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ACM3128A Datasheet Analog Input Class-d Audio Amplifier

Manufacturer: ACME

Datasheet Details

Part number ACM3128A
Manufacturer ACME
File Size 2.02 MB
Description Analog Input Class-D Audio Amplifier
Datasheet ACM3128A-ACME.pdf

General Description

- 2×42W, 1% THD+N, 24V, 6Ω, BTL The ACM3128A is a stereo/mono, Class D audio amplifier - 1×84W, 1% THD+N, 24V, 3Ω, PBTL delivers up to 2×42W into 6Ω stereo mode and 1×84W into Zhisheng Confidential  ExcellentAudioPerformance - THD+N ≤ 0.02% at 1W, 1kHz, 4Ω, PVDD = 24V - Higher Order Modulator Enable Better THD+N for full audio band - Idle switching A-weighted noise ≤ 63 𝑢𝑢𝑢𝑢𝑅𝑅𝑅𝑅𝑅𝑅  Efficient Class-D Operation - >90% efficient Class-D operation eliminates need for heat sink - Low Idle Current: <24mA, PVDD=12V, LC Filter=10uH+0.68uF - Patented Modulation Schemes to Minimize inductor ripple Current for all output power level - Class-H Control improves efficiency for full output power range  Low EMI Technology - Spread Spectrum Option - 180˚ PWM Phase Shift  Gain Management - 20dB, 26dB, 30dB, 34dB fixed gain setting - Mute Operation to stop PWM switching - Programmable Power Limit  Analog Protections a 3Ω load in mono mode while offering up to 92% efficiency.

In order to minimize power dissipation, a new patented modulation scheme - Dynamic PWM been used to minimize inductor loss for full output power range.

The ACM3128A operates from a single +4.5V to +26.4V supply, driving the load in BTL or PBTL configuration.

Key Features

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