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TPA3250D2DDWR Datenblatt(PDF) 9 Page - Texas Instruments

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Teilenummer TPA3250D2DDWR
Bauteilbeschribung  70-W Stereo, 130-W peak PurePath Ultra-HD Pad Down Class-D Amplifier
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Hersteller  TI1 [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI1 - Texas Instruments

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TPA3250D2
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SLASE99 – DECEMBER 2015
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
RL = 4 Ω, 10% THD+N
33
RL = 3 Ω, 10% THD+N
42
PO
Power output per channel
W
RL = 4 Ω, 1% THD+N
27
RL = 3 Ω, 1% THD+N
34
THD+N
Total harmonic distortion + noise
1 W
0.015%
A-weighted, AES17 filter, Input Capacitor
Vn
Output integrated noise
111
μV
Grounded
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
RL = 8 Ω, 10% THD+N
75
RL = 4 Ω, 10% THD+N
145
RL = 3 Ω, 10% THD+N
189
PO
Power output per channel
W
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%
A-weighted, AES17 filter, Input Capacitor
Vn
Output integrated noise
62
μV
Grounded
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
(1)
SNR is calculated relative to 1% THD+N output level.
(2)
Actual system idle losses are affected by core losses of output inductors.
Copyright © 2015, Texas Instruments Incorporated
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