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www.ti.com
FEATURES
APPLICATIONS
DESCRIPTION
0
35
5
10
15
20
25
30
0
30
10
20
PVDD – SupplyVoltage – V
P
–
OutputPower
–
W
O
SE,4
Sub
THD=10%
W
SLES196 – JUNE 2007
6-Channel, 100-W, Digital-Amplifier Power Stage
Furthermore, the TAS5176 can drive three-channels
in BTL mode, with the same high-performance but
Total Output Power at 10% THD+N
with a higher power level. In BTL mode, the
–
5
× 15 W at 8 + 1 × 25 W at 4
TAS5176 is capable of driving 8-
loads to greater
(Single-Ended)
than 30 Watts at 10% THD+N performance.
–
2 x 30 W at 8
(BTL)
A low-cost, high-fidelity audio system can be built
–
1 x 40 W at 6
(BTL)
using a TI chipset comprising a modulator (e.g.,
TAS5086) and the TAS5176. This device does not
105-dB SNR (A-Weighted), with TAS5086
require power-up sequencing because of the internal
Modulator
power-on reset.
< 0.05% THD+N at 1 W
The
TAS5176
requires
only
simple
passive
Power Stage Efficiency > 90% Into
demodulation
filters
on
its
outputs
to
deliver
Recommended Loads (SE)
high-quality, high-efficiency audio amplification. The
Integrated Self-Protection Circuits
efficiency of the TAS5176 is greater than 90% when
driving 8-
satellites and a 4- subwoofer speaker.
–
Undervoltage
–
Overtemperature
The TAS5176 has an innovative protection system
integrated on-chip, safeguarding the device against a
–
Overload
wide range of fault conditions that could damage the
–
Short Circuit
system.
These
safeguards
are
short-circuit
Integrated Active-Bias Control to Avoid DC
protection,
overload
protection,
undervoltage
Pop
protection, and overtemperature protection. The
TAS5176 has a new proprietary current-limiting
Footprint Compatible with the TAS5186A for
circuit that reduces the possibility of device shutdown
Scaleable Designs
during
high-level
music
transients.
A
new
Thermally Enhanced 44-pin HTSSOP Package
programmable overcurrent detector allows the use of
with PowerPad located on the bottom of the
lower-cost inductors in the demodulation output filter.
device
OUTPUT POWER
EMI-Compliant When Used With
vs
Recommended System Design
SUPPLY VOLTAGE
DVD Receiver
Home Theater in a Box
Televisions
The TAS5176 is a high-performance, six-channel,
digital-amplifier
power
stage
with
an
improved
protection system. The TAS5176 is capable of
driving a 8-
, single-ended load up to 15 W per each
front/satellite
channel
and
a
4-
, single-ended
subwoofer greater than 25 W at 10% THD+N
performance.
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas
Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
PowerPAD, PurePath Digital are trademarks of Texas Instruments.
All other trademarks are the property of their respective owners.
PRODUCTION DATA information is current as of publication date.
Copyright 2007, Texas Instruments Incorporated
Products conform to specifications per the terms of the Texas
Instruments standard warranty. Production processing does not
necessarily include testing of all parameters.