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PDF TDA2075T Data sheet ( Hoja de datos )
| Número de pieza | TDA2075T | |
| Descripción | Stereo Class-T Digital Audio Amplifier Driver | |
| Fabricantes | TriPath Technology | |
| Logotipo |  |
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( DataSheet : www.DataSheet4U.com )
Tripath Technology, Inc. - Technical Information
TDA2075A
STEREO CLASS-T DIGITAL AUDIO AMPLIFIER DRIVER USING
DIGITAL POWER PROCESSINGTM TECHNOLOGY
Preliminary Information
Revision 0.9 – October 2005
GENERAL DESCRIPTION
The TDA2075A is a two-channel, amplifier driver, that uses Tripath’s proprietary Digital Power Processing
(DPPTM) technology. The TDA2075A offers higher integration over previous Tripath amplifiers driver
chipsets while providing exceptional audio performance for real world applications. Class-T amplifiers
offer both the audio fidelity of Class-AB and the power efficiency of Class-D amplifiers.
The TDA2075A is typically configured as a split-supply, single-ended, stereo amplifier. The TDA2075A
can also be configured single-supply, single-ended, stereo amplifier, via external component choice. For
applications that require bridged output drive, please refer to the TDA1400.
Applications
Powered DVD Players
Mini-Compo Systems
Audio/Video Amplifiers & Receivers
Multimedia Speakers
Benefits
Reduced system cost with smaller/less
expensive power supply and heat sink
Signal fidelity equal to high quality
Class-AB amplifiers
High dynamic range compatible with digital
media such as CD and DVD
Features
Class-T architecture with proprietary DPP
“Audiophile” Sound Quality
Full Audio Bandwidth, 20Hz to 20kHz
High Efficiency
Supports wide range of output power levels
and output loads by changing supply voltage
and external Mosfets
Compatible with unregulated power supplies
Output over-current protection
Over- and under-voltage protection
Over-temperature protection
48-Pin LQFP Package
1
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TDA2075A – Rev. 0.9/KLi/10.05
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1 page  
TDA2075A Pinout
Tripath Technology, Inc. - Technical Information
48-pin LQFP
(Top V iew)
NC
VN N SEN SE
OVR LD B
VPPSEN SE
AGN D
AGN D
V5
V5
OAOU T 1
IN V1
MUTE
NC
36 35 34 33 32 31 30 29 28 27 26 25
37
38
39
40
41
42
43
44
45
46
47
48
1 2 3 4 5 6 7 8 9 10 11 12
24
23
22
21
20
19
18
17
16
15
14
13
PGN D
NC
HO2
NC
L02
NC
NC
LO1
NC
HO1
NC
PGN D
5 TDA2075A – Rev. 0.9/KLi/10.05
5 Page 
Typical Performance Characteristics
Efficiency and Power Dissipation versus
OutputPower
90
45
80
70
Ef f ic ienc y
60
40
35
30
50 25
40
Pow er Dissipation
30
20
15
20
VPP = |VNN| = 40V
10
10
RL = 4Ω
f= 1kHz
5
BW = 22Hz - 20kHz(AES17)
00
0 25 50 75 100 125 150 175 200 225
Output Pow er per channel
(W)
Tripath Technology, Inc. - Technical Information
Intermodulation Performance
+0 RL = 8Ω
19kHz, 20kHz, 1:1
-20 0dBr = 12Vrms
FFT size = 32k
-40 FFTSR = 65kHz
d
B
VPP = |VNN| = 40V
-60 BW = 22Hz - 80kHz
r
-80
A
-100
-120
-140
20
50 100 200
500 1k 2k
Hz
5k 10k
30k
100
90
80
70
60
50
40
30
20
10
0
0
Efficiency and Power Dissipation versus
OutputPower
20
18
Ef f ic ienc y
16
14
12
Pow er Dissipation
10
8
6
VPP = |VNN| = 40V
RL= 6Ω
f= 1kHz
BW = 22Hz - 20kHz(AES17)
4
2
25 50
0
75 100 125 150 175
Output Pow er per channel
(W)
Noise Floor
-70 VPP = |VNN| = 40V
FFT size = 32k
FFTSR = 48kHz
-80 BW = 22Hz-20kHz(AES17)
-90
d
B
V
-100
-110
-120
20
50 100 200
500 1k
Hz
2k
5k 10k 20k
100
90
80
70
60
50
40
30
20
10
0
0
Efficiency and Power Dissipation versus
OutputPower
20
18
Ef f iciency
16
14
12
10
Pow er Dissipation
8
6
VPP = |VNN| = 40V
RL = 8Ω
f= 1kHz
BW = 22Hz - 20kHz(AES17)
4
2
0
25 50 75 100
Output Pow er per channel
(W)
125
Channel Separation versus Frequency
+0
TTT
0dBr = 12Vrms
VPP = |VNN| = 40V
BW = 22Hz - 20kHz
-20
d -40
B
r
A -60
-80
-100
20
50 100 200
500 1k
Hz
2k
5k 10k 20k
11 T D A 2 0 7 5 A – R e v . 0 . 9 / K L i / 1 0 . 0 5
11 Page | ||
| Páginas | Total 24 Páginas | |
| PDF Descargar | [ Datasheet TDA2075T.PDF ] | |
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