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HSW-EUA2318 Ver0 15-W Stereo Class-D Audio Power
EUA2318XIR1
DESCRIPTION
The EUA2318 is a high efficiency, 2 channel bridged-tied
load (BTL), class-D audio power amplifier. Operating from
a 16V power supply, EUA2318 is capable of delivering
15W/ channel of continuous output power to a 8Ω load
with 10% THD+N. The EUA2318 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
EUA2318 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 EUA2318 also features short-circuit and
thermal protection preventing the device from being
damaged during a fault condition. The EUA2318 is
available in thermally efficient 28-pin TSSOP package.
FEATURES
Wide Supply Voltage: 5V to 26V
Unique Modulation Scheme Reduces EMI Emission
Peak Power 20-W/ch into an 8-Ω Load From a 18-V
Supply
15-W/ch into an 8-Ω Load From a 16-V Supply
10-W/ch into an 8-Ω Load From a 13-V Supply
30W into a 4-Ω Mono Load From a 16-V Supply
87% Efficient Class-D Operation Eliminates
Need for Heat Sinks
Four Selectable, Gain Settings
Differential Inputs
Speaker Protection Circuitry
Auto Gain Control
AM Avoidance
Thermal and Short-Circuit Protection
28-pin TSSOP Package with Thermal Pad
RoHS compliant and 100% lead(Pb)-free
Halogen-Free
APPLICATIONS
Televisions
Mini Speaker
Consumer Audio Equipment
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