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PCM2901E
+BOMIC STEREO AUD CODEC W/USB 28SSOP
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メーカーSTマイクロエレクトロニクス
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メーカー品番 #PCM2901E
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データシート PCM2901E DataSheet
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在庫状況8777
365 日間品質保証
7*24 日間の品質保証
90-時間単位のサービス保証
1日間のアフターサービス保証
仕様
| 属性 | 値 |
| 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 | 3V ~ 3.6V |
| Voltage - Supply, Digital | 3V ~ 3.6V |
| Operating Temperature | 0°C ~ 70°C |
| Mounting Type | Surface Mount |
| Package / Case | 28-SSOP (0.209", 5.30mm Width) |
| Supplier Device Package | 28-SSOP |
| Base Product Number | PCM2901 |
概要
Description
Key features include a built-in USB transceiver, supporting full-speed USB 1.1, and compliance with USB Audio Class 1.0. It offers plug-and-play functionality without the need for additional drivers on most operating systems. The PCM2901E supports stereo audio input and output, with a sampling rate of up to 48 kHz and a 16-bit resolution.
The device is packaged in a compact SSOP-28 outline, making it suitable for space-constrained applications. It operates on a single 5V power supply, usually sourced from the USB bus. Typical applications include USB headphones, microphones, audio interfaces, and other consumer audio products requiring seamless USB connectivity.
Equivalent
1. PCM2902E - Also by Texas Instruments, with similar USB audio codec functionality.
2. Cmedia CM108 - A USB audio chip with comparable features.
3. AKM AK5371 - Another USB audio codec with similar capabilities.
4. CY7C68013A - Cypress’s USB audio solution, although it may require additional components to match functionality.
5. FTDI FT93C6 - An option for USB audio codec applications.
Compatibility should be verified based on the specific application requirements.
Features
1. USB Interface: It complies with USB 1.1, supporting full-speed data transfer and USB audio functionality without the need for driver installation on most systems.
2. Audio Performance: Provides a 16-bit stereo audio codec with a sampling rate of up to 48 kHz, suitable for high-quality audio applications.
3. Integrated Components: Includes an analog-to-digital converter (ADC), a digital-to-analog converter (DAC), and headphone amplifier, reducing the need for additional components.
4. Compatibility: Functions with standard audio class drivers, ensuring broad compatibility with various operating systems.
5. Low Power Consumption: Designed for efficient power usage, making it suitable for portable devices.
6. Ease of Use: Simple integration with minimal external components required, ideal for consumer electronics like USB microphones and audio interfaces.
These features make the PCM2901E a versatile choice for applications requiring efficient audio data conversion and USB connectivity.
Pinout
Pin Count: 28 pins
Key Functions:
1. USB Interface: The device connects with a computer via its USB interface, facilitating audio data transmission between digital and analog domains.
2. Audio Data Conversion: It converts digital audio data to analog (DAC) and analog audio signals to digital (ADC).
3. Stereo Audio Codec: It supports stereo audio input and output, handling both channels for comprehensive audio processing.
4. Control and Status Functions: Several pins are dedicated to control functions, such as power management and operational status indicators.
5. Analog Interfaces: It includes pins for line-in, line-out, microphone input, and headphone output, allowing it to interface with various audio peripherals.
The PCM2901E is suitable for applications in USB audio devices, such as sound cards, USB microphones, and headphones with integrated converters.