiescent Current
  • feature
    25u03bcVRMS Output Noise (AV = 15dB)
  • feature
    3.2W Output Power into 4u03a9 at 5V
  • feature
    77dB PSRR at 1kHz
  • feature
    92% Efficiency (RL = 8u03a9, POUT = 1W)
  • feature
    Available in Space-Saving Packages:
  • feature
    Extensive Click-and-Pop Reduction Circuitry
  • feature
    Low 0.015% THD+N at 1kHz
  • feature
    Low RF Susceptibility Rejects TDMA Noise from GSM Radios
  • feature
    No MCLK Required
  • feature
    Robust Short-Circuit and Thermal Protection
  • feature
    Sample Rates of 8kHz to 96kHz
  • feature
    Single-Supply Operation (2.5V to 5.5V)
  • feature
    Sophisticated Edge Rate Control Enables Filterless Class D Outputs
  • feature
    Supports Left, Right, or (Left/2 + Right/2) Output


The MAX98357A/MAX98357B are digital pulse-code mod- ulation (PCM) input Class D power amplifiers that provide Class AB audio performance with Class D efficiency. These ICs offer five selectable gain settings (3dB, 6dB, 9dB, 12dB, and 15dB) in I2S/left-justified mode set by a single gain select input and a fixed 12dB gain in TDM mode. The digital audio interface is highly flexible with the MAX98357A supporting I2S data and the MAX98357B supporting left-justified data. Both ICs support 8 channel time division multiplexed (TDM) data. The digital audio interface accepts specified sample rates between 8kHz and 96kHz for all supported data formats. The ICs can be configured to produce a left channel, right channel, or (left/2 + right/2) output from the stereo input data. The ICs operate using 16/24/32-bit data for I2S and left-justified modes as well as 16-bit or 32-bit data using TDM mode. The ICs eliminate the need for the external MCLK signal that is typically used for PCM communication. This reduc- es EMI and possible board coupling issues in addition to reducing the size and pin count of the ICs. The ICs also feature a very high wideband jitter toler- ance (12ns typ) on BCLK and LRCLK to provide robust operation. Active emissions-limiting, edge-rate limiting, and over- shoot control circuitry greatly reduce EMI. A filterless spread-spectrum modulation scheme eliminates the need for output filtering found in traditional Class D devices and reduces the component count of the solution. The ICs are available in 9-pin WLP (1.345mm x 1.435mm x 0.64mm) and 16-pin TQFN (3mm x 3mm x 0.75mm) packages and are specified over the -40°C to +85°C tem- perature range.


Amplifier Class:
No. of Channels:
1 Channel
Output Power:
Supply Voltage Range:
2.5V to 5.5V
Amplifier Case Style:
No. of Pins:
Load Impedance:
Operating Temperature Min:
Operating Temperature Max:
Product Range:
MAX98357A Series
Automotive Qualification Standard:
RoHS Phthalates Compliant:
To Be Advised
MSL 1 - Unlimited
No SVHC (15-Jan-2018)

Alternate Descriptions

Avnet America

Audio Amp Speaker 1-CH Mono Class-D 16-Pin TQFN EP

Avnet America product

Avnet Europe

Audio Amp Speaker 1-CH Mono Class-D 16-Pin TQFN EP

Avnet Europe product