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Eutech Microelectronics

EUA2310 Datasheet Preview

EUA2310 Datasheet

15-W Stereo Class-D Audio Power Amplifier

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EUA2310
15-W Stereo Class-D Audio Power
Amplifier with Speaker Protection
DESCRIPTION
The EUA2310 is a high efficiency, 2 channel bridged-tied
load (BTL), class-D audio power amplifier. Operating from
a 16V power supply, EUA2310 is capable of delivering
15W/ channel of continuous output power to a 8load
with 10% THD+N. The EUA2310 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
EUA2310 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 EUA2310 also features short-circuit and
thermal protection preventing the device from being
damaged during a fault condition. The EUA2310 is
available in thermally efficient 28-pin TSSOP package.
FEATURES
Wide Supply Voltage: 8V to 26V
Unique Modulation Scheme Reduces EMI Emission
15-W/ch into an 8-Load From a 16-V Supply
10-W/ch into an 8-Load From a 13-V Supply
30W into a 4-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
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
DS2310 Ver1.0 Feb. 2012
Figure1. Simplified Application Schematic
1




Eutech Microelectronics

EUA2310 Datasheet Preview

EUA2310 Datasheet

15-W Stereo Class-D Audio Power Amplifier

No Preview Available !

Pin Configurations
Package Type
Tel: 0755-8398 3377 / 135 9011 2223 http://www.gofotech.com
EUA2310
Pin Configurations
TSSOP-28 (EP)
Pin Description
PIN
SD
FAULT
LINP
LINN
GAIN0
GAIN1
AVCC
AGND
GVDD
PLIMIT
RINN
RINP
NC
PBTL
PVCCR
BSPR
OUTPR
PGND
OUTNR
BSNR
BSNL
TSSOP-28(EP) I/O/P
1I
2O
3I
4I
5I
6I
7P
8P
9O
10
11
12
13
14
15,16
17
18
19
20
21
22
I
I
I
P
I
P
I
O
O
I
I
DESCRIPTION
Shutdown logic input for audio amp (LOW = outputs Hi-Z, HIGH = outputs
enabled). TTL logic levels with compliance to AVCC.
Open drain output used to display short circuit or dc detect fault status.
Voltage compliant to AVCC.
Positive audio input for left channel.
Negative audio input for left channel.
Gain select least significant bit. TTL logic levels with compliance to AVCC.
Gain select most significant bit. TTL logic levels with compliance to AVCC.
Analog supply
Analog signal ground. Connect to the thermal pad.
High-side FET gate drive supply. Nominal voltage is 4.5V. Also should be
used as supply for PLIMIT function.
Power limit level adjust. Connect a resistor divider from GVDD to GND to
set power limit. Connect directly to GVDD for no power limit.
Negative audio input for right channel.
Positive audio input for right channel.
Not connected
Parallel BTL mode switch
Power supply for right channel H-bridge. Right channel and left channel
power supply inputs are connect internally.
Bootstrap I/O for right channel, positive high-side FET.
Class-D H-bridge positive output for right channel.
Power ground for the H-bridges.
Class-D H-bridge negative output for right channel.
Bootstrap I/O for right channel, negative high-side FET.
Bootstrap I/O for left channel, negative high-side FET.
DS2310 Ver1.0 Feb. 2012
2


Part Number EUA2310
Description 15-W Stereo Class-D Audio Power Amplifier
Maker Eutech Microelectronics
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EUA2310 Datasheet PDF






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