HT338 datasheet(1/19 Pages) HEROIC

номер детали	HT338

подробное описание детали	2X50W Class D Stereo Amplifier

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производитель	HEROIC [Jiaxing Heroic Technology Co.,Ltd.]

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HT338

Stereo Class D Amplifier

-1-

8/2023 – V1.1

2×50W D类立体声音频功放

2×50W Class D Stereo Amplifier

◼ FEATURES

・Output Power (BTL)

2×40W (VDD=18V, RL=4Ω, THD+N=10%)

2×50W (VDD=24V, RL=6Ω, THD+N=10%)

2×40W (VDD=24V, RL=8Ω, THD+N=10%)

・Output Power (PBTL)

80W (VDD=24V, RL=4Ω, THD+N=10%)

100W (VDD=24V, RL=3Ω, THD+N=10%)

・Single Wide Voltage Supply: 4.5V-26V

・Efficiency > 90%

・Spread spectrum function

・MUTE function

・Differential / Single-ended Analog Input, BTL or

PBTL Output

・Selectable Gain: 32dB or 26dB

・Integrated Self-protection Circuits Including

Overvoltage, Undervoltage, Overtemperature, DC-

detect, and Overcurrent with Error Reporting

・LF and HF Package of ETSSOP28

・输出功率（BTL）

2×40W (VDD=18V, RL=4Ω, THD+N=10%)

2×50W (VDD=24V, RL=6Ω, THD+N=10%)

2×40W (VDD=24V, RL=8Ω, THD+N=10%)

・输出功率（PBTL模式）

80W (VDD=24V, RL=4Ω, THD+N=10%)

100W (VDD=24V, RL=3Ω, THD+N=10%)

・单电源系统，4.5V-26V宽电压输入范围

・超过90%效率，无需散热器

・扩频功能

・MUTE功能

・模拟差分/单端输入，输出模式立体声/单声道可选

・可选增益：32dB/26dB

・保护功能：过压/过流/过热/欠压异常，直流检测

和短路保护

・无铅无卤封装，ETSSOP28

◼ APPLICATIONS

・Sound Bars

・Wireless Speakers

・Consumer Audio Applications ・TVs/Monitors

・条形音箱

・无线智能音箱

・便携式音箱

・消费类音频应用

・拉杆音箱

・LCD电视/监视器

◼ DESCRIPTION

HT338 is a stereo efficient, Class-D audio amplifier for driving

speakers up to 50W/6 Ω in stereo BTL. It can also deliver

100W/3Ω power in stereo PBTL.

Spread spectrum function is available to achieve advanced EMI

Suppression.

The built-in shutdown function can minimize the standby current

of HT338. The device also integrates MUTE function. HT338 is

fully protected against faults with Overvoltage, Undervoltage,

Overtemperature, DC-detect, and Overcurrent protection. Faults

can be reported to the processor to prevent devices from being

damaged.

.

HT338是一款高效D类音频功率放大器。

在

24V供电的立体声（BTL）、THD+N=10%条

件下，能够持续提供

2*40W/6Ω功率输出；在单

声道（

PBTL）、模式、THD+N=10%条件下，能

够持续提供

100W/3Ω功率输出。

HT338具有先进的扩频功能来抑制EMI。

此外，

HT338内置关断功能使待机电流最

小化，同时内置了

MUTE功能，还集成了过压保

护、直流保护、短路保护、热保护和电源欠压

异常保护等功能，可全面防止出现故障。

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Аналогичное описание - HT338

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