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Número de pieza | TA0105A | |
Descripción | Digital Audio Amplifier Driver using Digital Power Processing | |
Fabricantes | Tripath | |
Logotipo | ||
Hay una vista previa y un enlace de descarga de TA0105A (archivo pdf) en la parte inferior de esta página. Total 29 Páginas | ||
No Preview Available ! Tripath Technology, Inc. - Technical Information
TA 0 1 0 5 A
STEREO CLASS-T DIGITAL AUDIO AMPLIFIER DRIVER USING
DIGITAL POWER PROCESSING (DPPTM ) TECHNOLOGY
Technical Information
Revision 2.2 – May 2005
GENERAL DESCRIPTION
The TA0105A is a two-channel Amplifier Driver IC 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 typical application for the TA0105A is direct drive (no output transformer) in 70V and 100V
constant voltage amplifiers used for public address systems. The feedback and voltage range of
the TA0105A can be configured externally unlike previous Tripath modules such as TA0104A.
APPLICATIONS
Constant Voltage Amplifiers
Distribution Amplifiers
Pro-audio Amplifiers
BENEFITS
Reduced system cost with smaller/less
expensive power supply and heat sink
Signal fidelity equal to high quality Class-
AB amplifiers
No output transformer is needed due to
high supply voltage range
High dynamic range compatible with
digital media such as CD and DVD
FEATURES
Class-T architecture
Proprietary Digital Power Processing technology
High Supply Voltage Range
“Audiophile” Sound Quality
High Efficiencyhttp://www.DataSheet4U.com/
Supports wide range of output power levels
Output over-current protection
Over- and under-voltage protection
38-pin Quad package
1 TA0105A – RW/ Rev. 2.2/05.05
1 page TA0105A Pinout
Tripath Technology, Inc. - Technical Information
38
37 36
35
34
33 32
31 30 29 28
1 AGND
2 OVERLOADB
3 V5
4 MUTE
5 IN2
6 IN1
7 BBM0
8 BBM1
LO2
HO2COM
HO2
VNN
VPP
HO1
H01COM
LO1
27
26
25
24
23
22
21
20
9 10
11 12
13
14
15
16
17 18 19
http://www.DataSheet4U.com/
5 TA0105A – RW/ Rev. 2.2/05.05
5 Page Tripath Technology, Inc. - Technical Information
Typical Performance
THD+N vs Output Voltage
10
5
VPP = |VNN| = +/-148V
RL = 25Ω
AES 17 FILTER
2 RFBC = 39kΩ
1
0.5
%
0.2
0.1
f =7kHz
0.05
0.02
f =1kHz
0.01
1
2
5 10 20
V
50 100
200
THD+N vs Output Voltage
10
5
RL = 12.5Ω
f = 1kHz
AES 17 FILTER
2 RFBC = 26kΩ
1
Note: VPP = |VNN| = +/- 135V
uses RFBC = 30kΩ
0.5
%
0.2
VPP = |VNN| = +/-106V
VPP = |VNN|
= +/-135V
0.1
0.05
0.02
VPP = |VNN| = +/-120V
0.01
1
2
5 10 20
V
50 100 200
THD+N vs Output Power
10
5
RL = 12.5Ω
f = 1kHz
AES 17 FILTER
2 RFBC = 26kΩ
1
Note: VPP = |VNN| = +/-135V
uses RFBC = 30kΩ
0.5
%
0.2
VPP = |VNN| = +/-106V
0.1
VPP = |VNN|
= +/-135V
0.05
0.02
VPP = |VNN| = +/-120V
0.01
2 5 10 20 50 100 200 500 1k 2k
W
THD+N vs Output Voltage
10
VPP = |VNN| +/-148V
5 RL = 50Ω
AES 17 FILTER
2 RFBC = 39kΩ
1
0.5
%
0.2
0.1
f =7kHz
0.05
0.02
0.01
1
2
5 10 20
V
f =1kHz
50 100
200
THD+N vs Output Voltage
10
5
RL = 25Ω
f = 1kHz
AES 17 FILTER
2 RFBC = 39kΩ
1
VPP = |VNN|
= +/-175V
0.5
%
0.2
0.1
VPP = |VNN| = +/-125V
0.05
http://www.DataSheet4U.com/
0.02
VPP = |VNN| = +/-150V
0.01
1
2
5 10 20
V
50 100 200
THD+N vs Output Power
10
5
RL = 25Ω
f = 1kHz
AES 17 FILTER
2 RFBC = 39kΩ
1
VPP = |VNN|
= +/-175V
0.5
%
0.2
0.1
VPP = |VNN| = +/-125V
0.05
0.02
VPP = |VNN| = +/-150V
0.01
12
5 10 20 50 100 200 500 1k 2k
W
11 TA0105A – RW/ Rev. 2.2/05.05
11 Page |
Páginas | Total 29 Páginas | |
PDF Descargar | [ Datasheet TA0105A.PDF ] |
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TA0105A | Digital Audio Amplifier Driver using Digital Power Processing | Tripath |
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