LM4881
- VSSOP Surface Mount Packaging
- Unity-gain Stable
- External Gain Configuration Capability
- Thermal Shutdown Protection Circuitry
- No Bootstrap Capacitors, or Snubber Circuits are Necessary
Key Specifications
- THD+N at 1kHz at 125mW Continuous Average Output Power into 8Ω 0.1% (max)
- THD+N at 1kHz at 75mW Continuous
0.02% (typ) - Output Power at 10% THD+N at 1kHz into 8Ω 300 mW (typ)
- Shutdown Current 0.7µA (typ)
- Supply Voltage Range 2.7V to 5.5 V
All trademarks are the property of their respective owners. Boomer is a trademark of Texas Instruments.
The LM4881 is a dual audio power amplifier capable of delivering 200mW of continuous average power into an 8Ω load with 0.1% THD+N from a 5V power supply.
Boomer audio power amplifiers were designed specifically to provide high quality output power with a minimal amount of external components using surface mount packaging. Since the LM4881 does not require bootstrap capacitors or snubber networks, it is optimally suited for low-power portable systems.
The LM4881 features an externally controlled, low power consumption shutdown mode which is virtually clickless and popless, as well as an internal thermal shutdown protection mechanism.
The unity-gain stable LM4881 can be configured by external gain-setting resistors.
技術文件
| 類型 | 標題 | 日期 | ||
|---|---|---|---|---|
| * | Data sheet | LM4881 Dual 200 mW Headphone Amplifier with Shutdown Mode datasheet (Rev. D) | 2013年 5月 2日 | |
| Application note | Guidelines for Measuring Audio Power Amplifier Performance (Rev. A) | 2019年 8月 26日 | ||
| Application note | AN-1849 An Audio Amplifier Power Supply Design (Rev. C) | 2019年 6月 27日 |
設計與開發
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PSPICE-FOR-TI — PSpice® for TI 設計與模擬工具
| 封裝 | 針腳 | CAD 符號、佔位空間與 3D 模型 |
|---|---|---|
| SOIC (D) | 8 | Ultra Librarian |
| VSSOP (DGK) | 8 | Ultra Librarian |
訂購與品質
- RoHS
- REACH
- 產品標記
- 鉛塗層/球物料
- MSL 等級/回焊峰值
- MTBF/FIT 估算值
- 材料內容
- 認證摘要
- 進行中持續性的可靠性監測
- 晶圓廠位置
- 組裝地點