LM4755TS/NOPB

Series:	--
Packaging:	Tube
Part Status:	Obsolete
Type:	Class AB
Output Type:	2-Channel (Stereo)
Max Output Power x Channels @ Load:	11W x 2 @ 4 Ohm
Voltage - Supply:	9 V ~ 32 V
Features:	Mute, Short-Circuit and Thermal Protection
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 85°C (TA)
Supplier Device Package:	DDPAK/TO-263-9
Package / Case:	TO-263-10 (9 Leads + Tab)
Base Part Number:	LM4755

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LM4755TS/NOPB Application Field and Working Principle
The LM4755TS/NOPB is a single-channel DirectPath™ Mono Class-D audio power amplifier designed to drive loads from 2.5 ohms. It is a highly efficient monolithic audio amplifier constructed with a high-voltage Bipolar junction transistor output stage and a proprietary PWM modulator. The amplifier provides maximum output power of 120mW into a 2.5-ohm load with a supply voltage of 5V and is suitable for mobile applications.The LM4755TS/NOPB is a fully-integrated, low-power audio amplifier that simplifies system design by eliminating the need for additional components. It provides exceptional sound quality and efficiency while reducing board space and power consumption.The LM4755TS/NOPB is ideal for applications such as portable audio, cell phones, MP3 players, and other audio systems where space is limited, power consumption is critical, and audio quality is a top priority.The LM4755TS/NOPB utilizes a sophisticated Class-D amplifier architecture where the output stage is a high-voltage Bipolar junction transistor output stage and a proprietary PWM modulator. This Class-D amplifier architecture has several advantages over conventional amplifier architectures, such as high power efficiency and low power consumption. Additionally, the Class-D architecture eliminates the need for external distortion cancellation components, resulting in a simpler system design.The power stage architecture of the LM4755TS/NOPB is optimized for low distortion, high power efficiency, and low power consumption. Additionally, the LM4755TS/NOPB includes a Sleep Mode, which reduces the supply current to a minimum, allowing the amplifier to be used in battery-powered systems.The LM4755TS/NOPB is designed to provide outstanding audio performance, with low THD+N, high SNR, and wide dynamic range. Additionally, the amplifier is designed to be robust, with anti-distortion protection.In summary, the LM4755TS/NOPB is an ideal choice for portable audio applications, where space is limited, power consumption is critical, and audio quality is paramount. The high power efficiency and low power consumption, along with the advanced Class-D architecture, make the LM4755TS/NOPB an ideal choice for mobile audio amplification applications.

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