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PDF TDA1400 Data sheet ( Hoja de datos )
| Número de pieza | TDA1400 | |
| Descripción | MONO CLASS-T DIGITAL AUDIO AMPLIFIER DRIVER | |
| Fabricantes | Tripath Technology | |
| Logotipo |  |
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Tripath Technology, Inc. - Preliminary Information
TDA1400
MONO CLASS-T DIGITAL AUDIO AMPLIFIER DRIVER USING
DIGITAL POWER PROCESSINGTM TECHNOLOGY
Preliminary Information
Revision 0.65 – February 2006
GENERAL DESCRIPTION
The TDA1400 is a one-channel, Amplifier Driver that uses Tripath’s proprietary Digital Power Processing
(DPPTM) technology. The TDA1400 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 TDA1400 is typically configured as a single supply, bridged output. This makes the power supply
requirements simpler and maximizes the output power for a given voltage rail. Additionally, the TDA1400
can be configured as a split supply, bridged amplifier, with the addition of some external components. The
TDA1400 is capable of full range operation but the target application is subwoofers due to the high output
power capability and single channel operation.
Applications
Home theater Subwoofers
Car Audio Subwoofers
Professional Active Speakers
High Power consumer full-range amplifier
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
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1
TDA1400 – Rev. 0.65/KLi/02.06
1 page  
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TDA1400 Pinout
Tripath Technology, Inc. - Preliminary Information
48-pin LQFP
(Top View)
NC
VNNSENSE
NC
VPPSENSE
AGND
AGND
V5
V5
OAOUT_AMP
INV_AMP
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
PGND
NC
HO_POS
NC
LO_POS
NC
NC
LO_NEG
NC
HO_NEG
NC
PGND
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TDA1400 – Rev. 0.65/KLi/02.06
5 Page 
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Tripath Technology, Inc. - Preliminary Information
Typical Performance Characteristics – Single Supply
10
5
RL = 4Ω
VPP = 60V
2 AES 17 FILTER
1
0.5
THD+N vs Output Power
0.2
% 0.1
0.05
f = 1kHz
0.02
0.01
0.005
f = 100Hz
0.002
0.001
1
2
5 10 20
50 100 200
W
f = 20Hz
600
10
5
RL = 4Ω
f = 100Hz
AES 17 FILTER
2
1
0.5
THD+N vs Output Power
0.2
% 0.1
0.05
VPP = 50V
VPP = 60V
0.02
0.01
0.005
VPP = 55V
0.002
0.001
1
2
5 10 20
50 100 200
W
600
10
5 RL = 6Ω
VPP = 60V
2 AES 17 FILTER
1
0.5
THD+N vs Output Power
0.2
% 0.1
0.05
f = 1kHz
0.02
0.01
0.005
f = 100Hz
0.002
0.001
1
2
5 10 20
50 100
W
f = 20Hz
200 600
10
5
RL = 8Ω
VPP = 60V
2 AES 17 FILTER
1
0.5
THD+N vs Output Power
0.2
% 0.1
0.05
f = 1kHz
0.02
0.01
0.005
f = 100Hz
0.002
0.001
1
2
5 10 20
50 100
W
f = 20Hz
200 600
10
5
RL = 6Ω
f = 100Hz
2 AES17 FILTER
1
0.5
0.2
% 0.1
0.05
THD+Nvs Output Power
VPP = 50V
VPP = 60V
0.02
0.01
0.005
0.002
0.001
1
2
VPP = 55V
5 10 20
50 100 200
W
600
10
5
RL = 8Ω
f =100Hz
2 AES17 FILTER
1
0.5
THD+Nvs Output Power
VPP= 60V
0.2
% 0.1
0.05
VPP= 50V
0.02
0.01
0.005
0.002
0.001
1
2
VPP= 55V
5 10 20
50 100 200
W
600
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11 T D A 1 4 0 0 – R e v . 0 . 6 5 / K L i / 0 2 . 0 6
11 Page | ||
| Páginas | Total 25 Páginas | |
| PDF Descargar | [ Datasheet TDA1400.PDF ] | |
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