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RB-TA3020-2 반도체 회로 부품 판매점

(RB-TA3020-1/-2) CLASS-T DIGITAL AUDIO AMPLIFIER REFERENCE BOARD



Tripath Technology 로고
Tripath Technology
RB-TA3020-2 데이터시트, 핀배열, 회로
www.DataSheet4U.com
Tripath Technology, Inc. - Technical Information
RB-TA3020-1 RB-TA3020-2
CLASS-T DIGITAL AUDIO AMPLIFIER REFERENCE BOARD
USING DIGITAL POWER PROCESSING (DPPTM) TECHNOLOGY
Technical Information
Revision 3.0- March 2002
GENERAL DESCRIPTION
The RB-TA3020 reference board is based on the TA3020 digital audio power
amplifier driver from Tripath Technology. This board is designed to provide a
simple and straightforward environment for the evaluation of the Tripath stereo
TA3020 amplifier. This board can also be used in a bridged configuration for high
power mono output.
Note: There are two versions of the RB-TA3020, depending on nominal supply
voltage.
RB-TA3020-1 – Nominal supply voltage +/-21V to +/-39V
RB-TA3020-2 – Nominal supply voltage +/-35V to +/-60V
Features
RB-TA3020-1: 2 x 70W continuous
output power @ 0.1% THD+N, 4, +28V
RB-TA3020-1: 250W continuous output
power @ 0.1% THD+N, bridged 4, +28V
RB-TA3020-2: 2 x 175W continuous
output power @ 0.1% THD+N, 4, +45V
RB-TA3020-2: 525W continuous output
power @ 0.1% THD+N, bridged 4, +45V
Outputs short circuit protected
Benefits
Uses only N-channel power MOSFETs
Ready to use in many applications:
2 channel stereo systems
Powered 2.1 speaker systems
Powered Subwoofers
Note: RB-TA3020-2 shown
1
RB-TA3020, Rev. 3.0/03.02


RB-TA3020-2 데이터시트, 핀배열, 회로
Tripath Technology, Inc. - Technical Information
OPERATING INSTRUCTIONS
Power Supply Description
There are four external power supplies required to operate this board: VPP, VNN, VN10, and V5 (see
Figures 1 and 2). VPP and VNN power the load and so must each be able to provide half of the desired
output power, plus about 20% for overhead and margin. The TA3020 amplifier also requires a supply,
VN10, that is 10V more positive than VNN and tracks VNN. All output and power supply connections are
made using tinned wire (not shown).
Though not required, the following powering-up sequence is usually adhered to during bench evaluations:
1st) V5 and VN10, 2nd) VNN and 3rd) VPP (refer to the Turn-on/off Pop section). Please refer to the Turn-
on/off Pop section.
The positive and negative supply voltages do not have to match or track each other, but distortion or
clipping levels will be determined by the lowest (absolute) supply voltage. Figure 1 shows the proper
supply configuration for the RB-TA3020.
VPP (yellow)
V5 (red)
VS
5V
PGND (blue)
VS
10V
AGND (black)
VN10 (green)
VNN (orange)
Figure 1
Note: To avoid signal degradation, the Analog Ground and Power Ground should be kept separate at
the power supply. They are connected locally on the RB-TA3020.
Connector
J5 (Yellow)
J5 (Blue)
J5 (Orange)
J5 (Green)
J1 (Red)
J1 (Black)
Power Supply
VPP
PGND
VNN
VN10
V5
AGND
Table 1
2 RB-TA3020, Rev. 3.0/03.02




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RB-TA3020-2 amplifier

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관련 데이터시트


RB-TA3020-1

(RB-TA3020-1/-2) CLASS-T DIGITAL AUDIO AMPLIFIER REFERENCE BOARD - Tripath Technology



RB-TA3020-2

(RB-TA3020-1/-2) CLASS-T DIGITAL AUDIO AMPLIFIER REFERENCE BOARD - Tripath Technology