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PCM2903CDB

Name: PCM2903CDB
Rating: 4.7 (12 reviews)

IC STERO AUD CODEC W/USB 28SSOP

제조업체Texas Instruments
Mfr.부분 #PCM2903CDB
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데이터시트 PCM2903CDB DataSheet
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사양

Part Status	Active
Type	Stereo Audio
Data Interface	USB
Resolution (Bits)	16 b
Number of ADCs / DACs	2 / 2
Sigma Delta	Yes
S/N Ratio, ADCs / DACs (db) Typ	89 / 96
Dynamic Range, ADCs / DACs (db) Typ	89 / 93
Voltage - Supply, Analog	3V ~ 3.6V
Voltage - Supply, Digital	3V ~ 3.6V
Operating Temperature	-25°C ~ 85°C
Mounting Type	Surface Mount
Package / Case	28-SSOP (0.209", 5.30mm Width)
Supplier Device Package	28-SSOP
Base Product Number	PCM2903

개요

Description

The PCM2903CDB is a USB audio codec by Texas Instruments, designed for high-performance audio applications. It features a stereo audio interface, supporting both analog and digital audio conversion. The device can handle 24-bit audio at sample rates up to 96 kHz, making it suitable for high-fidelity audio applications.
Key features include integrated USB interface, headphone amplifier, and support for I2C control, allowing easy integration into various audio systems. The PCM2903CDB is often used in computer audio interfaces, gaming systems, and portable audio devices due to its low power consumption and compact size.
The evaluation module, designated as PCM2903CDB, allows developers to easily test and prototype audio applications using the PCM2903 chip. It provides all necessary connections and supports audio input/output testing, making it an essential tool for engineers developing USB audio solutions. Overall, the PCM2903CDB is an ideal choice for applications requiring high-quality audio performance and convenient USB connectivity.

Features

The PCM2903CDB is a USB audio codec from Texas Instruments designed for high-performance audio applications. Key features include:
1. USB Audio Interface: Supports USB 1.1, allowing for digital audio data transfer with minimal latency.
2. Integrated DAC/ADC: Includes integrated stereo digital-to-analog converters (DACs) and analog-to-digital converters (ADCs) for high-quality playback and recording.
3. Audio Performance: Offers 16-bit resolution and supports sample rates up to 48 kHz, ensuring clear audio reproduction.
4. Multiple Input/Output Options: Features line input, headphone output, and a microphone input, providing versatility in audio applications.
5. Low Power Consumption: Designed for low power operation, making it suitable for portable devices.
6. On-chip Volume Control: Includes programmable volume control for flexible audio management.
7. I2C Interface: Allows for easy configuration and control through an I2C interface, enabling customization.
These features make the PCM2903CDB ideal for applications like USB audio interfaces, portable audio devices, and computer peripherals.

Package

The PCM2903CDB is available in a HTQFP (Heat Sink Thin Quad Flat Package) type, specifically a 32-pin HTQFP package.

Pinout

The PCM2903CDB is a USB audio codec with a total of 28 pins. It features an integrated USB interface, analog-to-digital converter (ADC), digital-to-analog converter (DAC), and support for audio routing.
Pin Functions:
- Power Supply Pins (VD+): Supply voltage for the device.
- GND Pins: Ground connections.
- USB Pins (D+, D-): For USB data communication.
- I2C Pins (SDA, SCL): For I2C communication.
- Audio Input Pins (MIC, LINE IN): Connect external audio sources for input.
- Audio Output Pins (LINE OUT, HP OUT): Output audio signals to speakers or headphones.
- Control Pins (MUTE, RESET): For controlling the operation of the device.
- GPIO Pins: General-purpose input/output for various control functions.
The PCM2903CDB is typically used in applications requiring USB audio functionality, such as audio interfaces and digital sound processing systems.

Manufacturer

The PCM2903CDB is manufactured by Texas Instruments (TI), a well-known American technology company. Texas Instruments specializes in designing and producing semiconductors and various integrated circuits for a wide range of applications. Founded in 1930, TI is a leader in the field of analog and embedded processing technologies. The company serves diverse markets, including automotive, industrial, communications, and consumer electronics, focusing on innovation and high-performance solutions. The PCM2903CDB, specifically, is a USB audio interface solution that integrates audio processing with USB capabilities, showcasing TI's expertise in both audio technologies and connectivity solutions.

Application

The PCM2903CDB is a USB audio codec used in various applications, including USB audio interfaces, digital audio workstations, portable audio devices, and consumer electronics. It supports audio input/output for streaming and recording, making it suitable for music production, voice-over, and multimedia applications. Additionally, it can be utilized in gaming headsets and speaker systems for improved audio quality.

Equivalent

The PCM2903CDB chip is a USB audio codec. Equivalent products include the PCM2904, PCM2906, and PCM2905 series chips, which also offer USB audio functionality with similar features. Other alternatives are the AKM AK4452 and the Cirrus Logic CS4270, which provide USB audio interfaces and DAC functionality. Be sure to check specific features and compatibility when selecting an equivalent.