PurePathDigital
0,1
1
10
ta
l
H
a
rm
o
n
ic
D
is
to
rt
io
n
-
%
4Ohm (6kHz)
4Ohm (1kHz)
TOTAL HARMONIC DISTORTION+NOISE
VS
OUTPUT POWER
TC = 75 C
CONFIG = BTL
0,001
0,01
0,1
1
10
0,01
1
100
T
H
D
+
N
-
T
o
ta
l
H
a
rm
o
n
ic
D
is
to
rt
io
n
-
%
P
O - Output Power - W
4Ohm (6kHz)
4Ohm (1kHz)
TOTAL HARMONIC DISTORTION+NOISE
VS
OUTPUT POWER
TC = 75 C
CONFIG = BTL
SLAS711A
– JUNE 2010 – REVISED MARCH 2011
150W STEREO / 300W MONO PurePath
HD ANALOG-INPUT POWER STAGE
1
FEATURES
Thermally Enhanced Package Option:
– PHD (64-pin QFP)
23
Active Enabled Integrated Feedback Provides:
(PurePath
HD)
APPLICATIONS
– Signal Bandwidth up to 80kHz for High
Home Theater Systems
Frequency Content From HD Sources
AV Receivers
– Ultra Low 0.03% THD at 1W into 4
DVD/ Blu-ray Disk
Receivers
– Flat THD at all Frequencies for Natural
Sound
Mini Combo Systems
– 80dB PSRR (BTL, No Input Signal)
Active Speakers and Subwoofers
– >100dB (A Weighted) SNR
DESCRIPTION
– Click and Pop Free Startup and Stop
The TAS5613A is a high-performance analog input
Pin compatible with TAS5630, TAS5615 and
Class
D
amplifier
with
integrated
closed
loop
TAS5611
feedback technology (known as PurePath
HD). It
Multiple Configurations Possible on the Same
has the ability to drive up to 150 W.(1) Stereo into 4
PCB:
speakers from a single 36V supply.
– Mono Parallel Bridge Tied Load (PBTL)
PurePath
HD
technology
enables
traditional
AB-Amplifier performance (
<0.03% THD) levels while
– Stereo Bridge Tied Load (BTL)
providing the power efficiency of traditional class D
– 2.1 Single Ended (SE) Stereo Pair and
amplifiers.
Bridge Tied Load Subwoofer
Unlike traditional Class-D amplifiers, the distortion
Total Output Power at 10%THD+N
curve only increases once the output levels move into
– 300W in Mono PBTL Configuration
clipping.
– 150W per Channel in Stereo BTL
PurePath
HD technology enables lower idle losses
Configuration
making the device even more efficient.
Total Output Power in BTL Configuration at
1%THD+N
– 160W Stereo into 3Ω
– 125W Stereo into 4Ω
– 85W Stereo into 6Ω
– 65W Stereo into 8Ω
>90% Efficient Power Stage With 60-m
Output MOSFETs
Self-Protection Design (Including
Undervoltage, Overtemperature, Clipping, and
Short Circuit Protection) With Error Reporting
EMI Compliant When Used With
Recommended System Design
(1)
Achievable output power levels are dependent on the thermal
configuration of the target application. A high performance
thermal interface material between the package exposed
heatslug and the heat sink should be used to achieve high
output power levels
1
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.
2
Blu-ray Disk is a trademark of Blu-ray Disc Association.
3
All other trademarks are the property of their respective owners.
PRODUCT PREVIEW information concerns products in the
Copyright
2010–2011, Texas Instruments Incorporated
formative or design phase of development. Characteristic data and
other specifications are design goals. Texas Instruments reserves
the right to change or discontinue these products without notice.