MAX9768ETG+

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1. Describe

The MAX9768 mono 10W Class-D speaker amplifier provides high-quality, high-efficiency audio power with integrated Volume control function. The MAX9768 features a 64-step dual mode (analog or Digitally programmable) volume control and mute function. Audio amplifier operates from 4.5V to 14V single supply and can deliver up to 10W into an 8Ω speaker with 14V power supply. Selectable spread spectrum mode reduces EMI emissions, enabling devices to pass EMC Tested with ferrite bead filters and cables up to 1m. The MAX9768 can be synchronized to an external clock, Allows synchronization of multiple Class D amplifiers. The MAX9768 has a high PSRR of 77dB and is 0.08% lower THD+N, the signal-to-noise ratio is as high as 97dB. strong short circuit and Thermal overload protection prevents equipment damage fault state. The MAX9768 is available in a 24-pin low-profile QFN-EP (4mm x 4mm x 0.8mm) package and specified Over an extended temperature range of -40°C to +85°C.

2. Feature

    1. 10W output (8Ω, PVDD = 14V, THD+N = 10%)

    2. Spread spectrum modulation

    3. Ferrite bead filter according to EN55022B EMC

    4. Amplifier operates from 4.5V to 14V supply

    5. 64-level integrated volume control (I2C or analog)

    6. Low 0.08% THD+N (RL = 8Ω, POUT = 6W)

    7. 77dB high PSRR

    8. Provides two tON times

        - MAX9768—220ms

        - MAX9768B—15ms

    9. Low power shutdown mode (0.5μA)

  10. Short circuit and thermal overload protection

3. Application

    1. Laptop

    2. Flat Panel Display

    3. Multimedia Display

    4. GPS navigation system

    5. Security/Personal Mobile Radio

4. Pin configuration