PCM1860DBT

Product Overview

Category: Audio Interface IC
Use: Analog-to-Digital Converter (ADC)
Characteristics: High-performance, low-power, stereo audio ADC
Package: TSSOP-20
Essence: Converts analog audio signals into digital format
Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Resolution: 24-bit
• Sampling Rate: Up to 192 kHz
• Signal-to-Noise Ratio (SNR): 105 dB
• Total Harmonic Distortion + Noise (THD+N): -94 dB
• Power Supply Voltage: 3.3 V
• Power Consumption: 5.8 mW (typical)

Pin Configuration

The PCM1860DBT has a total of 20 pins. Here is the detailed pin configuration:

1. VCC: Power supply voltage input
2. GND: Ground reference
3. BCLK: Bit clock input
4. LRCLK: Left/right clock input
5. SDIN: Serial data input
6. MCLK: Master clock input
7. AGND: Analog ground reference
8. AINL+: Positive input for left channel
9. AINL-: Negative input for left channel
10. AINR+: Positive input for right channel
11. AINR-: Negative input for right channel
12. DVDD: Digital power supply voltage input
13. SDOUT: Serial data output
14. SDOFF: Serial data output format select
15. FS: Frame sync output
16. DEMP: De-emphasis control
17. VREF: Reference voltage output
18. AVDD: Analog power supply voltage input
19. VCOM: Common-mode voltage output
20. NC: No connection

Functional Features

• High-resolution audio conversion with 24-bit resolution
• Wide sampling rate range up to 192 kHz for accurate reproduction
• Low power consumption for energy-efficient operation
• Excellent signal-to-noise ratio (105 dB) for clear audio capture
• Low total harmonic distortion + noise (-94 dB) for high-fidelity sound

Advantages and Disadvantages

Advantages: - High-performance audio conversion - Wide sampling rate range - Low power consumption - Excellent signal-to-noise ratio - Low distortion for high-quality sound

Disadvantages: - Limited pin configuration options - Requires external components for complete audio interface implementation

Working Principles

The PCM1860DBT is an analog-to-digital converter designed to convert analog audio signals into digital format. It utilizes a high-resolution 24-bit ADC to accurately capture the audio input. The device operates at a wide sampling rate range of up to 192 kHz, allowing for precise reproduction of audio signals. With low power consumption and excellent signal-to-noise ratio, the PCM1860DBT ensures high-quality audio conversion.

Detailed Application Field Plans

The PCM1860DBT is commonly used in various audio applications, including:

1. Professional audio recording equipment
2. Consumer audio devices such as soundbars and home theater systems
3. Musical instruments and audio synthesizers
4. Automotive infotainment systems
5. Voice recognition and communication devices

Detailed and Complete Alternative Models

1. PCM1861DBT: Similar specifications and features, but with additional digital audio output options.
2. PCM1862DBT: Higher resolution (32-bit) ADC with similar performance characteristics.
3. PCM1863DBT: Lower power consumption variant with slightly reduced performance specifications.

These alternative models provide flexibility in choosing the most suitable ADC based on specific requirements and system constraints.

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