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TA0103A Ver la hoja de datos (PDF) - Unspecified

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TA0103A Stereo 250W (4?) Class-T Digital Audio Amplifier Driver using Digital Power Processing (DPP?) Technology Unspecified2
Unspecified 
TA0103A Datasheet PDF : 18 Pages
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Tripath Technology, Inc. - Technical Information
Performance Characteristics – Single Ended, Vs = +54V
Unless otherwise specified, f = 1kHz, Measurement Bandwidth = 22kHz. TA = 25°C.
See Notes 1 & 2 for Operating Conditions and Test/Application Circuit Setup.
SYM BOL
PARAM ETER
POUT
Output Pow er
(Continuous Average/Channel)
THD + N
IHF-IM
Total Harmonic Distortion Plus
Noise
IHF Intermodulation Distortion
SNR
CS
PSRR
η
eNOUT
Signal-to-Noise Ratio
Channel Separation
Pow er Supply Rejection Ratio
Pow er Efficiency
Output Noise Voltage
CONDITIONS
THD+N = 0.1%, RL = 8
RL = 4
THD+N = 1%, RL = 8
RL = 4
POUT = 55W/Channel, RL = 8
M IN.
19kHz, 20kHz, 1:1 (IHF), RL = 4
POUT = 36W/Channel
A Weighted, RL = 8, POUT=140W/Ch
0dBr = 60W, RL = 4, f = 1kHz
Input Referenced, 30kHz Bandw idth
POUT = 200W/Channel, RL = 8
A Weighted, no signal, input shorted,
DC of f set nulled to zero, BBM =
145nS
TYP.
140
250
150
300
0.04
0.02
101
82
67
92
295
M AX.
UNITS
W
W
W
W
%
%
dB
dB
dB
%
µV
Performance Characteristics – Single Ended, Vs = +45V
Unless otherwise specified, f = 1kHz, Measurement Bandwidth = 22kHz. TA = 25°C.
See Notes 1 & 2 for Operating Conditions and Test/Application Circuit Setup.
SYM BOL
PARAM ETER
POUT
Output Pow er
(Continuous Average/Channel)
THD + N
IHF-IM
Total Harmonic Distortion Plus
Noise
IHF Intermodulation Distortion
SNR
CS
PSRR
η
eNOUT
Signal-to-Noise Ratio
Channel Separation
Pow er Supply Rejection Ratio
Pow er Efficiency
Output Noise Voltage
CONDITIONS
THD+N = 0.1%, RL = 8
RL = 4
THD+N = 1%, RL = 8
RL = 4
POUT = 55W/Channel, RL = 8
M IN.
19kHz, 20kHz, 1:1 (IHF), RL = 4
POUT = 36W/Channel
A Weighted, RL = 8, POUT = 85W/Ch
0dBr = 60W, RL = 4, f = 1kHz
Input Referenced, 30kHz Bandw idth
POUT = 155W/Channel, RL = 8
A Weighted, no signal, input shorted,
DC of f set nulled to zero, BBM = 145nS
TYP.
85
150
100
200
0.04
0.03
100
82
67
92
250
M AX.
UNITS
W
W
W
W
%
%
dB
dB
dB
%
µV
Minimum and maximum limits are guaranteed but may not be 100% tested.
Notes:
1) V5 = +5V, VN12 = +12V referenced to VSNEG
2) Test/Application Circuit Values:
D = MUR120T3 diodes, RIN = 22.1K
RD = 33, RS = 0.025,RG = 10
ROCR1 = ROCR2 = 0, LF = 18uH (Amidon core T200-2)
CF = 0.22uF, CD = 0.1uF, CIN = 1uF, CBY = 0.1uF
Power Output MOSFETs, M = ST STW38NB20
BBMO=0, BBM1=1
3
TA0103 – Rev 3.3/06.00
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