LM4546BVH/NOPB TI Audio Codec | 2-Ch ADC/DAC, 48kHz, 3.3V

Product Overview

The LM4546BVH/NOPB is a high-performance audio codec from Texas Instruments, designed for multi-channel audio applications. It integrates two analog-to-digital converters (ADCs) and two digital-to-analog converters (DACs) with 16-bit resolution, supporting sample rates up to 48 kHz. Operating from a single 3.3V supply, it features a low-power architecture suitable for portable and embedded systems. The device includes a stereo headphone amplifier, microphone preamplifier, and programmable gain controls, making it ideal for consumer and professional audio equipment.

Detailed Technical Specifications

Key Features

• Dual 16-bit ADC and DAC channels
• Low power consumption: 50 mW typical
• Single 3.3V supply operation
• Integrated headphone amplifier (30 mW into 32Ω)
• Microphone preamplifier with programmable gain
• Programmable sample rates from 8 kHz to 48 kHz
• I2S and AC97 digital audio interfaces
• Power-down modes for battery-powered applications
• Small 48-pin LQFP package

Target Applications

• 5G base station audio processing
• Automotive dashboard infotainment systems
• Portable media players
• Voice over IP (VoIP) terminals
• Digital video recorders
• Professional audio mixing consoles

Global Supply Chain & Wholesale Solutions

At Jasin Chip, we provide professional supply chain and wholesale solutions for LM4546BVH/NOPB. 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

LM4546BVH/NOPB 是德州儀器（TI）推出的一款高性能音頻編解碼器，專為多通道音頻應用設計。它集成了兩個模數轉換器（ADC）和兩個數模轉換器（DAC），分辨率為16位，支持高達48 kHz的採樣率。器件在單一3.3V電源下工作，具有低功耗特性，適合便攜式和嵌入式系統。它包含立體聲耳機放大器、麥克風前置放大器和可編程增益控制，適用於消費類和專業音頻設備。

詳細技術參數

核心特性

• 雙通道16位ADC和DAC
• 低功耗：典型值50 mW
• 單一3.3V電源供電
• 集成耳機放大器（30 mW，32Ω負載）
• 麥克風前置放大器，可編程增益
• 可編程採樣率：8 kHz 至 48 kHz
• I2S和AC97數字音頻接口
• 省電模式，適用於電池供電應用
• 小型48引腳LQFP封裝

典型應用場景

• 5G基站音頻處理
• 汽車儀表盤信息娛樂系統
• 便攜式媒體播放器
• 網絡電話（VoIP）終端
• 數字視頻錄像機
• 專業音頻調音台

環球供應鏈與批發合作夥伴方案

在 Jasin Chip，我們為 LM4546BVH/NOPB 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]