Specifications
| Attribute | Value |
| Package / Case | Tape & Reel (TR),Cut Tape (CT) |
| Part Status | Active |
| 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 | 3.1V ~ 3.5V |
| Voltage - Supply, Digital | 3.1V ~ 3.5V |
| Operating Temperature | -25°C ~ 85°C |
| Mounting Type | Surface Mount |
Overview
Description
The PCM2900CDBR is an integrated circuit designed by Texas Instruments, serving as a stereo audio codec with USB interface capabilities. Primarily used in audio applications, it facilitates the conversion between analog and digital audio signals, making it ideal for USB audio devices. This chip features a USB 1.1 compliant interface, allowing seamless connectivity with computers and other USB-enabled devices. It supports full-duplex playback and recording, handling both audio input and output simultaneously. The PCM2900CDBR includes an integrated digital-to-analog converter (DAC) and analog-to-digital converter (ADC), ensuring high-fidelity audio performance. It operates with low power consumption, making it suitable for portable and power-sensitive applications. Additionally, it provides features such as a programmable gain amplifier and microphone bias, enhancing its versatility in varying audio environments. The PCM2900CDBR is commonly utilized in applications like USB headphones, microphones, and audio interfaces, offering a reliable and cost-effective solution for high-quality audio signal processing.
Equivalent
The PCM2900CDBR is a USB audio codec chip from Texas Instruments. Equivalent products include:
1. PCM2900C - A related model in the same series with similar functionality.
2. PCM2704 - Another USB audio codec from Texas Instruments with comparable features.
3. TAS1020B - A USB streaming audio and data interface device by Texas Instruments.
These chips offer similar functionalities such as USB audio interface capabilities and can be considered for applications requiring audio data conversion.
1. PCM2900C - A related model in the same series with similar functionality.
2. PCM2704 - Another USB audio codec from Texas Instruments with comparable features.
3. TAS1020B - A USB streaming audio and data interface device by Texas Instruments.
These chips offer similar functionalities such as USB audio interface capabilities and can be considered for applications requiring audio data conversion.
Features
The PCM2900CDBR is a stereo audio codec with USB interface capabilities, designed by Texas Instruments. It features a USB 1.1 compliant full-speed interface that enables seamless connectivity with PCs and audio peripherals. The device supports a sampling frequency range from 8 kHz to 48 kHz and provides 16-bit Delta-Sigma ADCs and DACs for high-quality audio conversion. The integrated USB interface eliminates the need for a separate USB controller, simplifying design and reducing component count.
The PCM2900CDBR offers single-ended analog inputs for microphone or line-level signals and single-ended analog outputs for headphones or line outputs. It also includes a built-in digital PLL for USB clock generation, ensuring low-jitter performance. The codec supports bus-powered operation, making it suitable for portable applications. Additionally, it features a ±15 kV ESD protection on all pins, enhancing robustness. The compact SSOP-28 package makes it suitable for space-constrained designs, and its low power consumption is ideal for battery-operated devices. The PCM2900CDBR is typically used in applications like USB headphones, audio interfaces, and portable audio equipment.
The PCM2900CDBR offers single-ended analog inputs for microphone or line-level signals and single-ended analog outputs for headphones or line outputs. It also includes a built-in digital PLL for USB clock generation, ensuring low-jitter performance. The codec supports bus-powered operation, making it suitable for portable applications. Additionally, it features a ±15 kV ESD protection on all pins, enhancing robustness. The compact SSOP-28 package makes it suitable for space-constrained designs, and its low power consumption is ideal for battery-operated devices. The PCM2900CDBR is typically used in applications like USB headphones, audio interfaces, and portable audio equipment.
Pinout
The PCM2900CDBR is a 28-pin integrated circuit primarily used as a USB audio codec. It is designed to facilitate the conversion between analog audio signals and digital data, allowing for seamless audio input and output over USB connections. The PCM2900CDBR includes features such as stereo audio input and output, USB connectivity, and support for both audio capture and playback. It operates with a built-in USB interface and does not require external controllers, making it an efficient choice for audio applications requiring USB connectivity.
Manufacturer
The PCM2900CDBR is manufactured by Texas Instruments. Texas Instruments, often abbreviated as TI, is an American technology company that designs and manufactures semiconductors and various integrated circuits. These components are used in a wide array of electronic devices, making Texas Instruments a significant player in the electronics and semiconductor industry. The company is well-known for its innovations in the development of analog chips and embedded processors, which are crucial for many electronic applications. TI also provides a comprehensive range of products and solutions for various sectors, including automotive, industrial, consumer electronics, and communications equipment. Beyond manufacturing hardware, Texas Instruments is active in research and development, consistently working on advancements in technology to meet the changing demands of the industry.
Application
The PCM2900CDBR is a stereo audio codec with USB interface capabilities, used primarily in audio applications. Key application areas include:
1. USB Audio Interfaces: Enabling audio data transfer between computers and audio equipment.
2. Portable Audio Devices: Used in devices like MP3 players for audio signal processing.
3. Sound Cards: Enhancing audio quality in computers.
4. Voice Recording Equipment: Providing high-quality digitization of audio input.
5. Telecommunication Systems: Implementing audio codecs for clear voice transmission.
Its integration in these applications is due to its USB connectivity, ease of use, and high-fidelity audio processing capabilities.
1. USB Audio Interfaces: Enabling audio data transfer between computers and audio equipment.
2. Portable Audio Devices: Used in devices like MP3 players for audio signal processing.
3. Sound Cards: Enhancing audio quality in computers.
4. Voice Recording Equipment: Providing high-quality digitization of audio input.
5. Telecommunication Systems: Implementing audio codecs for clear voice transmission.
Its integration in these applications is due to its USB connectivity, ease of use, and high-fidelity audio processing capabilities.
Package
The PCM2900CDBR is a USB audio codec IC from Texas Instruments, packaged in a 28-pin SSOP (Shrink Small Outline Package).
