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
www.ti.com
SLAS711 – JUNE 2010
150W STEREO / 300W MONO PurePath HD ANALOG-INPUT POWER STAGE
1
FEATURES
Two Thermally Enhanced Package Options:
23
Active Enabled Integrated Feedback Provides:
–
PHD (64-pin QFP)
(PurePath HD)
–
DKD (44-pin PSOP3)
–
Signal Bandwidth up to 80kHz for High
Frequency Content From HD Sources
APPLICATIONS
Home Theater Systems
–
Ultra Low 0.03% THD at 1W into 4
AV Receivers
–
Flat THD at all Frequencies for Natural
DVD/ Blu-ray Disk Receivers
Sound
Mini Combo Systems
–
80dB PSRR (BTL, No Input Signal)
Active Speakers and Subwoofers
–
>100dB (A Weighted) SNR
–
Click and Pop Free Startup and Stop
DESCRIPTION
Pin compatible with TAS5630, TAS5615 and
The TAS5613A is a high-performance analog input
TAS5611
Class
D
amplifier
with
integrated
closed
loop
Multiple Configurations Possible on the Same
feedback technology (known as PurePath HD). It
PCB:
has the ability to drive up to 150 W.(1) Stereo into 4
–
Mono Parallel Bridge Tied Load (PBTL)
speakers from a single 36V supply.
–
Stereo Bridge Tied Load (BTL)
PurePath
HD
technology
enables
traditional
–
2.1 Single Ended (SE) Stereo Pair and
AB-Amplifier performance (<0.03% THD) levels while
providing the power efficiency of traditional class D
Bridge Tied Load Subwoofer
amplifiers.
Total Output Power at 10%THD+N
Unlike traditional Class-D amplifiers, the distortion
–
300W in Mono PBTL Configuration
curve only increases once the output levels move into
–
150W per Channel in Stereo BTL
clipping.
Configuration
PurePath HD technology enables lower idle losses
Total Output Power in BTL Configuration at
making the device even more efficient.
1%THD+N
–
160W Stereo into 3
Ω
–
125W Stereo into 4
Ω
–
85W Stereo into 6
Ω
–
65W Stereo into 8
Ω
>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.
UNLESS
OTHERWISE
NOTED
this
document
contains
Copyright 2010, Texas Instruments Incorporated
PRODUCTION DATA information current as of publication date.
Products conform to specifications per the terms of Texas
Instruments standard warranty. Production processing does not
necessarily include testing of all parameters.