PCM2906DBR

Product Overview

Category: Integrated Circuit (IC)
Use: Audio Interface
Characteristics: USB Audio Codec
Package: SSOP-28
Essence: High-quality audio conversion and processing
Packaging/Quantity: Tape and Reel, 2500 pieces per reel

Specifications

Resolution: 16-bit
Sampling Rate: Up to 48 kHz
Digital Audio Interface: USB 2.0 Full Speed
Analog Inputs: Stereo Line-In, Microphone-In
Analog Outputs: Stereo Line-Out
Digital Audio Formats: S/PDIF, I2S
Power Supply: 5V DC
Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The PCM2906DBR has a total of 28 pins. The pin configuration is as follows:

VBUS
D+
D-
GND
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
VCC

Functional Features

USB bus-powered audio codec
On-chip analog PLL for clock generation
Supports stereo line-in and microphone-in inputs
Provides stereo line-out output
Built-in digital audio processing features
Low power consumption
Compatible with Windows, Mac, and Linux operating systems

Advantages and Disadvantages

Advantages: - High-quality audio conversion - Compact package size - Easy integration with USB audio applications - Low power consumption

Disadvantages: - Limited sampling rate compared to some high-end audio codecs - No built-in amplification for audio outputs

Working Principles

The PCM2906DBR is a USB audio codec that converts analog audio signals into digital format and vice versa. It utilizes an on-chip analog PLL (Phase-Locked Loop) to generate the necessary clock signals for accurate audio processing. The codec supports various digital audio formats, including S/PDIF and I2S, and can be powered directly from the USB bus.

Detailed Application Field Plans

The PCM2906DBR is commonly used in the following applications:

USB audio interfaces for computers and laptops
USB-powered audio recording devices
USB audio adapters for gaming consoles
USB audio interfaces for musical instruments
USB audio interfaces for DJ equipment

Detailed and Complete Alternative Models

PCM2900CDBR: Similar USB audio codec with 14-bit resolution
PCM2707PJT: USB audio codec with integrated USB transceiver
PCM2902E: USB audio codec with additional digital-to-analog converter (DAC)

These alternative models provide similar functionality and can be considered as alternatives to the PCM2906DBR depending on specific requirements and design constraints.

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Navedite 10 uobičajenih pitanja i odgovora vezanih uz primjenu PCM2906DBR u tehničkim rješenjima

Sure! Here are 10 common questions and answers related to the application of PCM2906DBR in technical solutions:

Q: What is PCM2906DBR? A: PCM2906DBR is a USB audio codec with an integrated USB interface, designed for audio applications such as USB speakers, headphones, and microphones.
Q: What are the key features of PCM2906DBR? A: The key features of PCM2906DBR include stereo ADC and DAC, USB 2.0 full-speed compliant interface, built-in microphone preamp, and support for various audio formats.
Q: How can I connect PCM2906DBR to my system? A: PCM2906DBR can be connected to your system using a USB cable. It acts as a plug-and-play device, requiring no additional drivers for most operating systems.
Q: Can PCM2906DBR be used with both Windows and Mac systems? A: Yes, PCM2906DBR is compatible with both Windows and Mac systems. It supports various operating systems, including Windows XP/Vista/7/8/10 and macOS.
Q: What audio formats does PCM2906DBR support? A: PCM2906DBR supports audio formats such as 16-bit stereo, 48 kHz sampling rate, and various bit rates for both recording and playback.
Q: Does PCM2906DBR have any built-in audio processing features? A: PCM2906DBR does not have advanced audio processing features. It primarily focuses on providing high-quality audio conversion and USB connectivity.
Q: Can PCM2906DBR be used in low-power applications? A: Yes, PCM2906DBR is designed for low-power applications. It has a low power consumption mode and can be powered directly from the USB bus.
Q: Can PCM2906DBR be used in standalone audio devices? A: Yes, PCM2906DBR can be used in standalone audio devices such as USB speakers, headphones, and microphones. It provides a convenient USB interface for audio connectivity.
Q: Are there any evaluation boards or development kits available for PCM2906DBR? A: Yes, Texas Instruments offers evaluation boards and development kits for PCM2906DBR, which can help in the prototyping and development of audio solutions.
Q: Where can I find more technical information about PCM2906DBR? A: You can find more technical information, including datasheets, application notes, and reference designs, on the official website of Texas Instruments or by contacting their technical support team.