LM4954TLX/NOPB

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The LM4954TLX/NOPB is a stereo audio amplifier integrated circuit developed by Texas Instruments. It is based on their low power monolithic audio amplifier family, TLV320AIC23, and is specifically designed for portable, mobile, and battery-powered applications. The LM4954TLX/NOPB operates from a single power supply and offers low power consumption, high efficiency, low distortion, and a wide signal-to-noise ratio. The device is available in a space-saving 10-pin TSSOP package, making it ideal for tightly-packed, mobile audio products.

The LM4954TLX/NOPB is a two-channel audio amplifier with an integrated low noise input stage, output stage, and power management circuitry. It offers high power output from its compact package, making it ideal for portable audio playback applications. The high efficiency of the amplifier enables extended battery life, while its advanced power management provides superior protection against over-current conditions and thermal shutdown. With a low output impedance and low noise floor, the LM4954TLX/NOPB is suited for lower-impedance audio headphones and speakers.

Unlike some conventional audio amplifiers, the LM4954TLX/NOPB does not require an external control circuit or additional components to provide control. Instead, it includes a built-in error-correcting control logic block which simplifies design and saves board space. The open-loop gain of the amplifier can be adjusted via an external resistor, while the output power can be controlled easily with an external volume control.

The LM4954TLX/NOPB has a wide operating range of 2.7V to 5.5V and is capable of driving up to 20dB of gain. It features integrated protection circuitry to ensure that it is protected from over-current, over-temperature, and over-voltage conditions. The amplifier is well-suited for highly mobile, power-sensitive products, such as mobile phones, personal media players, portable audio systems, and other low-power applications.

The LM4954TLX/NOPB audio amplifier offers high fidelity stereo sound reproduction in an ultra-small package. Its integrated electronics and control circuitry eliminates the need for external circuitry, which saves board space and improves product reliability. With its low power consumption, wide operating range, low distortion, and high efficiency, the LM4954TLX/NOPB is an ideal choice for mobile audio applications.

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