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TPA3250D2DDW Folha de dados(PDF) 9 Page - Texas Instruments

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Nome de Peças TPA3250D2DDW
Descrição Electrónicos  130W peak PurePath Ultra-HD Pad Down Class-D Amplifier
Download  41 Pages
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Fabricante Electrônico  TI1 [Texas Instruments]
Página de início  http://www.ti.com
Logo TI1 - Texas Instruments

TPA3250D2DDW Folha de dados(HTML) 9 Page - Texas Instruments

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TPA3250
www.ti.com
SLASE99A – DECEMBER 2015 – REVISED APRIL 2016
Product Folder Links: TPA3250
Submit Documentation Feedback
Copyright © 2015–2016, Texas Instruments Incorporated
(1)
SNR is calculated relative to 1% THD+N output level.
(2)
Actual system idle losses are affected by core losses of output inductors.
7.7 Audio Characteristics (SE)
PCB and system configuration are in accordance with recommended guidelines. Audio frequency = 1 kHz, PVDD_X = 32 V,
GVDD_X = 12 V, RL = 4 Ω, fS = 450 kHz, ROC = 22 kΩ, TA = 25°C, Output Filter: LDEM = 15 μH, CDEM = 1 µF, MODE = 11,
AES17 + AUX-0025 measurement filters, unless otherwise noted.
PARAMETER
TEST CONDITIONS
MIN
TYP MAX
UNIT
PO
Power output per channel
RL = 4 Ω, 10% THD+N
33
W
RL = 3 Ω, 10% THD+N
42
RL = 4 Ω, 1% THD+N
27
RL = 3 Ω, 1% THD+N
34
THD+N
Total harmonic distortion + noise
1 W
0.015%
Vn
Output integrated noise
A-weighted, AES17 filter, Input Capacitor
Grounded
111
μV
SNR
Signal to noise ratio(1)
A-weighted
100
dB
DNR
Dynamic range
A-weighted
100
dB
Pidle
Power dissipation due to idle losses (IPVDD_X)
PO = 0, 4 channels switching
(2)
0.5
W
(1)
SNR is calculated relative to 1% THD+N output level.
(2)
Actual system idle losses are affected by core losses of output inductors.
7.8 Audio Characteristics (PBTL)
PCB and system configuration are in accordance with recommended guidelines. Audio frequency = 1 kHz, PVDD_X = 32 V,
GVDD_X = 12 V, RL = 4 Ω, fS = 450 kHz, ROC = 22 kΩ, TA = 25°C, Output Filter: LDEM = 10 μH, CDEM = 1 µF, MODE = 10,
AES17 + AUX-0025 measurement filters, unless otherwise noted.
PARAMETER
TEST CONDITIONS
MIN
TYP MAX
UNIT
PO
Power output per channel
RL = 8 Ω, 10% THD+N
75
W
RL = 4 Ω, 10% THD+N
145
RL = 3 Ω, 10% THD+N
189
RL = 8 Ω, 1% THD+N
60
RL = 4 Ω, 1% THD+N
115
RL = 3 Ω, 1% THD+N
150
THD+N
Total harmonic distortion + noise
1 W
0.015%
Vn
Output integrated noise
A-weighted, AES17 filter, Input Capacitor
Grounded
62
μV
SNR
Signal to noise ratio(1)
A-weighted
112
dB
DNR
Dynamic range
A-weighted
107
dB
Pidle
Power dissipation due to idle losses (IPVDD_X)
PO = 0, 4 channels switching
(2)
0.6
W


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