PCM1793DBG4

Product Overview

• Category: Audio Digital-to-Analog Converter (DAC)
• Use: Converts digital audio signals into analog signals for high-quality audio playback
• Characteristics:
  • High-resolution audio support
  • Low distortion and noise levels
  • Wide dynamic range
  • Multiple digital audio input formats supported
• Package: DBG package
• Essence: Provides high-fidelity audio conversion for various applications
• Packaging/Quantity: Available in reels or tubes, quantity depends on supplier

Specifications

• Resolution: Up to 24-bit
• Sampling Rate: Up to 192 kHz
• Signal-to-Noise Ratio (SNR): > 120 dB
• Total Harmonic Distortion + Noise (THD+N): < 0.001%
• Digital Audio Input Formats: I2S, left-justified, right-justified, and TDM
• Power Supply Voltage: 3.3 V
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The PCM1793DBG4 has a total of 28 pins. Here is the detailed pin configuration:

1. AVDD: Analog power supply voltage
2. DVDD: Digital power supply voltage
3. AGND: Analog ground
4. DGND: Digital ground
5. VCOM: Common-mode voltage reference
6. BCK: Bit clock input
7. LRCK: Left/right clock input
8. DATA: Serial data input
9. MUTE: Mute control input
10. DEEMPH: De-emphasis control input
11. OSF0: Oversampling filter selection bit 0
12. OSF1: Oversampling filter selection bit 1
13. SDA: I2C serial data input
14. SCL: I2C serial clock input
15. VOUTL: Left channel analog output
16. VOUTR: Right channel analog output 17-28. NC: No connection

Functional Features

• High-resolution audio support for enhanced audio quality
• Low distortion and noise levels ensure accurate sound reproduction
• Wide dynamic range captures subtle details in audio recordings
• Multiple digital audio input formats allow compatibility with various sources
• On-chip digital filters for improved audio performance
• Integrated mute and de-emphasis functions for added flexibility

Advantages and Disadvantages

Advantages: - High-quality audio conversion - Versatile digital audio input format support - Low distortion and noise levels - Wide dynamic range

Disadvantages: - Requires external components for complete audio playback system - Limited pin configuration options for specific applications

Working Principles

The PCM1793DBG4 operates by receiving digital audio data through its input pins. It then processes the data using its internal digital filters and oversampling techniques to enhance the audio quality. The converted analog audio signals are then output through the left and right channel pins. The device also includes additional features such as mute control and de-emphasis to further customize the audio output.

Detailed Application Field Plans

The PCM1793DBG4 is commonly used in various audio-related applications, including:

1. High-end audio systems
2. Professional audio equipment
3. Home theater systems
4. Automotive audio systems
5. Musical instruments
6. Audio recording and mixing consoles

Its high-resolution audio support and low distortion make it suitable for applications that require accurate and faithful audio reproduction.

Detailed and Complete Alternative Models

1. PCM1792A: Similar audio DAC with slightly different specifications
2. PCM1794A: Higher-performance audio DAC with improved signal-to-noise ratio
3. PCM1798: Audio DAC with integrated volume control functionality
4. PCM5102A: Low-power audio DAC for portable devices
5. AK4490EQ: High-performance audio DAC from a different manufacturer

These alternative models offer different features and performance levels, allowing users to choose the most suitable option for their specific requirements.

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