1.2W, Low-EMI, Filterless, Class D Audio Amplifier

General Description The MAX9746 mono Class D audio power amplifier provides Class AB amplifier performance with Class D efficiency, conserving board space and extending battery life. The MAX9746 is designed specifically for systems using 1.8V logic interface. Using a Class D architecture, the MAX

1.2W、低EMI、无需滤波、D类音频放大器

MAX9746单声道D类音频功率放大器能够以D类放大器的效率提供AB类放大器的性能，可有效节省电路板空间，延长电池寿命。MAX9746专为采用1.8V逻辑接口的系统而设计。MAX9746采用D类结构，能够以接近90%的效率为8Ω负载提供1.2W功率。低EMI调制方案省去了传统的D类放大器输出滤波器。\n MAX9746提供两种调制方案：固定频率调制(FFM)模式和扩展频谱调制(SSM)模式，可有效降低EMI。另外，MAX9746的振荡器可以通过SYNC输入与外部时钟同步，允许用户自定义开关频率。SYNC输入还允许多个MAX9746级联，同步工作，以减小时钟互调引起的干扰。该器件采用全差 \n• 无需滤波即可在100mm电缆传输中满足FCC辐射标准 \n• 与传统方案相比，独特的扩展频谱模式使辐射指标改善5dB \n• 可选择外部SYNC输入 \n• 为立体声工作方式提供简单的主、从配置 \n• 效率达88% \n• 为8Ω负载提供1.2W驱动 \n• 低至0.1%的THD+N \n• 高PSRR (217Hz下72dB) \n• 集成咔嗒声抑制电路 \n• 兼容1.8V逻辑电平 \n• 低静态电流(4mA) \n• 低功耗关断模式(0.1µA) \n• 短路与热过载保护 \n• 采用高效散热、节省空间的12焊球UCSP (1.5mm x 2mm x 0.6mm;

1.2W, Low-EMI, Filterless, Class D Audio Amplifier

General Description The MAX9746 mono Class D audio power amplifier provides Class AB amplifier performance with Class D efficiency, conserving board space and extending battery life. The MAX9746 is designed specifically for systems using 1.8V logic interface. Using a Class D architecture, the MAX

Dual 8-/10-/12-/14-/16-Bit 250 MSPS Digital-to-Analog Converters

GENERAL DESCRIPTION The AD9741/AD9743/AD9745/AD9746/AD9747 are pin compatible, high dynamic range, dual digital-to-analog converters (DACs) with 8-/10-/12-/ 14-/16-bit resolutions and sample rates of up to 250 MSPS. The devices include specific features for direct conversion transmit applicatio

Dual 8-/10-/12-/14-/16-Bit 250 MSPS Digital-to-Analog Converters

GENERAL DESCRIPTION The AD9741/AD9743/AD9745/AD9746/AD9747 are pin compatible, high dynamic range, dual digital-to-analog converters (DACs) with 8-/10-/12-/ 14-/16-bit resolutions and sample rates of up to 250 MSPS. The devices include specific features for direct conversion transmit applicatio

Dual 8-/10-/12-/14-/16-Bit 250 MSPS Digital-to-Analog Converters

GENERAL DESCRIPTION The AD9741/AD9743/AD9745/AD9746/AD9747 are pin compatible, high dynamic range, dual digital-to-analog converters (DACs) with 8-/10-/12-/ 14-/16-bit resolutions and sample rates of up to 250 MSPS. The devices include specific features for direct conversion transmit applicatio

Dual 8-/10-/12-/14-/16-Bit 250 MSPS Digital-to-Analog Converters

GENERAL DESCRIPTION The AD9741/AD9743/AD9745/AD9746/AD9747 are pin compatible, high dynamic range, dual digital-to-analog converters (DACs) with 8-/10-/12-/ 14-/16-bit resolutions and sample rates of up to 250 MSPS. The devices include specific features for direct conversion transmit applicatio