2×7.9W 脉冲控制防破音_F类、双声道音频放大器

LTK5209 是一款 3Ω -7.9W、 双声道 F 类音频功率放大器。 LTK5209 采用高耐压工艺，耐压可达 7V。 LTK5209 具有一线脉冲功能，可控制单个管脚使功放芯片进入 D 类防破音、 D 类不防破音、 AB 类模式、关断模式，达到节省 IO 口的目的， 如不使用一线脉冲功能，也可分别控制 EN 和 MODE 管脚， 方便地切换为各个工作模式， LTK5209 在 AB 类模式可以完全消除 EMI 干扰。在 D 类放大器模式下可以提供高于 90%的效率， 新型的无滤波器结构可以省去传统 D 类放大器的输低通滤波器， LTK5209 独有的 DRC（Dynamic r • 输入电压范围 2.8V-7V\r\n• 防破音（AGC）功能\r\n• 一线脉冲控制功能\r\n• 无滤波的 D 类/AB 类放大器、低静态电流和低 EMI\r\n• FM 模式无干扰\r\n• 优异的爆破声抑制电路\r\n• 超低底噪、 超低失真\r\n• 10% THD+N， VDD=7V， 3Ω +15UH 负载下提供高达 27.9W 的输出功率\r\n• 10% THD+N， VDD=7V， 4Ω +33UH 负载下提供高达 26.6W 的输出功率\r\n• 过温保护、短路保护\r\n• 封装形式 ESSOP-10\r\n• 关断电流<1ua;

Wideband variable gain amplifier

DESCRIPTION The NE5209 represents a breakthrough in monolithic amplifier design featuring several innovations. This unique design has combined the advantages of a high speed bipolar process with the proven Gilbert architecture. The NE5209 is a linear broadband RF amplifier whose gain is controll

Wideband variable gain amplifier

DESCRIPTION The NE5209 represents a breakthrough in monolithic amplifier design featuring several innovations. This unique design has combined the advantages of a high speed bipolar process with the proven Gilbert architecture. The NE5209 is a linear broadband RF amplifier whose gain is controll

Wideband variable gain amplifier

DESCRIPTION The NE5209 represents a breakthrough in monolithic amplifier design featuring several innovations. This unique design has combined the advantages of a high speed bipolar process with the proven Gilbert architecture. The NE5209 is a linear broadband RF amplifier whose gain is controll

Wideband variable gain amplifier

DESCRIPTION The NE5209 represents a breakthrough in monolithic amplifier design featuring several innovations. This unique design has combined the advantages of a high speed bipolar process with the proven Gilbert architecture. The NE5209 is a linear broadband RF amplifier whose gain is controll

Wideband variable gain amplifier

DESCRIPTION The NE5209 represents a breakthrough in monolithic amplifier design featuring several innovations. This unique design has combined the advantages of a high speed bipolar process with the proven Gilbert architecture. The NE5209 is a linear broadband RF amplifier whose gain is controll