Specifications
| Attribute | Value |
| Package / Case | Tube |
| Part Status | Not For New Designs |
| Type | Stereo Audio |
| Data Interface | USB |
| Resolution(Bits) | 16 b |
| Number of AD Cs / DA Cs | 2 / 2 |
| Sigma Delta | Yes |
| S / N Ratio AD Cs / DA Cs(db)Typ | 89 / 96 |
| Dynamic Range AD Cs / DA Cs(db)Typ | 89 / 93 |
| Voltage - Supply, Analog | 4.35V ~ 5.25V |
| Voltage - Supply, Digital | 4.35V ~ 5.25V |
| Operating Temperature | -25°C ~ 85°C |
| Mounting Type | Surface Mount |
Overview
Description
The PCM2900E is a Texas Instruments product that functions as a single-chip USB stereo audio codec with a built-in analog-to-digital and digital-to-analog converter. It is designed to facilitate high-quality audio input and output for USB-connected devices. Key features include support for USB 1.1, a 16-bit stereo audio resolution, and a sampling rate of up to 48 kHz. The PCM2900E integrates an audio PLL, which eliminates the need for an external clock, simplifying design and reducing costs. It also features stereo ADC and DAC paths, microphone input, and line-in/out capabilities.
The device is powered through the USB bus, making it suitable for applications in USB speakers, microphones, and audio interfaces that require a straightforward and compact design. Its compliance with USB audio class standards ensures compatibility with major operating systems, including Windows, macOS, and Linux, without the need for additional drivers. The PCM2900E is available in a small SSOP package, making it suitable for space-constrained applications. Overall, the PCM2900E offers a cost-effective solution for integrating USB audio functions in consumer electronics.
The device is powered through the USB bus, making it suitable for applications in USB speakers, microphones, and audio interfaces that require a straightforward and compact design. Its compliance with USB audio class standards ensures compatibility with major operating systems, including Windows, macOS, and Linux, without the need for additional drivers. The PCM2900E is available in a small SSOP package, making it suitable for space-constrained applications. Overall, the PCM2900E offers a cost-effective solution for integrating USB audio functions in consumer electronics.
Equivalent
The PCM2900E is a USB audio codec chip by Texas Instruments. Equivalent products include:
1. PCM2902E - Similar features with added S/PDIF interface.
2. CM108AH - USB audio chip by C-Media with comparable functionality.
3. AK5371 - USB audio codec from AKM offering similar capabilities.
4. CS46L41 - USB audio codec from Cirrus Logic as an alternative.
These alternatives offer similar USB audio functionalities and can be considered based on specific application requirements.
1. PCM2902E - Similar features with added S/PDIF interface.
2. CM108AH - USB audio chip by C-Media with comparable functionality.
3. AK5371 - USB audio codec from AKM offering similar capabilities.
4. CS46L41 - USB audio codec from Cirrus Logic as an alternative.
These alternatives offer similar USB audio functionalities and can be considered based on specific application requirements.
Features
The PCM2900E is a stereo audio codec with USB interface, designed for audio applications requiring easy PC or USB connectivity. Key features include:
1. USB Compatibility: It supports full-speed USB 1.1, making it compatible with most PCs and USB-enabled devices.
2. Integrated Audio Features: It incorporates both ADC (Analog-to-Digital Converter) and DAC (Digital-to-Analog Converter), facilitating high-quality audio input and output.
3. Sampling Rates: Supports various sampling rates including 32, 44.1, and 48 kHz, providing flexibility for different audio quality requirements.
4. Bus-Powered Operation: The device is powered through the USB connection, eliminating the need for an external power supply.
5. No External Clock Requirements: Features an internal clock generated by a built-in PLL, simplifying system design.
6. On-chip USB Transceiver: Simplifies USB communication without the need for additional components.
7. Compact Design: Available in a small SSOP package, making it suitable for space-constrained applications.
These features make the PCM2900E suitable for applications like USB microphones, headphones, and other audio peripherals.
1. USB Compatibility: It supports full-speed USB 1.1, making it compatible with most PCs and USB-enabled devices.
2. Integrated Audio Features: It incorporates both ADC (Analog-to-Digital Converter) and DAC (Digital-to-Analog Converter), facilitating high-quality audio input and output.
3. Sampling Rates: Supports various sampling rates including 32, 44.1, and 48 kHz, providing flexibility for different audio quality requirements.
4. Bus-Powered Operation: The device is powered through the USB connection, eliminating the need for an external power supply.
5. No External Clock Requirements: Features an internal clock generated by a built-in PLL, simplifying system design.
6. On-chip USB Transceiver: Simplifies USB communication without the need for additional components.
7. Compact Design: Available in a small SSOP package, making it suitable for space-constrained applications.
These features make the PCM2900E suitable for applications like USB microphones, headphones, and other audio peripherals.
Pinout
The PCM2900E is a stereo audio codec with a USB interface. It features a 28-pin SSOP (Shrink Small-Outline Package) configuration. The PCM2900E integrates stereo audio functions, including a USB interface, analog-to-digital converters (ADCs), digital-to-analog converters (DACs), and a headphone amplifier. It is commonly used in audio applications that require USB connectivity. The primary functions include processing audio signals for playback and recording, converting analog signals to digital format and vice versa, and providing an interface for USB audio communication. The PCM2900E is designed for seamless integration into USB-based audio systems, offering a straightforward solution for high-quality audio streaming and recording applications.
Manufacturer
The PCM2900E is manufactured by Texas Instruments (TI). Texas Instruments is a global semiconductor company based in Dallas, Texas. It is known for designing and manufacturing a wide range of electronic components, including integrated circuits, analog chips, digital signal processors, and more. TI serves various industries, including automotive, industrial, personal electronics, communications equipment, and enterprise systems, providing solutions that enhance performance and efficiency. The company is recognized for its focus on innovation, quality, and reliability in the electronics sector.
Application
The PCM2900E is a USB audio codec that finds application in a variety of audio-related fields. Its primary uses include USB audio interfaces, sound cards, and external audio devices for computers. It's also employed in consumer audio electronics like USB microphones, headphones, and speakers. Additionally, the PCM2900E is suitable for professional audio equipment used in recording studios and broadcasting, offering high-quality audio conversion. The device supports stereo audio input and output, making it versatile for both playback and recording applications. Its compact design and integration capability make it ideal for portable audio solutions and embedded systems that require digital audio conversion.
Package
The PCM2900E is an audio codec IC from Texas Instruments. It is available in a SSOP-28 package, which is a Shrink Small Outline Package with 28 pins.
