ماژول مبدل آنالوگ به دیجیتال صوتی PCM1808

ماژول مبدل آنالوگ به دیجیتال صوتی PCM1808 یک برد آماده برای تبدیل صدای آنالوگ به دیجیتال است که با دقت و کیفیت بالا .  گزینه‌ای ایده‌آل برای پردازش و ضبط صدا محسوب می‌شود. این ماژول از مبدل صدای آنالوگ به دیجیتال استریو 24 بیت PCM1808 بهره می‌برد و دارای تراشه ضبط صدای دیجیتال با کیفیت بالا است که در میکروفون‌های حرفه‌ای .  تجهیزات صوتی و سیستم‌های پردازش صدا به کار می‌رود. با بهترین ADC صوتی برای میکروفون .  این ماژول قادر است صدای آنالوگ را با رزولوشن 24 بیت و فناوری Delta-Sigma تبدیل کند و ورودی تک‌سویه‌ای با دامنه ولتاژ 3Vp-p ارائه دهد.
این ماژول دارای عملکرد فوق‌العاده‌ای با THD + N: -93 دسی‌بل .  SNR: 99 دسی‌بل و محدوده دینامیکی 99 دسی‌بل است. همچنین فیلتر دیجیتال داخلی آن باعث کاهش نویز و بهبود کیفیت صدا می‌شود. از دیگر ویژگی‌های مهم این ماژول می‌توان به پشتیبانی از فرمت‌های 24 بیتی I2S و Left-Justified .  مدهای Master و Slave .  فرکانس نمونه‌برداری 8 کیلوهرتز تا 96 کیلوهرتز و سیستم کلاک انعطاف‌پذیر با 256fs .  384fs و 512fs اشاره کرد. این ماژول دارای دو منبع تغذیه مجزا (5 ولت برای بخش آنالوگ و 3.3 ولت برای دیجیتال) است که موجب کاهش تداخل و افزایش دقت تبدیل می‌شود.
ماژول PCM1808 با بسته‌بندی 14-TSSOP و ابعاد کوچک انتخابی ایده‌آل برای پروژه‌های صوتی حرفه‌ای، تجهیزات ضبط صدا و سیستم‌های پردازش دیجیتال محسوب می‌شود. 

Description:

The PCM1808 Audio Analog-to-Digital Converter Module is a ready-to-use board for converting analog audio signals to digital with high precision and quality. It is an ideal choice for audio processing and recording applications. This module utilizes the 24-bit PCM1808 stereo analog-to-digital audio converter and features a high-quality digital audio recording chip, commonly used in professional microphones, audio equipment, and sound processing systems. With the best audio ADC for microphones, this module can convert analog audio signals into 24-bit resolution using Delta-Sigma technology and provides a single-ended input with a voltage range of 3Vp-p.
The module offers exceptional performance with THD + N: -93 dB, SNR: 99 dB, and a dynamic range of 99 dB. Its built-in digital filter reduces noise and improves sound quality. Other notable features include support for 24-bit I2S and Left-Justified data formats, Master and Slave modes, sampling frequencies ranging from 8 kHz to 96 kHz, and a flexible system clock with 256fs, 384fs, and 512fs options. This module is powered by two separate power supplies (5V for the analog section and 3.3V for the digital section), which reduces interference and improves conversion accuracy.
The PCM1808 module comes in a compact 14-TSSOP package, making it an ideal choice for professional audio projects, recording equipment, and digital processing systems.

Applications:
Due to its high-quality performance, affordable price, and compact design, the PCM1808 module is used in a wide range of digital audio systems, including:
Digital audio recording and processing systems
Audio conference devices and digital microphones
Professional sound cards and digital amplifiers
High-quality audio playback and streaming devices
Audio-based communication and telecommunications systems
With its high precision, low noise, optimized energy consumption, and support for common audio standards, the PCM1808 module is an excellent choice for digital audio projects.

Features:
Advanced Delta-Sigma Modulator: Uses a Delta-Sigma modulator with 64x oversampling, providing high accuracy in analog-to-digital conversion.
Integrated Digital Filters: Includes a decimation filter for sample rate reduction and a high-pass filter to remove DC components from the input signal, improving recording quality and reducing noise in the digital signal.
Support for Various Communication Modes: Supports both Master and Slave modes in the audio interface, offering flexibility for use in different audio systems.
Two Standard Data Formats: Supports two common data formats for transmitting digital audio data in various systems.
Advanced Power Management: Includes a power-down mode for energy conservation, with the option for both software and hardware reset via system clock stop.
Power and System Compatibility: Operates with a 5V analog power supply and a 3.3V digital power supply, making it suitable for integration into various devices.
CMOS Process for Optimal Performance: Manufactured with advanced CMOS technology, optimizing performance while reducing power consumption.
Compact 14-Pin TSSOP Package: The small 14-pin TSSOP package makes installation easy in electronic boards for diverse applications.

Features:
24-Bit Delta-Sigma Stereo A / D Converter
Single-Ended Input Voltage: 3 Vp-p
High Performance:
     THD + N: -93 dB (Typical)
     SNR: 99 dB (Typical)
     Dynamic range: 99 dB (Typical)
Decimation of oversampling Filter:
     Frequency oversampling: × 64
     Pass-Band Ripple: ± 05 dB
     Band Stop-Attenuation: -65 dB
     Pass Filter On-Chip: 0.91 Hz (48 khz)
Flexible PCM Audio Interface
     Master or Slave-Selectable Mode
     Data Formats: 24-Bit I 2 S, 24-Bit Left-Justified
Power Padding and Reset from System Clock Stop
Analogue LPF Antialias Included
Sampling Frequency: 8 khz-96 khz
System clock: 256 f S , 384 f S , 512 f S
Resolution: 24 Bit
Dual Power Supplies:
     5-V for Analog
     3.3-V for the Digital
Frames and display items: 14-TSSOP brooches