PCM1781DBQR TI Audio DAC | 16-SSOP | 24-Bit, 192kHz, 2Vrms

Product Overview

The PCM1781DBQR is a high-performance, single-chip, 24-bit, 192kHz sampling stereo digital-to-analog converter (DAC) from Texas Instruments. It features a delta-sigma modulator with an oversampling rate of 128x (at 48kHz) and includes an on-chip digital interpolation filter. The device accepts standard audio data rates from 16 to 24 bits and supports sampling rates up to 192kHz. The PCM1781DBQR is designed for high-quality audio applications requiring low distortion and low noise. It operates from a single 5V power supply and is available in a compact 16-pin SSOP package.

Detailed Technical Specifications

Key Features

• 24-Bit Delta-Sigma DAC with 128x Oversampling
• Sampling Rates: 16 kHz to 192 kHz
• Dynamic Range: 106 dB (A-weighted)
• THD+N: -93 dB (at -1 dBFS)
• On-Chip Digital Interpolation Filter
• Single 5V Power Supply Operation
• Low Power Consumption: 55 mW
• I2S and Left-Justified Data Formats
• Zero-Detect Output for Muting
• Available in 16-Pin SSOP Package

Target Applications

• Professional Audio Equipment (e.g., mixing consoles, audio interfaces)
• Automotive Infotainment Systems (e.g., car audio head units, DSP amplifiers)
• Home Theater Systems (e.g., AV receivers, soundbars)
• Digital TV and Set-Top Boxes
• Musical Instruments (e.g., digital pianos, synthesizers)
• 5G Base Station Audio Processing
• Industrial Audio Systems (e.g., public address, intercom)

Global Supply Chain & Wholesale Solutions

At Jasin Chip, we provide professional supply chain and wholesale solutions for PCM1781DBQR. 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

PCM1781DBQR 是德州儀器（TI）推出的一款高性能、單芯片、24位、192kHz 採樣立體聲數字模擬轉換器（DAC）。它採用 Δ-Σ 調製器，過採樣率為 128 倍（48kHz 時），並包含片上數字插值濾波器。該器件支持 16 至 24 位的標準音頻數據速率，採樣率高達 192kHz。PCM1781DBQR 專為需要低失真和低噪聲的高品質音頻應用而設計。它由單一 5V 電源供電，採用緊湊的 16 引腳 SSOP 封裝。

詳細技術參數

核心特性

• 24 位 Δ-Σ DAC，128 倍過採樣
• 採樣率：16 kHz 至 192 kHz
• 動態範圍：106 dB（A 加權）
• THD+N：-93 dB（-1 dBFS 時）
• 片上數字插值濾波器
• 單一 5V 電源供電
• 低功耗：55 mW
• 支持 I2S 和左對齊數據格式
• 零檢測輸出用於靜音
• 16 引腳 SSOP 封裝

典型應用場景

• 專業音頻設備（例如調音台、音頻接口）
• 汽車信息娛樂系統（例如車載音響主機、DSP 放大器）
• 家庭影院系統（例如 AV 接收器、條形音箱）
• 數字電視和機頂盒
• 樂器（例如數碼鋼琴、合成器）
• 5G 基站音頻處理
• 工業音頻系統（例如公共廣播、對講機）

環球供應鏈與批發合作夥伴方案

在 Jasin Chip，我們為 PCM1781DBQR 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]