LM4924SD/NOPB Integrated Circuits (ICs)

Series:	Boomer®
Packaging:	Tape & Reel (TR)
Part Status:	Obsolete
Type:	Class AB
Output Type:	Headphones, 2-Channel (Stereo)
Max Output Power x Channels @ Load:	40mW x 2 @ 16 Ohm
Voltage - Supply:	1.5 V ~ 3.6 V
Features:	Depop, Mute, Shutdown, Thermal Protection
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 85°C (TA)
Supplier Device Package:	10-WSON (3x3)
Package / Case:	10-WFDFN Exposed Pad
Base Part Number:	LM4924

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LM4924SD/NOPB is a high-power quad amplifier with integrated headphone driver in a single IC package. It is designed to drive current-limited signal from a digital audio source such as CD, DVD, or MP3 players with minimal signal loss. It integrates two low noise, programmable gain amplifiers and two headphone drivers. Each amplifier can be independently programmed with a two-stage input voltage range of 0.9 to 4.0V. The power output is controlled by a precision adjustable current-limit regulator. The its low power dissipation makes it suitable for a wide variety of portable audio applications.The LM4924SD/NOPB is a linear amplifier designed to drive current-limited audio signals from digital audio sources. It combines two low-noise, programmable gain amplifiers with two integrated headphone drivers. Each amplifier can be independently programmed with a two-stage input voltage range of 0.9 to 4.0V. The power output is controlled by a precision adjustable current-limit regulator which offers precise control over the amplifier’s stereo output power.The LM4924SD/NOPB is capable of driving 4 to 8 ohm speaker loads with a peak current of 50mA. It also includes integrated digital-to-analog converters to receive digital audio data from compatible digital audio sources. In addition, it is also compatible with non-power management systems in both mobile and desktop applications.In addition, the LM4924SD/NOPB is designed to provide a wide range of audio performance parameters, which include low distortion, wide dynamic range, low overall gain, and low noise floor. Moreover, its low power dissipation makes it suitable for a wide variety of portable audio applications.The LM4924SD/NOPB employs several protective features, such as over-current protection, load fault protection, and short-circuit protection. These features ensure that the device is safe to use even when driving an improper load. It also features thermal shutdown protection, which shuts down the device automatically to prevent damage due to overheating.In conclusion, the LM4924SD/NOPB is a high-power quad amplifier with integrated headphone drivers. It is designed to drive current-limited audio signals from digital audio sources with minimal signal loss. Its integrated protection features and low power dissipation make it ideal for a wide variety of portable audio applications.

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