MAX9586AZK+T

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Introduction

MAX9586AZK+T is a linear, audio amplifier designed for video applications. It is specifically designed for HDMI audio as well as 3D audio, providing a clean signal and low noise thanks to its integrated output channel filters. It provides high performance, low power consumption and low device temperature. The MAX9586AZK+T is the ideal choice for a variety of audio-video applications.

Application Field

The MAX9586AZK+T is ideally suited for applications such as 3DTV video applications, A/V receivers, TV set-top boxes and audio-video home theater systems. It is easily configured for both stereo and multichannel audio. The MAX9586AZK+T is also suitable for other audio applications such as gaming consoles, multi-room audio systems and automotive audio applications, as well as for digital audio and low power applications.

Working Principle

The MAX9586AZK+T is a dual low-power, precision, closed loop audio amplifier designed for 3DTV video applications. It features a DRC (Dynamic Range Control) mode which ensures optimal control of audio signals, thus providing a better listening experience. The amplifier also supports volume, bass and treble control, thus allowing users to customize the sound according to their needs and preferences. The MAX9586AZK+T offers two independent high-precision output channels with built-in filters that provide wide dynamic range.

The device uses a differential-input architecture and based on a hybrid PNP and NPN bipolar power transistor design, allowing it to provide clean and precise amplification with a low-noise floor. The MAX9586AZK+T operates from a single 5V supply and includes a low-voltage CMOS-controlled input amplifier, a differential-output amplifier, DC offsets, thermal shutdown and peak current protection.

The MAX9586AZK+T’s input amplifier consists of an NTSC/PAL standard amplifier with a full load output impedance of 330 Ω. The differential-output amplifier has an output dynamic range of 0.1 dB and a total harmonic distortion (THD) of -87 dB. The amplifier provides a low-noise floor and excellent sound reproduction by reducing group delay variations. Additionally, the MAX9586AZK+T includes a supply sequencer with programmable ramp-up and ramp-down times, plus two adjustable boost and two adjustable voltage thresholds.

The MAX9586AZK+T supports up to 8 kHz sampling frequency and is also compatible with sampling frequencies of up to 12 kHz and 14 kHz for full-range audio. The amplifier has an output power of 2W/channel into 8 Ω at a <1% THD. It can be used for Class D and Class BB designs.

Conclusion

The MAX9586AZK+T is an ideal choice for a variety of audio-video applications. It is highly efficient, has a low power consumption and heat dissipation design. The MAX9586AZK+T offers two independent high-precision output channels with built-in filters that provide wide dynamic range, which ensures optimal control of audio signals. It can be used for both stereo and multichannel audio, as well as for digital audio and low power applications. The MAX9586AZK+T provides a great audio performance while consuming very little power.

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