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EUA2313 Datasheet(PDF) 1 Page - Eutech Microelectronics Inc |
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EUA2313 Datasheet(HTML) 1 Page - Eutech Microelectronics Inc |
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1 / 1 page  EUA2313 DS2313 Ver1.0 Mar. 2012 1 6-W Stereo Class-D Audio Power Amplifier with Speaker Protection DESCRIPTION The EUA2313 is a high efficiency, 2 channel bridged-tied load (BTL), class-D audio power amplifier. Operating from a 10V power supply, EUA2313 is capable of delivering 6W/ channel of continuous output power to a 8 load with 10% THD+N. The EUA2313 features a differential input architecture offering improved noise immunity over a single-ended (SE) input amplifier. Amplifier gain is internally configured and can be selected to 20, 26, 32 or 36dB utilizing the G0 and G1 gain select pins. Advanced EMI suppression technology enables the use of inexpensive ferrite bead at the outputs while meeting EMC requirements. The speaker protection circuitry is integrated into EUA2313 to limit the amount of current through the speaker. Meanwhile, the AGC detects output signal clip due to the over level input signal and suppresses it automatically. The EUA2313 also features short-circuit and thermal protection preventing the device from being damaged during a fault condition. The EUA2313 is available in thermally efficient 28-pin TSSOP package. FEATURES Wide Supply Voltage: 8V to 26V Unique Modulation Scheme Reduces EMI Emission 6-W/ch into an 8- Load From a 10-V Supply 12W into a 4- Mono Load From a 10-V Supply 87% Efficient Class-D Operation Eliminates Need for Heat Sinks Four Selectable, Gain Settings Differential Inputs Speaker Protection Circuitry Auto Gain Control Thermal and Short-Circuit Protection 28-pin TSSOP Package with Thermal Pad RoHS compliant and 100% lead(Pb)-free Halogen-Free APPLICATIONS Televisions Typical Application Circuit Figure1. Simplified Application Schematic |
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