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PDF TA2041A Data sheet ( Hoja de datos )
| Número de pieza | TA2041A | |
| Descripción | FOUR CHANNEL CLASS-T DIGITAL AUDIO AMPLIFIER USING DIGITAL POWER PROCESSING | |
| Fabricantes | Tripath Technology | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de TA2041A (archivo pdf) en la parte inferior de esta página. Total 19 Páginas | ||
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Tripath Technology, Inc. - Technical Information
TA 2 0 4 1 A
FOUR CHANNEL CLASS-T DIGITAL AUDIO AMPLIFIER USING
DIGITAL POWER PROCESSING (DPPTM ) TECHNOLOGY
Technical Information
Revision 5.4 – April 2005
GENERAL DESCRIPTION
The TA2041A is a four-channel Audio Amplifier that uses Tripath’s proprietary Digital Power
Processing (DPPTM) technology. Class-T amplifiers offer both the audio fidelity of Class-AB and the
power efficiency of Class-D amplifiers. The TA2041A has been designed specifically for automotive
head unit applications and is configured with four bridged outputs operating on a single 10-21V
supply.
APPLICATIONS
Automotive Head Units
DVD Receivers
Multimedia Speaker Systems
BENEFITS
4-channel (280W) solution – with integrated
FETs - in a single 32-pin SSIP package
High fidelity, high efficiency Class-T
Low external component count
Single-supply operation
FEATURES
Class-T architecture
Four H-Bridge outputs
“Audiophile” Sound Quality
High Efficiency
High Power @20.0V
70Wsat. sq. wave @ 4Ω
50W @ 4Ω, 10% THD+N
“Audiophile” Quality Sound
0.04% THD+N @ 27W 4Ω
0.02% IHF-IM @ 5W 4Ω
High Efficiency
86% @ 70W 4Ω
AM “Low EMI” mode
Pop-Free startup and shutdown
High Dynamic Range
Mute and Stand-By function
Automatic DC Offset Trim
Clip Detection Output
Protection Modes:
Output Short to VPP and Ground
Output Short across Load
Load Dump Protection
Over-/Under-Voltage Protection
Over-current Protection
Over-temperature Protection
Fortuitous Open Ground
1 TA2041A – KL/ Rev. 5.4/04.05
1 page  
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TA2041A Pinout
Tripath Technology, Inc. - Technical Information
32-pin SSIP Package
(Top View)
Note: The heat slug of the TA2041A is connected to PGND.
5 TA2041A – KL/ Rev. 5.4/04.05
5 Page 
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Tripath Technology, Inc. - Technical Information
Typical Performance (continued)
-70
-75
-80
-85
-90
d
B -95
V
-100
-105
-110
-115
V PP = 14.4V
RL = 4Ω
32k FFT
F S = 65kHz
BW = 22Hz - 20kHz(AES17)
-120
20
50 100 200
N oise Floor
500
Hz
1k
2k
5k 10k 20k
TH D+N versus Output Power
100
RL = 8Ω
50 f = 1K hz
B W = 22Hz - 20kHz(A ES 17)
20
10
5
2
%1
0.5
0.2
0.1
0.05
0.02
0.01
2
VPP = 14.4V
5 10
W
VPP = 20.0V
20
50
100
+0
V PP = 14.4V
-10 RL = 4Ω
PO = 1W
-20 B W = 22Hz - 20kHz(A ES 17)
-30
Channel Separation
d -40
B
r -50
A -60
-70
-80
-90
-100
20
50 100 200
500
Hz
1k
2k
5k 10k 20k
Typical Performance AM Mode
100
AM Mode
50 RL = 4Ω
f = 1Khz
20 B W = 22Hz - 20kHz(AES 17)
10
5
2
%1
0.5
0.2
0.1
0.05
0.02
0.01
1
2
THD+N versus Output Power
VPP = 14.4V
VPP = 16.0V
5 10 20
W
50
100
Output Power versus Supply Voltage
80
RL = 4Ω
70
f= 1kHz
BW= 22Hz - 20kHz(AES17)
60
THD+N = SSW
50
40 THD+N = 10%
30 THD+N = 1%
20
10
0
10 11 12 13 14 15 16 17 18 19 20
Supply Voltage (V)
100
90
80
70
60
50
40
30
20
10
0
0
E fficiency and P ower D issipation versus
Total output Power
50
Power Dissipation
40
30
E fficienc y
20
VPP = 1 4 .4 V
RL = 4Ω
f= 1kH z
BW = 2 2H z - 20kH z(AES17)
10
0
10 20 30 40 50 60 70 80 90
Total Output P ower (W )
11 TA2041A – KL/ Rev. 5.4/04.05
11 Page | ||
| Páginas | Total 19 Páginas | |
| PDF Descargar | [ Datasheet TA2041A.PDF ] | |
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