Description
The PCM2900E is a Texas Instruments (TI) semiconductor component that is designed as a stereo codec with USB interface and single-ended I/O. It features an onboard clock generator, adaptive USB mode for playback, and asynchronous USB mode for record. The device includes 16-bit delta-sigma ADC and DAC, capable of sampling rates up to 48 kHz.
The PCM2900E is suitable for various audio applications, including: USB Audio Speaker, USB Headset, USB Monitor, and USB Audio Interface Box. It also comes with multifunctions such as Human Interface Device (HID) volume and mute control, along with a suspend flag.
This device provides high-quality analog-to-digital and digital-to-analog conversions, making it ideal for applications where high-fidelity audio is essential. Additionally, its compact 28-pin SSOP package makes it suitable for space-constrained designs.
Features
The PCM2900E features include:
- On-chip USB interface with full-speed transceivers, fully compliant with USB 1.1 specification, certified by USB-IF
- Partially programmable descriptors
- USB adaptive mode for playback and asynchronous mode for record
- Bus powered
- 16-bit delta-sigma ADC and DAC
- Sampling rate: 32 kHz, 44.1 kHz, 48 kHz (DAC), 8 kHz to 48 kHz (ADC)
- On-chip clock generator with single 12-MHz clock source
- Single power supply: 5 V typical
These features make it suitable for USB audio applications such as USB audio speakers, headsets, monitors, and interface boxes.
Package
The package type of PCM2900E is SSOP-28.
Pinout
The PCM2900E has a pin count of 28 (SSOP-28). The functions of each pin are:
- Digital I/O pins: 14
- + 8 for USB interface
- + 4 for audio data (left/right channels)
- + 2 for clock and reset
- Analog input/output pins: 6
- + 2 for left/right analog inputs
- + 2 for left/right analog outputs
- + 1 for VBUS power supply
- + 1 for ground
The PCM2900E is a stereo codec with USB interface, designed for audio applications. It supports sampling rates up to 48 kHz and has a dynamic range of 89 dB.
Manufacturer
The manufacturer of the PCM2900E is Texas Instruments (TI). TI is a multinational semiconductor company that designs, makes, and sells electronic components, including analog and embedded processing semiconductors, sensors, interface products, and specialty semiconductors. The company was founded in 1930 by Patrick Haggerty, Charles Eddleman, and Irvin Kaufthal in Dallas, Texas.
Applications
The application areas of the PCM2900E include:
- USB Audio Speaker
- USB Headset
- USB Monitor
- USB Audio Interface Box
Equivalent
The equivalent products of PCM2900E are:
These products have similar features, such as USB interface, S/PDIF output, and analog-to-digital conversion capabilities. However, they may have different pinouts or additional features compared to the PCM2900E.
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