TDA7803A-ZST ST Audio Amplifier | POWERSO-36 | 4x50W, Class AB

Product Overview

The TDA7803A-ZST is a high-performance quad bridge car radio amplifier designed by STMicroelectronics. It integrates four independent Class AB audio amplifiers capable of delivering up to 50W per channel into 4Ω loads. Housed in a compact POWERSO-36 package, this device offers excellent thermal performance and reliability for automotive audio systems.

Detailed Technical Specifications

Key Features

• Quad bridge configuration with four independent amplifiers
• High output power: 4x50W into 4Ω
• Low distortion and high SNR for premium audio quality
• Built-in diagnostics: DC offset detection, short-circuit protection, thermal warning
• Standby and mute functions for power saving
• Designed for automotive qualification (AEC-Q100)

Target Applications

• Car radio and infotainment systems
• Dashboard audio amplifiers
• External automotive audio amplifiers
• 5G base station audio alert systems
• Industrial audio equipment requiring high reliability

Global Supply Chain & Wholesale Solutions

At Jasin Chip, we provide professional supply chain and wholesale solutions for TDA7803A-ZST. 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

TDA7803A-ZST 是意法半導體（STMicroelectronics）推出的一款高性能四橋汽車音響放大器。它集成了四個獨立的 AB 類音頻放大器，每個通道在 4Ω 負載下可提供高達 50W 的功率。採用緊湊的 POWERSO-36 封裝，該器件具有出色的熱性能和可靠性，適用於汽車音頻系統。

詳細技術參數

核心特性

• 四橋配置，四個獨立放大器
• 高輸出功率：4x50W 至 4Ω
• 低失真和高信噪比，提供優質音頻
• 內置診斷功能：直流偏移檢測、短路保護、熱警告
• 待機和靜音功能，節省功耗
• 符合汽車級認證 (AEC-Q100)

典型應用場景

• 汽車收音機和信息娛樂系統
• 儀表板音頻放大器
• 外部汽車音頻放大器
• 5G 基站音頻報警系統
• 需要高可靠性的工業音頻設備

環球供應鏈與批發合作夥伴方案

在 Jasin Chip，我們為 TDA7803A-ZST 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]