TDA8953J/N1,112

Series:	--
Packaging:	Tube
Part Status:	Active
Type:	Class D
Output Type:	1-Channel (Mono) or 2-Channel (Stereo)
Max Output Power x Channels @ Load:	420W x 1 @ 8 Ohm, 210W x 2 @ 4 Ohm
Voltage - Supply:	±12.5 V ~ 42.5 V
Features:	Depop, Differential Inputs, Mute, Short-Circuit Protection
Mounting Type:	Through Hole
Operating Temperature:	-40°C ~ 85°C (TA)
Supplier Device Package:	DBS23P
Package / Case:	23-SIP Formed Leads
Base Part Number:	TDA8953

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The TDA8953J/N1,112 is a high-performance, integrated circuit audio power amplifiers operating from a single power supply with minimum external components. It provides high performance in a wide range of audio applications, such as car audio, consumer audio, professional audio, and mobile audio. This power amplifier has several features that make it ideal for audio applications, including high efficiency, low distortion, low noise, low power consumption, and high output power.

Overview of TDA8953J/N1,112

The TDA8953J/N1,112 is designed to provide high performance, reliable audio amplification in a variety of applications. It is a two-channel audio power amplifier with a very low distortion and noise level. It has an integrated power stage with thermal and over-voltage protection, and can drive various audio loads. The power amplifier has an integrated output stage with a wide operating range of up to 55W in BTL (bridge-tied load) mode, or up to 30W on each channel in Stereo (two channel) mode. The device also includes a wide voltage range from 4.5V to 24V, and a low power consumption of only a few milliwatts in standby mode.

Application Fields for TDA8953J/N1,112

The TDA8953J/N1,112 is designed to provide high-performance audio amplification in a variety of applications. It is ideal for automotive applications and other applications that require reliable and high-performance audio signal processing such as portable audio, home audio, professional audio, and personal listening platforms. The integrated power stage makes it an ideal choice for applications that require low power consumption with uncompromised performance. The amplifier is also suitable for applications that require high efficiency and low distortion, low noise, and high output power.

Working Principle of TDA8953J/N1,112

The TDA8953J/N1,112 is a Class D amplifier, meaning that the output power is modulated by the amplitude of the input signal. The amplifier is based on a pulse-width modulation (PWM) topology. It uses a proprietary dual-channel architecture that combines the outputs of two power stages with a shared modulation stage for increased efficiency and better sound quality. The power stages are controlled by a digital signal processing (DSP) unit which uses a differential pulse code modulation (DPCM) algorithm to reduce distortion from overshoot and undershoot. The amplifier also uses a dynamic biasing system that maintains the optimal temperature of the integrated power stage, resulting in higher efficiency and better performance.

Conclusion

The TDA8953J/N1,112 is an ideal choice for high-performance audio applications. This integrated circuit offers excellent performance and low power consumption, making it well-suited for automotive and professional audio applications. It provides high efficiency, low distortion, low noise, and high output power levels, while its integrated power stage offers thermal and over-voltage protection. Its use of a proprietary PWM topology with a DSP control unit makes it an ideal choice for any audio application that requires high performance in a small form factor.

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