Texas Instruments

PCM1863DBT

The Texas Instruments PCM1863DBT is a high-performance, low-power stereo audio DAC (Digital-to-Analog Converter) designed for portable audio applications. It is part of the PCM186x family of audio DACs, which are known for their excellent audio performance and low power consumption.

Description:

The PCM1863DBT is a 24-bit, stereo audio DAC with a 2.7 V to 5.5 V supply voltage range. It features a 115 dB dynamic range and a signal-to-noise ratio (SNR) of up to 120 dB, ensuring high-quality audio reproduction. The device is available in a small, 28-pin TSSOP (Thin Shrink Small Outline Package) package, making it suitable for portable and compact applications.

Features:

1. 24-bit, stereo audio performance with high dynamic range (115 dB) and signal-to-noise ratio (up to 120 dB).
2. Low power consumption: 14 mW in normal operation and 3.5 µW in power-down mode.
3. Wide supply voltage range: 2.7 V to 5.5 V.
4. Integrated headphone driver with adjustable output power (up to 80 mW).
5. Programmable digital filters for optimizing the frequency response.
6. Support for I2S, PCM, and DSP audio data formats.
7. Integrated mute function for pop and click suppression.
8. Small 28-pin TSSOP package for compact designs.
9. Low EMI (Electromagnetic Interference) design for better signal integrity.

Applications:

1. Portable audio devices: MP3 players, smartphones, and tablets.
2. Wireless audio devices: Bluetooth speakers and headphones.
3. Home audio systems: Soundbars, home theater receivers, and wireless multi-room audio systems.
4. Voice assistant devices: Smart speakers and voice-controlled home automation systems.
5. Gaming consoles and portable gaming devices.
6. Automotive audio systems: In-dash head units and infotainment systems.
7. Professional audio equipment: Mixing consoles, audio interfaces, and digital signal processors.

The PCM1863DBT is an excellent choice for designers looking to implement high-quality, low-power audio solutions in their portable or compact audio applications. Its combination of performance, power efficiency, and versatility makes it a popular choice among audio professionals and enthusiasts alike.