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TAS5121I-TAS5121IDKD
Digital Amplifier Power Stage
www.ti.com
DIGITAL AMPLIFIER POWER STAGE
FEATURES
DESCRIPTION
APPLICATIONS
− Output Power − W
6 Ω
RL = 4 Ω
TC = 75°C
Gain = 3 dB
otal Harmonic Distortion + Noise − %
0.1 4 Ω
6 Ω
TAS5121ISLES122–SEPTEMBER 2004
Mini/Micro Component Systems Internet Music Appliance•
100-W RMS Power (BTL) Into4Ω
With Less
Than 10% THD+N 80-W RMS Power (BTL) Into4Ω
With Less
Than 0.2% THD+N The TAS5121Iisa high-performance, digital-amplifier
power stage designedto drivea 4-Ω speaker upto•
0.09% THD+Nat1W Into4Ω 100 W. The TAS5121Iis rated for operation at•
Power Stage Efficiency Greater Than 90% Into industrial temperatures. The device incorporates
4-Ω Load PurePath Digital™ technology and can be used with•
Self-Protecting Design aTI audio pulse-width modulation (PWM) processor
anda simple passive demodulation filterto deliver•
Industrial Temperature Rating high-quality, high-efficiency, digital-audio amplifi-•
36-Pin PSOP3 Package cation.•
3.3-V Digital Interface The efficiencyof this digital amplifier can be greater•
EMI Compliant When Used With than 90%, depending on the system design.
Recommended System Design Overcurrent protection, overtemperature protection,
and undervoltage protection are built into the
TAS5121I, safeguarding the device and speakers
against fault conditions that could damage the sys-•
DVD Receiver tem.•
Home Theatre
TOTAL HARMONIC NOISE UNCLIPPED OUTPUT vs H-BRIDGE VOLTAGE
