PCM1781DBQ TI Audio DAC | 16-SSOP | 24-Bit, 192kHz, 2Vrms

Product Overview

The PCM1781DBQ is a high-performance, single-chip, 24-bit, 192kHz stereo digital-to-analog converter (DAC) from Texas Instruments. It features a 24-bit delta-sigma modulator with an oversampling rate of 8× to 128×, providing excellent dynamic range and low distortion. The device operates from a single 5V supply and includes a 2Vrms line driver output, making it ideal for consumer and professional audio applications. Housed in a compact 16-pin SSOP package, the PCM1781DBQ offers a cost-effective solution for high-quality audio playback.

Detailed Technical Specifications

Key Features

• 24-bit delta-sigma DAC with 8× to 128× oversampling
• Supports sampling rates up to 192 kHz
• 106 dB dynamic range and -93 dB THD+N
• Integrated 2Vrms line driver output
• Single 5V supply operation
• Low power consumption: 50 mW typical
• I²C and SPI compatible serial interface
• Zero-detect and mute function
• Available in 16-pin SSOP package

Target Applications

The PCM1781DBQ is suitable for a wide range of audio applications, including:

• Home theater systems (e.g., AV receivers, soundbars)
• Automotive infotainment systems (e.g., car audio head units, DSP amplifiers)
• Professional audio equipment (e.g., mixing consoles, audio interfaces)
• Consumer electronics (e.g., Blu-ray players, streaming devices)
• Industrial audio systems (e.g., public address systems, intercoms)

Global Supply Chain & Wholesale Solutions

At Jasin Chip, we provide professional supply chain and wholesale solutions for PCM1781DBQ. 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

PCM1781DBQ 是德州儀器（TI）推出的一款高性能單芯片 24 位 192kHz 立體聲數模轉換器（DAC）。它採用 24 位 Δ-Σ 調製器，過採樣率為 8× 至 128×，具有出色的動態範圍和低失真。該器件由單一 5V 電源供電，並包含 2Vrms 線路驅動器輸出，非常適合消費類和專業音頻應用。PCM1781DBQ 採用緊湊的 16 引腳 SSOP 封裝，為高質量音頻播放提供了經濟高效的解決方案。

詳細技術參數

核心特性

• 24 位 Δ-Σ DAC，過採樣率 8× 至 128×
• 支持最高 192 kHz 採樣率
• 106 dB 動態範圍和 -93 dB THD+N
• 集成 2Vrms 線路驅動器輸出
• 單一 5V 電源供電
• 低功耗：典型值 50 mW
• 兼容 I²C 和 SPI 的串行接口
• 零檢測和靜音功能
• 採用 16 引腳 SSOP 封裝

典型應用場景

PCM1781DBQ 適用於多種音頻應用，包括：

• 家庭影院系統（例如 AV 接收器、條形音箱）
• 汽車信息娛樂系統（例如車載音頻主機、DSP 放大器）
• 專業音頻設備（例如調音台、音頻接口）
• 消費電子產品（例如藍光播放器、流媒體設備）
• 工業音頻系統（例如公共廣播系統、對講機）

環球供應鏈與批發合作夥伴方案

在 Jasin Chip，我們為 PCM1781DBQ 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]