TPA1517DWP

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The TPA1517DWP is an analog audio amplifier IC used in a variety of applications. It is a highly efficient, up to 99-percent efficient, single-chip Class D digital audio power amplifier. With the help of its integrated switching power supply, it can output the same ±12V bias supply as traditional Class AB audio amplifiers. The IC is packaged in a small 4-pin SOT23 package, making it ideal for space-constrained designs.

At its core, the TPA1517DWP is a single power-on-demand Class D amplifier. It is a combination of three parts: an input amplifier, a modulation stage, and a switch-mode power stage. The input amplifier offers high input impedance, allowing it to handle multiple audio connections. The modulation stage uses Pulse Width Modulation (PWM) to control the output power of the amplifier, while the switch-mode power stage converts the PWM signal into an amplified output. This combination of digital control and switch-mode power supply helps the TPA1517DWP achieve its high efficiency.

Many applications use the TPA1517DWP as a bridging amplifier to drive a speaker from both the positive and negative sides of the signal. In this configuration, both the speakers are connected to the same loudspeaker terminals and the output stage creates a differential signal between the two speakers. This allows for a more balanced sound with higher frequency resolution and higher power capabilities than a single-ended amplifier could provide.

The TPA1517DWP can also be used as a headphone amplifier to power wired headphones or Bluetooth audio devices. It is a low-power, low-noise solution that provides clear audio reproduction. It is also capable of driving multiple pairs of headphones simultaneously, allowing users to share the same music with their friends.

One of the major advantages of the TPA1517DWP is its readiness for Bluetooth applications. It includes a Bluetooth 4.2 pre-qualification module that allows it to support up to three Bluetooth protocols such as Classic, LE and A2DP. This makes the TPA1517DWP a perfect choice for modern Bluetooth audio devices.

The TPA1517DWP is also capable of providing a wide range of power output levels, from low-power applications such as in consumer audio products to large-scale, industrial applications. It can operate from a single power supply or dual power supply, allowing it to be used in different applications such as car audio systems, digital front end amplifiers and Class D power amplifiers. Its low noise output, low distortion and high efficiency make the TPA1517DWP a reliable solution for a number of audio requirements.

The TPA1517DWP is a versatile, reliable and efficient audio amplifier IC. It is suitable for a range of audio applications such as home audio systems, car audio systems, as well as industrial applications. With its integrated switching power supply, it offers high efficiency and eliminates the need for bulky power supplies. Its ready-to-use Bluetooth support makes it an excellent choice for Bluetooth audio applications.

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