IS31AP2005-SLS2-TR

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Introduction

The IS31AP2005-SLS2-TR Audio Class D Amplifier from ISSI is a 28 V, 5 A, 500 W high-efficiency, high-performance operational amplifier intended for use in home audio applications. It is designed for power systems that require high voltage, high power output with low power consumption. The IS31AP2005-SLS2-TR offers superior sound quality and power efficiency with a wide temperature range of -40°C to +105°C, making it ideal for home audio applications.

Application Field

The IS31AP2005-SLS2-TR Audio Class D Amplifier is suitable for many applications, including: home theater and sound systems, digital audio systems, multimedia applications, high-end car audio systems, professional audio systems, and home audio systems. It is also ideal for automotive applications where low power consumption, superior sound quality, and low EMI are desired.

Working Principle

The IS31AP2005-SLS2-TR Audio Class D Amplifier operates on a power supply of up to 28V. It utilizes a two-stage amplification cycle to achieve 600W of peak power output. The first stage is a high power, low distortion class D stage. The second stage is a linear pre-amplifier providing adjustable gains, high quality audio processing and lower output noise. The IC utilizes a built-in feedback loop in the power amplifier stage to reduce THD (total harmonic distortion) and DNR (dynamic noise rejection). In order to reduce audible noise, the IC has two switchable low pass filters.The IS31AP2005-SLS2-TR power supply is protected by built-in over-current, over-voltage, and short-circuit protection. The IC also has built-in thermal protection and a soft-start feature that reduces current and power consumption at power-on. The IC includes an external mute control input and a standby control input.When the mute control input is asserted, the IC’s output is muted and no current is drawn. When the standby control is asserted, the IC enters another low power state while still configured to respond to any input audio signal.The IC also includes a voltage-controlled attenuator control port which allows for external control of the gain of the amplifier. The IC also includes two output limiters for added protection of the speakers. It also supports frequency compensation for stability and improved transient response.

Conclusion

The IS31AP2005-SLS2-TR Audio Class D Amplifier from ISSI is a high-efficiency, high-performance amplifier that is designed for home audio applications. It offers superior sound quality, low power consumption and built-in protection features. The IC utilizes a two-stage amplification cycle and a feedback loop to reduce THD and DNR. It also offers a voltage-controlled attenuator control port and two output limiters for added protection.

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