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Eutech Microelectronics

EUA2107 Datasheet Preview

EUA2107 Datasheet

6.5-W Mono Class-D Audio Power Amplifier

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EUA2107
6.5-W Mono Class-D
Audio Power Amplifier
DESCRIPTION
The EUA2107 is a high efficiency, mono bridged-tied load
(BTL), class-D audio power amplifier. Operating from a
12V power supply, EUA2107 is capable of delivering
6.5W of continuous output power to a 8load with 10%
THD+N. The EUA2107 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 12, 18, 23.6 or
35.5dB utilizing the Go and G1 gain select pins.
The EUA2107 also features short-circuit and thermal
protection preventing the device from being damaged
during a fault condition. The EUA2107 is available in
thermally efficient 24-pin TSSOP package and does not
require an external heat sink.
Typical Application Circuit
FEATURES
z Wide Supply Voltage: 8V to 24V
z Unique Modulation Scheme Reduces EMI Emission
z 6.5W into 8Load From 12V Supply (10% THD+N)
z Short circuit Protection (Save two Schottky Diodes.)
z Low Supply Current….8mA Typ at 12V
z Shutdown Current…...1µA Typ
z 24-pin TSSOP Package with Thermal Pad
z RoHS compliant and 100% lead(Pb)-free
APPLICATIONS
z 2.1 Notebook PCs
z LCD Monitors/TVs
z PC Surround Speakers
z Hands-Free Car Kits
DS2107 Ver 1.0 June 2009
Figure1.
1




Eutech Microelectronics

EUA2107 Datasheet Preview

EUA2107 Datasheet

6.5-W Mono Class-D Audio Power Amplifier

No Preview Available !

Pin Configurations
Package Type
Tel: 0755-8398 3377 / 135 9011 2223 http://www.gofotech.com
EUA2107
Pin Configurations
TSSOP-24
Pin Description
PIN TSSOP-24 I/O
DESCRIPTION
INN 1 I Negative differential input
INP 2 I Positive differential input
GAIN0
3 I Bit 0 of gain control (see Table 1 for gain settings)
GAIN1
4 I Bit 1 of gain control (see Table 1 for gain settings)
SHUTDOWN
PGND
VCLAMP
5
6,12,13
7
BSN
PVCC
OUTN
8
9,16
10,11
OUTP
14,15
BSP
AGND
ROSC
17
18,19
20
I Shutdown terminal (active low), TTL compatible, 21V compliant
Power ground
O
Connect 1µF capacitor to ground to provide reference voltage for H-bridge
gates
I
Bootstrap terminal for high-side gate drive of negative BTL output (connect a
0.22µF capacitor with a 51resistor in series from OUTN to BSN)
I High-voltage power supply (for output stages)
O
Negative BTL output, connect Schottky diode from PGND to OUTN for
short-circuit protection
O
Positive BTL output, connect Schottky diode from PGND to OUTP for
short-circuit protection
I
Bootstrap terminal for high-side gate drive of positive BTL output (connect a
0.22µF capacitor with a 51resistor in series from OUTP to BSP)
I Analog ground terminal
I Connect 120 resistor to ground to set oscillation frequency
VDD
21 I 4V internal regulator (connect a 220pF capacitor to ground)
BYPASS
VREF
VCC
22 I Connect 1µF capacitor to ground for BYPASS voltage filtering
23
O
4V internal regulator for control circuitry (connect a 0. µF to 1µF capacitor to
ground)
24 I Analog high-voltage power supply
DS2107 Ver 1.0 June 2009
2


Part Number EUA2107
Description 6.5-W Mono Class-D Audio Power Amplifier
Maker Eutech Microelectronics
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EUA2107 Datasheet PDF






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