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DIR9001PW

DIR9001PW

Overview

  • Category: Integrated Circuit
  • Use: Digital Audio Interface Receiver
  • Characteristics: High-performance, Low-jitter, 24-bit Audio Data Receiver
  • Package: 20-pin TSSOP (Thin Shrink Small Outline Package)
  • Essence: Converts digital audio signals into a format suitable for further processing
  • Packaging/Quantity: Available in reels of 2500 units

Specifications and Parameters

  • Supply Voltage: 3.3V
  • Operating Temperature Range: -40°C to +85°C
  • Input Sample Rates: 32kHz, 44.1kHz, 48kHz, 88.2kHz, 96kHz, 176.4kHz, 192kHz
  • Output Formats: I²S, Left-Justified, Right-Justified
  • Signal-to-Noise Ratio: >100dB
  • Total Harmonic Distortion: <0.001%
  • Power Consumption: <100mW

Pin Configuration

The DIR9001PW has a total of 20 pins. The detailed pin configuration is as follows:

| Pin Number | Pin Name | Description | |------------|----------|-------------| | 1 | VCC | Power Supply Voltage (3.3V) | | 2 | GND | Ground | | 3 | XTI | Crystal Oscillator Input | | 4 | XTO | Crystal Oscillator Output | | 5 | MCLK | Master Clock Input | | 6 | BICK | Bit Clock Input | | 7 | LRCK | Left/Right Clock Input | | 8 | DATA | Serial Audio Data Input | | 9 | SCK | System Clock Input | | 10 | RESET | Reset Input | | 11 | VCC | Power Supply Voltage (3.3V) | | 12 | GND | Ground | | 13 | NC | No Connection | | 14 | NC | No Connection | | 15 | NC | No Connection | | 16 | NC | No Connection | | 17 | NC | No Connection | | 18 | NC | No Connection | | 19 | NC | No Connection | | 20 | NC | No Connection |

Functional Characteristics

  • High-quality audio signal reception and decoding
  • Low-jitter clock recovery for accurate data synchronization
  • Supports multiple input sample rates and output formats
  • Built-in error detection and correction mechanisms
  • Flexible control options for various audio processing applications

Advantages and Disadvantages

Advantages: - High-performance audio data reception with low distortion - Wide range of supported input sample rates and output formats - Reliable error detection and correction mechanisms

Disadvantages: - Limited pin configuration options for specific applications - Requires an external crystal oscillator for clock input

Applicable Range of Products

The DIR9001PW is widely used in various audio equipment and systems, including: - Digital audio receivers - Audio processors - Home theater systems - Professional audio equipment - Automotive audio systems

Working Principles

The DIR9001PW receives digital audio signals from a source device and converts them into a format suitable for further processing. It utilizes a crystal oscillator to recover the clock signal and synchronize the incoming data. The received audio data is then decoded and made available in different output formats for downstream processing.

Detailed Application Field Plans

  1. Digital Audio Receiver: The DIR9001PW can be used as the core component in a digital audio receiver, enabling high-quality audio signal reception and decoding.
  2. Audio Processor: Integrating the DIR9001PW into an audio processing system allows for accurate clock recovery and synchronization, ensuring optimal audio data processing.
  3. Home Theater System: By incorporating the DIR9001PW, a home theater system can receive and process digital audio signals with high fidelity and low distortion.
  4. Professional Audio Equipment: The DIR9001PW is suitable for professional audio equipment, such as mixers and amplifiers, providing reliable digital audio signal reception and decoding capabilities.
  5. Automotive Audio Systems: In automotive applications, the DIR9001PW enables the reception and processing of digital audio signals in car audio systems, delivering enhanced audio quality.

Detailed Alternative Models

  • PCM2707: USB Audio Interface Controller
  • CS8416: Digital Audio Receiver
  • WM8804: S/PDIF Transceiver

5 Common Technical Questions and Answers

  1. Q: What is the maximum supported sample rate by the DIR9001PW? A: The DIR9001PW supports sample rates up to 192kHz.

  2. Q: Can the DIR9001PW be used with both I²S and S/PDIF interfaces