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FEATURES
APPLICATIONS
DESCRIPTION
PVDD Supply Voltage V
0
5
10
15
20
25
30
0
5
10
15
20
P
O
Output
Power
W
8
TC = 75°C
THD+N @ 10%
6
G002
SLES190 – DECEMBER 2006
STEREO DIGITAL AMPLIFIER POWER STAGE
A low-cost, high-fidelity audio system can be built
using a TI chipset, comprising a modulator (e.g.,
2×20 W at 10% THD+N Into 8- BTL
TAS5086) and the TAS5132. This system only
2×25 W at 10% THD+N Into 6- BTL
requires a simple passive LC demodulation filter to
deliver
high-quality,
high-efficiency
audio
>100-dB SNR (A-Weighted)
amplification with proven EMI compliance. This
<0.1% THD+N at 1 W
device requires two power supplies, at 12 V for
Thermally Enhanced Package:
GVDD and VDD, and at 18 V for PVDD. The
–
DDV (44-pin HTSSOP)
TAS5132 does not require power-up sequencing due
to internal power-on reset. The efficiency of this
High-Efficiency Power Stage (>90%) With
digital amplifier is greater than 90% into 8
, which
140-m
Output MOSFETs
enables the use of smaller power supplies and
Power-On Reset for Protection on Power Up
heatsinks.
Without Any Power-Supply Sequencing
The TAS5132 has an innovative protection system
Integrated Self-Protection Circuits Including
integrated on chip, safeguarding the device against a
Undervoltage, Overtemperature, Overload,
wide range of fault conditions that could damage the
Short Circuit
system.
These
safeguards
are
short-circuit
PWM Activity Detector to detect stopped PWM
protection,
overcurrent
protection,
undervoltage
protection, and overtemperature protection. The
inputs and protect the system
TAS5132 has a new proprietary current-limiting
Error Reporting
circuit that reduces the possibility of device shutdown
EMI Compliant When Used With
during high-level music transients.
Recommended System Design
BTL OUTPUT POWER vs SUPPLY VOLTAGE
Intelligent Gate Drive
Pin Compatible With the TAS5142DDV
Televisions
Mini/Micro Audio Systems
DVD Receivers
Home Theaters
The TAS5132 is an integrated stereo digital amplifier
power stage with an advanced protection system.
The TAS5132 is capable of driving a 6-
bridge-tied
load (BTL) at up to 25 W per channel with low
integrated
noise
at
the
output,
low
THD+N
performance, and low idle power dissipation.
PurePath Digital
These devices have limited built-in ESD protection. The leads should be shorted together or the device placed in conductive foam
during storage or handling to prevent electrostatic damage to the MOS gates.
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.
PurePath Digital, PowerPAD 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 2006, 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.