Overview
The PCM2900E/2KG4 is a high-performance stereo audio codec integrated circuit (IC) manufactured by Texas Instruments. Designed for USB-based audio applications, this IC combines a 16-bit analog-to-digital converter (ADC) and digital-to-analog converter (DAC) with a USB interface, making it an ideal solution for audio processing in consumer electronics and computer peripherals. Its compact 28-SSOP package and surface-mount design enable easy integration into space-constrained applications. The PCM2900E/2KG4 is targeted at developers and manufacturers seeking a reliable, cost-effective audio codec for USB audio devices.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Category | Interface - CODECs | - | - |
| Description | IC STEREO AUD CODEC W/USB | - | - |
| Resolution | 16 | bits | - |
| ADC / DAC Channels | 2 / 2 | - | - |
| Delta-Sigma Modulation | Yes | - | - |
| SNR (ADC / DAC) | 89 / 96 | dB | Typical |
| Dynamic Range (ADC / DAC) | 89 / 93 | dB | Typical |
| Analog Supply Voltage | 4.35 - 5.25 | V | - |
| Digital Supply Voltage | 4.35 - 5.25 | V | - |
| Operating Temperature | -25 to 85 | °C | - |
| Package | 28-SSOP | - | 5.30mm wide |
| Mounting Type | Surface Mount | - | - |
Key Features
- Integrated USB interface for seamless audio data transfer.
- 16-bit ADC and DAC for high-quality audio conversion.
- Delta-sigma modulation for improved signal fidelity.
- Wide operating voltage range (4.35V to 5.25V) for flexibility in power supply design.
- Compact 28-SSOP package for space-efficient designs.
- High signal-to-noise ratio (SNR) and dynamic range for clear audio output.
Applications
The PCM2900E/2KG4 is widely used in USB audio devices, including USB headsets, external sound cards, and audio interfaces. Its high-performance audio processing capabilities make it suitable for consumer electronics, such as gaming peripherals, portable speakers, and computer accessories. Additionally, it is employed in professional audio equipment where USB connectivity and reliable audio conversion are essential.
Q & A
1. What is the resolution of the PCM2900E/2KG4?
The PCM2900E/2KG4 features a 16-bit resolution for both ADC and DAC.
2. What is the operating voltage range?
The operating voltage range is 4.35V to 5.25V for both analog and digital supplies.
3. What is the typical SNR for the DAC?
The typical SNR for the DAC is 96 dB.
4. What package does the PCM2900E/2KG4 use?
It uses a 28-SSOP package with a width of 5.30mm.
5. Is the PCM2900E/2KG4 suitable for USB audio devices?
Yes, it is specifically designed for USB audio applications.
6. What is the dynamic range of the ADC?
The dynamic range of the ADC is typically 89 dB.
7. What is the operating temperature range?
The operating temperature range is -25°C to 85°C.
8. Does the PCM2900E/2KG4 support delta-sigma modulation?
Yes, it supports delta-sigma modulation for enhanced audio quality.
9. How many ADC and DAC channels does it have?
It has 2 ADC channels and 2 DAC channels.
10. What is the typical power consumption?
Typical power consumption is 100 µA.
