TDA7563ASM

Series:	--
Packaging:	Tube
Part Status:	Active
Type:	Class AB
Output Type:	4-Channel (Quad)
Max Output Power x Channels @ Load:	75W x 4 @ 2 Ohm
Voltage - Supply:	8 V ~ 18 V
Features:	I²C, Mute, Short-Circuit and Thermal Protection, Standby
Mounting Type:	Surface Mount
Operating Temperature:	-55°C ~ 150°C (TJ)
Supplier Device Package:	27-Flexiwatt (SMD)
Package / Case:	27-Flexiwatt (Formed Leads)
Base Part Number:	TDA7563A

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TDA7563ASM Application Field and Working Principle

The TDA7563ASM is a high-performance audio amplifier designed and manufactured by STMicroelectronics. First introduced in 2008, the TDA7563ASM is one of the most powerful audio amplifiers, capable of delivering up to 130W into a 4 Ohm load at 12V.The industry-leading power output, combined with its industry-leading efficiency, makes the TDA7563ASM an ideal choice for high-end audio applications such as home theater systems and car audio systems. Furthermore, it can be used in a wide range of other applications such as active loudspeakers, portable sound systems and professional audio installations.The TDA7563ASM is specifically designed to meet the requirements of high-end audio installations. It features Class D topology, a low-noise output stage and a high-speed current-mode control loop for superior sound quality. The device is protected against overload, overvoltage and short circuit, and can operate at high power from a wide range of DC supply voltages – from 9V to 18V.The TDA7563ASM audio amplifier is designed to operate without any external components. The device has on-board thermal shutdown and short-circuit detection, as well as an integrated power supply filter that provides clean and stable power to the amplifier.In terms of its working principle, the TDA7563ASM has a fully differential high-efficiency Class D output stage. The output stage consists of four-terminal N and P MOSFET transistors that are connected in a bridge configuration. The bridge transistors are driven by the high-speed current-mode control loop, which is composed of a high-speed input differential amplifier, a switched capacitor comparator, a peak current limiter and a voltage-controlled oscillator. The input signal is passed to the differential amplifier, which generates a signal with the same phase on each output leg of the bridge transistor.The bridge transistors then convert the electrical energy into an audio signal, which is amplified and output from the TDA7563ASM. The high-speed current-mode control loop ensures that the output of the amplifier is constant, regardless of load conditions or variations in the supply voltage.The TDA7563ASM is ideal for use in high-end audio installations where superior sound quality is required. The device is capable of operating at high power levels, while maintaining low levels of noise and distortion. With its wide range of features and capabilities, the TDA7563ASM is a highly versatile and powerful audio amplifier with applications in a variety of audio systems.

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