Texas Instruments

PCM1804DBR  

ADCs/DACs - Special Purpose ICs

PCM1804DBR is a stereo audio ADC (Analog-to-Digital Converter) manufactured by Texas Instruments. It is designed to convert analog audio signals into digital format that can be processed by digital systems. Here's a brief description of the model PCM1804DBR, its features, and applications:

Description:

The PCM1804DBR is a high-performance, stereo, 24-bit, multi-bit Delta-Sigma analog-to-digital converter (ADC) with integrated sample rate converter (SRC). It is designed for use in a wide range of audio applications where high-quality audio conversion is required.

Features:

1. Stereo 24-bit ADC: The PCM1804DBR provides high-resolution audio conversion with 24-bit precision for both left and right audio channels.
2. Multi-Bit Delta-Sigma Modulation: It uses multi-bit Delta-Sigma modulation to achieve high signal-to-noise ratio (SNR) and low distortion.
3. Sample Rate Converter (SRC): The integrated SRC allows the PCM1804DBR to accept a wide range of input sample rates and convert them to the desired output sample rate.
4. Low Power Consumption: The device is designed for low power consumption, making it suitable for battery-powered applications.
5. High Input Impedance: It features high input impedance, which helps maintain signal integrity when interfacing with a variety of audio sources.
6. Digital Audio Interface: The PCM1804DBR supports standard digital audio interfaces such as I2S, left justified, and right justified modes.
7. MCLK Input: It has an MCLK input that can accept a wide range of master clock frequencies, providing flexibility in system design.
8. Soft Mute Function: The device includes a soft mute function to prevent clicks and pops when muting the audio output.
9. Power-Down Mode: A power-down mode is available to further reduce power consumption when the device is not in use.

Applications:

1. Portable Audio Devices: High-quality audio conversion in portable media players, MP3 players, and smartphones.
2. Audio Interfaces: Professional and consumer audio interfaces for recording and playback applications.
3. Sound Cards: Audio conversion in desktop and laptop computers.
4. Telephony: VoIP applications and other telephony systems requiring high-quality audio conversion.
5. Automotive Infotainment Systems: Audio processing in car audio systems and infotainment units.
6. Home Audio Systems: High-quality audio conversion in home theater systems, receivers, and amplifiers.
7. Industrial Audio Equipment: Audio processing in professional audio equipment and industrial control systems.

The PCM1804DBR is a versatile and high-quality audio ADC that can be integrated into a wide range of applications requiring precise and reliable audio conversion.

PCM1804DBR Documents

Download datasheets and manufacturer documentation for PCM1804DBR

Datasheets :

PCM1804      

PCN Packaging :

Marking Change 24/Mar/2021       PCN Cancelled 17/Apr/2015      

HTML Datasheet :

PCM1804      

PCN Design/Specification :

Marking Change 07/Oct/2021       Lead Frame Base Update 02/Apr/2015