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EMA2204 - 2.7W/Ch Stereo Fully Differential Audio Power Amplifier

General Description

The EMA2204 is a 2.7W/Ch Stereo fully differential amplifier designed to drive a speaker with at least 4Ω impedance.

The device operates from 2.2 V to 5.5 V, drawing 9mA(Typ.) of quiescent supply current.

The EMA2204 performs superior THD+N and PSRR with no bypass capacitor required.

Key Features

  • such as -65dB supply voltage rejection from 20 Hz to 10kHz, improved RF rectification immunity and a fast startup with minimal pop. Features ．2.7 W/Ch Into 4Ω From a 5-V Supply at THD = 10% (Typ) ．Low Supply Current: 9mA (Typ) at 5 V ．Shutdown Current: 0.1 μA (Typ) ．Fast Startup With Minimal Pop ．Improved PSRR (-65 dB) and Wide Supply Voltage (2.2 V to 5.5 V) for Direct Battery Operation ．Fully Differential Design Reduces RF Rectification ．-63 dB CMRR Eliminates Two Input Coupling Capacitors ．A.

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ESMT/EMP EMA2204 2.7W/Ch Stereo Fully Differential Audio Power Amplifier with Bypass Capacitor Free General Description The EMA2204 is a 2.7W/Ch Stereo fully differential amplifier designed to drive a speaker with at least 4Ω impedance. The device operates from 2.2 V to 5.5 V, drawing 9mA(Typ.) of quiescent supply current. The EMA2204 performs superior THD+N and PSRR with no bypass capacitor required. With no bypass capacitor, the EMA2204 is ideal for PMPs applications due to features such as -65dB supply voltage rejection from 20 Hz to 10kHz, improved RF rectification immunity and a fast startup with minimal pop. Features ．2.7 W/Ch Into 4Ω From a 5-V Supply at THD = 10% (Typ) ．Low Supply Current: 9mA (Typ) at 5 V ．Shutdown Current: 0.