PCM1794ADB TI Audio DAC | 28-SSOP | 24-Bit, 192kHz, 132dB SNR

Product Overview

The PCM1794ADB is a high-performance, 24-bit, 192kHz sampling stereo audio digital-to-analog converter (DAC) from Texas Instruments. It features advanced segment DAC architecture and delivers outstanding dynamic performance with a 132dB signal-to-noise ratio (SNR) and -132dB total harmonic distortion plus noise (THD+N). The device is housed in a compact 28-pin SSOP package, making it suitable for space-constrained audio applications. It supports I2S, left-justified, right-justified, and TDM data formats, and includes a programmable digital filter with selectable sharp roll-off or slow roll-off characteristics.

Detailed Technical Specifications

Key Features

• Advanced Segment DAC Architecture for High Linearity
• 132 dB SNR and -132 dB THD+N for Exceptional Audio Quality
• Supports PCM Data Rates up to 192 kHz
• Flexible Digital Filter Options: Sharp or Slow Roll-off
• Zero-Detection and Mute Functionality
• Low Clock Jitter Sensitivity
• Single 3.3V Digital Supply and 5V Analog Supply
• Compact 28-SSOP Package for Space-Saving Designs

Target Applications

• Professional Audio Equipment: Digital mixing consoles, audio interfaces (e.g., Yamaha MG series)
• High-End Consumer Audio: AV receivers (e.g., Denon AVR-X series), stereo amplifiers
• Automotive Infotainment: Premium sound systems in luxury vehicles (e.g., BMW 7 Series)
• Broadcast and Studio Monitors: Genelec studio monitors
• Musical Instruments: Digital pianos and synthesizers (e.g., Roland RD series)
• Home Theater Systems: Soundbars and multi-channel processors

Global Supply Chain & Wholesale Solutions

At Jasin Chip, we provide professional supply chain and wholesale solutions for PCM1794ADB. Our core advantages include:

• 24/7 Global Customer Support: Professional team providing instant quotes and technical support worldwide.
• In-stock Inventory, Same-day Shipping: We maintain localized stock; orders confirmed before 4 PM are shipped the same day.
• HK-SZ Synergy, Flexible Settlement: Direct global shipping from Shenzhen with support for HK bank transfers and multi-currency.
• Escrow Secured Transactions: We support Escrow.com for secure transactions, ensuring peace of mind for batch orders.
• BOM Kitting & Sampling Services: Specialized sourcing for testing samples and urgent shortage components.

Quality Assurance & Compliance

Jasin Chip guarantees that all delivered products are 100% original factory stock with full quality assurance and traceability.

• 100% Original & Authentic: All components are guaranteed to be authentic with strict quality control.
• RoHS Compliant: All electronic components comply with international environmental and safety standards.
• Original Factory Packaging: We maintain original factory packaging and seals to ensure ESD protection and physical integrity.

產品概述

PCM1794ADB 是德州儀器（TI）推出的一款高性能、24位、192kHz 採樣率的立體聲音頻數模轉換器（DAC）。它採用先進的分段 DAC 架構，具有 132dB 信噪比（SNR）和 -132dB 總諧波失真加噪聲（THD+N）的卓越動態性能。該器件採用緊湊的 28 引腳 SSOP 封裝，適合空間受限的音頻應用。它支持 I2S、左對齊、右對齊和 TDM 數據格式，並包含可編程數字濾波器，可選擇銳降或緩降特性。

詳細技術參數

核心特性

• 先進的分段 DAC 架構，實現高線性度
• 132 dB SNR 和 -132 dB THD+N，提供卓越音質
• 支持高達 192 kHz 的 PCM 數據速率
• 靈活的數字濾波器選項：銳降或緩降
• 零檢測和靜音功能
• 低時鐘抖動敏感度
• 單一 3.3V 數字電源和 5V 模擬電源
• 緊湊的 28-SSOP 封裝，節省空間

典型應用場景

• 專業音頻設備：數字調音台、音頻接口（如 Yamaha MG 系列）
• 高端消費音頻：AV 接收機（如 Denon AVR-X 系列）、立體聲放大器
• 汽車信息娛樂：豪華車型的高級音響系統（如寶馬 7 系）
• 廣播和錄音室監聽：Genelec 錄音室監聽音箱
• 樂器：數字鋼琴和合成器（如 Roland RD 系列）
• 家庭影院系統：條形音箱和多聲道處理器

環球供應鏈與批發合作夥伴方案

在 Jasin Chip，我們為 PCM1794ADB 提供全面的供應鏈與批發解決方案。 我們的核心優勢包括：

• 全天候環球客戶支援：專業團隊為您提供即時報價及技術支援，無需漫長等待。
• 現貨庫存，即日發貨：確保現貨充足。下午 4 點前確認訂單，即可安排當天寄出。
• 深港聯動，結算靈活：深圳直發全球，物流高效可靠；支援香港銀行戶口轉賬及多幣種結算。
• Escrow 擔保交易：支援 Escrow.com 平台交易，保障買賣雙方權益，小批量訂單亦可安心在線下單。
• BOM 配單與樣板服務：提供樣板測試及認證支援。專注一站式 BOM 配套及緊急缺料採購服務。

品質保證與合規

Jasin Chip 承諾所有出貨產品均為原廠正貨，具備完善的品質保證及產品可追溯性。

• 100% 原廠正貨：承諾所有供應零件均為原裝現貨，品質嚴格把關，來源清晰可追溯。
• 符合 RoHS 認證：所有電子元器件均符合國際環保標準及相關安全認證。
• 原廠封裝保護：嚴格保留原廠原始包裝及封條，確保物流過程中的靜電防護 (ESD) 與物理安全。

以上產品均為原廠正貨，提供 BOM 配單及現貨庫存支援，歡迎查詢。

HONG KONG JASIN SEMICONDUCTOR TECHNOLOGY COMPANY LIMITED
Trusted Partner for Automotive, Industrial, and Hard-to-find Components.
WhatsApp: +852 5209 9691 | Email: [email protected]