首頁 音訊、觸覺和壓電 音訊放大器 通用型音訊放大器
首頁
音訊、觸覺和壓電
音訊放大器
通用型音訊放大器

LM4819

現行

採用 VSSOP 封裝的 350-mW、單聲道、類比輸入、AB 類音訊放大器

立即訂購
產品規格表

LM4819

現行
產品規格表 立即訂購

產品詳細資料

Audio input type Analog Input Architecture Class-AB Speaker channels (max) Mono Control interface Hardware Output power (W) 0.35 Power stage supply (max) (V) 5.5 Power stage supply (min) (V) 2 THD + N at 1 kHz (%) 1 Load (min) (Ω) 8 Analog supply voltage (min) (V) 2 Analog supply voltage (max) (V) 5.5 Rating Catalog Operating temperature range (°C) -40 to 85
Audio input type Analog Input Architecture Class-AB Speaker channels (max) Mono Control interface Hardware Output power (W) 0.35 Power stage supply (max) (V) 5.5 Power stage supply (min) (V) 2 THD + N at 1 kHz (%) 1 Load (min) (Ω) 8 Analog supply voltage (min) (V) 2 Analog supply voltage (max) (V) 5.5 Rating Catalog Operating temperature range (°C) -40 to 85
VSSOP (DGK) 8 14.7 mm² (3 mm × 4.9 mm) SOIC (D) 8 29.4 mm² (4.9 mm × 6 mm) WSON (NGL) 8 6.25 mm² (2.5 mm × 2.5 mm)
  • WSON, SOIC, and VSSOP Surface Mount Packaging
  • Switch On/Off Click Suppression
  • Unity-Gain Stable
  • Minimum External Components

Key Specifications

  • THD+N at 1kHz, 350mW Continuous Average Output Power into 16Ω: 10% (max)
  • THD+N at 1kHz, 300mW Continuous Average Output Power into 8Ω: 10% (max)
  • Shutdown Current: 0.7μA (typ)

All trademarks are the property of their respective owners.

  • WSON, SOIC, and VSSOP Surface Mount Packaging
  • Switch On/Off Click Suppression
  • Unity-Gain Stable
  • Minimum External Components

Key Specifications

  • THD+N at 1kHz, 350mW Continuous Average Output Power into 16Ω: 10% (max)
  • THD+N at 1kHz, 300mW Continuous Average Output Power into 8Ω: 10% (max)
  • Shutdown Current: 0.7μA (typ)

All trademarks are the property of their respective owners.

The LM4819 is a mono bridged power amplifier that is capable of delivering 350mWRMS output power into a 16Ω load or 300mWRMS output power into an 8Ω load with 10% THD+N from a 5V power supply.

The LM4819 Boomer audio power amplifier is designed specifically to provide high quality output power and minimize PCB area with surface mount packaging and a minimal amount of external components. Since the LM4819 does not require output coupling capacitors, bootstrap capacitors or snubber networks, it is optimally suited for low-power portable applications.

The closed loop response of the unity-gain stable LM4819 can be configured using external gain-setting resistors. The device is available in WSON, VSSOP, and SOIC package types to suit various applications.

The LM4819 is a mono bridged power amplifier that is capable of delivering 350mWRMS output power into a 16Ω load or 300mWRMS output power into an 8Ω load with 10% THD+N from a 5V power supply.

The LM4819 Boomer audio power amplifier is designed specifically to provide high quality output power and minimize PCB area with surface mount packaging and a minimal amount of external components. Since the LM4819 does not require output coupling capacitors, bootstrap capacitors or snubber networks, it is optimally suited for low-power portable applications.

The closed loop response of the unity-gain stable LM4819 can be configured using external gain-setting resistors. The device is available in WSON, VSSOP, and SOIC package types to suit various applications.
filter 尋找其它 通用型音訊放大器
下載 觀看有字幕稿的影片 影片

技術文件

找不到結果。請清除您的搜尋條件，然後再試一次。
檢視所有 1
重要文件 類型 標題 格式選項 下載最新的英文版本 日期
* 資料表 LM4819  350mW Audio Power Amplifier with Shutdown Mode datasheet (Rev. D) 2013/3/21

設計與開發

如需其他條款或必要資源，請按一下下方的任何標題以檢視詳細頁面 (如有)。

開發板

LM4819MBD — 具有關機模式的 350mW 音訊功率放大器

The LM4819 is a mono bridged power amplifier that is capable of delivering 350mWRMS output power into a 16Ω load or 300mWRMS output power into an 8Ω load with 10% THD+N from a 5V power supply.

This LM4819MBD is an evaluation board designed to ease the evaluation and effort during the development of (...)

支援產品和硬體
有庫存
限制：
??asset.out-of-stock-ti_zh_TW??
無法提供
參考設計

TIDM-CONNECTED-ETHERNET — 連接乙太網路、USB 和 LCD 的參考設計

此參考設計將展示數種支援乙太網路與 LCD 的應用，例如遠端感測器監控、透過網頁與 LCD 儀表板進行的乙太網路組態，以及與天氣網站介接的感知應用。

支援產品和硬體
參考設計

TIDM-TM4C129CAMERA — 用於 ARM® Cortex®-M 微控制器 (MCU) 的攝影機參考設計

此設計實現了一個具備 QVGA 顯示面板與內建網頁伺服器的網路攝影機，可用於遠端監控。  網頁伺服器佔用記憶體空間僅 250KB，TM4C129x 微控制器仍保有充足記憶體，方便進行更多客製化功能的開發。

支援產品和硬體
參考設計

TIDM-TM4C129POEAUDIO — 支援乙太網路供電 (PoE) 的音頻通訊參考設計

此設計採用德州儀器的高性能 TM4C129x 微控制器 (MCU)，其中整合了乙太網路 PHY，能夠有效擷取、交換及播放音訊。電力透過網路（PoE 解決方案）供應，無需額外的外部電源。此應用程式使用 TivaWare 圖形資料庫來實作具備觸控功能的使用者介面，利用 lwIP 透過網路交換資料，並使用 Opus 音訊編解碼器壓縮音訊資料以提升頻寬使用率。
支援產品和硬體
封裝 針腳 CAD 符號、佔位空間與 3D 模型
VSSOP (DGK) 8 Ultra Librarian
SOIC (D) 8 Ultra Librarian
WSON (NGL) 8 Ultra Librarian
適用 TI 的評估品項標準條款與條件。

訂購與品質

建議產品可能具有與此 TI 產品相關的參數、評估模組或參考設計。

支援與培訓

內含 TI 工程師技術支援的 TI E2E™ 論壇

以英文檢視所有論壇主題

內容係由 TI 和社群貢獻者依「現狀」提供，且不構成 TI 規範。檢視使用條款。

若有關於品質、封裝或訂購 TI 產品的問題，請參閱 TI 支援。​​​​​​​​​​​​​​

影片