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TA2022 Scheda tecnica(PDF) 4 Page - Tripath Technology Inc.

Il numero della parte TA2022
Spiegazioni elettronici  STEREO 90W (4?? CLASS-T??DIGITAL AUDIO AMPLIFIER DRIVER USING DIGITAL POWER PROCESSING (DPP?? TECHNOLOGY
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Produttore elettronici  TRIPATH [Tripath Technology Inc.]
Homepage  http://www.etelos.com/
Logo TRIPATH - Tripath Technology Inc.

TA2022 Scheda tecnica(HTML) 4 Page - Tripath Technology Inc.

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Tr i p ath Technol ogy, I n c. - Techni cal I n for m ati on
4
TA2022 – KLI/1.2/07-04
PERFORMANCE CHARACTERISTICS – SINGLE ENDED (Notes 6, 7)
TA = 25 °C. Unless otherwise noted, the supply voltage is VPP=|VNN|=31V, the input frequency
is 1kHz and the measurement bandwidth is 20kHz. See Application/Test Circuit on Page 8.
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
UNITS
POUT
Output Power
(Continuous Average/Channel)
(Note 13)
VPP = |VNN| = +/-31V, RL = 4Ω
THD+N = 0.1%
THD+N = 1.0%
THD+N = 10%
VPP = |VNN| = +/-35V, RL = 8Ω
THD+N = 0.1%
THD+N = 10%
80
90
100
125
60
88
W
W
W
W
W
THD + N
Total Harmonic Distortion Plus
Noise
POUT = 70W/Channel, RL = 4Ω
VPP = |VNN| = +/-31V
POUT = 45W/Channel, RL = 8Ω
VPP = |VNN| = +/-35V
0.015
0.015
%
%
IHF-IM
IHF Intermodulation Distortion
19kHz, 20kHz, 1:1 (IHF), RL = 4Ω
POUT = 25W/Channel
0.1
%
SNR
Signal-to-Noise Ratio
A-Weighted
0dB = 90W/Channel, RL = 4Ω
102
dB
CS
Channel Separation
0dB = 25W, RL = 4Ω
83
dB
AV
Amplifier Gain
POUT = 10W/Channel, RL = 4Ω,
See Application / Test Circuit
18.1
V/V
AVERROR
Channel to Channel Gain Error
POUT = 10W/Channel, RL = 4Ω
See Application / Test Circuit
0.5
dB
η
Power Efficiency
POUT = 88W/Channel, RL = 8Ω
POUT = 125W/Channel, RL = 4Ω
92
87
%
%
ISLOAD
Source Current
POUT = 125W/Channel, RL = 4Ω
VPP = +31V
VNN = -31V
V5 = 5V
4.59
4.61
45
A
A
mA
eNOUT
Output Noise Voltage
A-Weighted, input AC grounded
150
µV
PERFORMANCE CHARACTERISTICS – BRIDGED TIED LOAD (Notes 6, 7)
TA = 25 °C. Unless otherwise noted, the supply voltage is VPP=|VNN|=30V, the input frequency
is 1kHz and the measurement bandwidth is 20kHz.
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
UNITS
POUT
Output Power
(Continuous Average)
(Note 13)
VPP = |VNN| = +/-30V, RL = 8Ω
THD+N = 0.1%
THD+N = 10%
150
235
W
W
THD + N
Total Harmonic Distortion Plus
Noise
POUT = 100W, RL = 8Ω
0.05
%
IHF-IM
IHF Intermodulation Distortion
19kHz, 20kHz, 1:1 (IHF), RL = 8Ω
POUT = 25W
0.10
%
η
Power Efficiency
POUT = 225W, RL = 8Ω
87
%
SNR
Signal-to-Noise Ratio
A-Weighted, RL = 8Ω
0dB = 150W
104
dB
eNOUT
Output Noise Voltage
A-Weighted, input AC grounded
220
µV
Note 6:
Minimum and maximum limits are guaranteed but may not be 100% tested.
Note 7:
For operation in ambient temperatures greater than 25
°C, the device must be derated
based on the maximum junction temperature and the thermal resistance determined
by the mounting technique.


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