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ATA-120 Datasheet, PDF (1/13 Pages) List of Unclassifed Manufacturers – 20W Class D Single Channel Audio Amplifier | |||
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ATA-120
20W Class D Single Channel Audio Amplifier
FEATURES
⢠HIGH OUTPUT POWER CAPABILITY
⢠SINGLE SUPPLY (+7.5V to +24V)
⢠THD+N < 0.05% @ 1W, 8â¦
⢠HIGH EFFICIENCY, > 90% @ 4â¦, 20W
⢠LOW QUIESCENT CURRENT, 13mA
⢠LOW NOISE (190µV typ.)
⢠POP ELIMINATION AT STARTUP AND
SHUTDOWN
⢠BUILT-IN THERMAL PROTECTION
⢠INTEGRATED SHORT CIRCUIT PROTECTION
⢠180m⦠MOSFET SWITCHES
⢠MUTE / STANDBY MODE
⢠SMALL SMD PACKAGE IS
BOTH LEAD-FREE (Pb) AND GREEN
APPLICATIONS
⢠TELEVISIONS
⢠HOME AUDIO MINI-SYSTEMS
⢠FLAT PANEL MONITORS
⢠MULTIMEDIA SPEAKERS
⢠SURROUND SOUND DVD SYSTEMS
1.0 GENERAL DESCRIPTION
The ATA-120 Class-D Audio Amplifier is a fully
integrated monolithic audio amplifier that can
provide audio power up to 20 watts @ 10% THD into
a 4⦠speaker.
The ATA-120 incorporates a single ended output
structure with built-in short circuit and
overtemperature protection. This low noise, high
performance device delivers the excellent audio
quality of a class A/B amplifier while still achieving
class-D efficiency greater than 90%.
ORDERING INFORMATION:
Part Number * Package Temperature
ATA-120
SOIC8
-40°C to + 85°C
EB-120
Evaluation Board for the ATA-120
IN_P
-
IN_N
+
ENABLE
AGND
REGULATOR,
CONTROL &
PROTECTION
FET
DRIVE
FET
DRIVE
Figure 1 - Block Diagram
BOOST
VDD
POUT
PGND
This is preliminary information on a new product. Specifications are subject to change without notice.
129 Morgan Drive, Norwood, MA 02062 voice: (781) 551-9450 fax: (781) 440-9528 email: apogee@apogeeddx.com
CONTROLLED DOCUMENT: P_903-000009_Rev14 ATA-120 Data Sheet.doc
DRN: PRELIMINARY Page 1 of 13
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