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TPA3250 Arkusz danych(PDF) 8 Page - Texas Instruments

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Numer części TPA3250
Szczegółowy opis  130W peak PurePath Ultra-HD Pad Down Class-D Amplifier
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Producent  TI1 [Texas Instruments]
Strona internetowa  http://www.ti.com
Logo TI1 - Texas Instruments

TPA3250 Arkusz danych(HTML) 8 Page - Texas Instruments

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TPA3250
SLASE99A – DECEMBER 2015 – REVISED APRIL 2016
www.ti.com
Product Folder Links: TPA3250
Submit Documentation Feedback
Copyright © 2015–2016, Texas Instruments Incorporated
Electrical Characteristics (continued)
PVDD_X = 32 V, GVDD_X = 12 V, VDD = 12 V, TA (Ambient temperature) = 25°C, fS = 450 kHz, unless otherwise specified.
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
STATIC DIGITAL SPECIFICATIONS
VIH
High level input voltage
M1, M2, OSC_IOP, OSC_IOM, RESET
1.9
V
VIL
Low level input voltage
0.8
V
Ilkg
Input leakage current
100
μA
OTW/SHUTDOWN (FAULT)
RINT_PU
Internal pullup resistance, CLIP_OTW to
DVDD, FAULT to DVDD
20
26
32
k
VOH
High level output voltage
Internal pullup resistor
3
3.3
3.6
V
VOL
Low level output voltage
IO = 4 mA
200
500
mV
Device fanout
CLIP_OTW, FAULT
No external pullup
30
devices
(1)
Peak Power rating using TPA3250 EVM
(2)
SNR is calculated relative to 1% THD+N output level.
(3)
Actual system idle losses also are affected by core losses of output inductors.
7.6 Audio Characteristics (BTL)
PCB and system configuration are in accordance with recommended guidelines. Audio frequency = 1 kHz, PVDD_X = 32 V,
GVDD_X = 12 V, RL = 8 Ω, fS = 450 kHz, ROC = 22 kΩ, TA = 25°C, Output Filter: LDEM = 10 μH, CDEM = 1 µF, mode = 00,
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
70
W
RL = 4 Ω, 10% THD+N, 3 seconds Peak
Power(1)
130
RL = 4 Ω, 10% THD+N, Single Channel, 300
seconds duration(1)
130
RL = 8 Ω, 1% THD+N
60
RL = 4 Ω, 1% THD+N
40
RL = 4 Ω, 1% THD+N, 6 seconds Peak
Power(1)
105
RL = 4 Ω, 1% THD+N, Single Channe
(1)l
105
THD+N
Total harmonic distortion + noise
1 W
0.005%
Vn
Output integrated noise
A-weighted, AES17 filter, Input Capacitor
Grounded
60
μV
|VOS|
Output offset voltage
Inputs AC coupled to GND
20
60
mV
SNR
Signal-to-noise ratio(2)
112
dB
DNR
Dynamic range
112
dB
Pidle
Power dissipation due to Idle losses (IPVDD_X)
PO = 0, 4 channels switching
(3)
0.6
W


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