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TAS5142 Datasheet(PDF) 9 Page - Texas Instruments

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Part # TAS5142
Description  STEREO DIGITAL AMPLIFIER POWER STAGE
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Manufacturer  TI [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI - Texas Instruments

TAS5142 Datasheet(HTML) 9 Page - Texas Instruments

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AUDIO SPECIFICATIONS (Single-Ended Output)
AUDIO SPECIFICATIONS (PBTL)
TAS5142
SLES126B – DECEMBER 2004 – REVISED MAY 2005
PVDD_X = 32 V, GVDD = VDD = 12 V, SE mode, R
L = 4 Ω, audio frequency = 1 kHz, AES17 filter, FPWM = 384 kHz, case
temperature = 75°C, unless otherwise noted. Audio performance is recorded as a chipset, using TAS5086 PWM processor
with an effective modulation index limit of 96.1%. All performance is in accordance with recommended operating conditions
unless otherwise specified.
TAS5142
PARAMETER
TEST CONDITIONS
UNIT
MIN
TYP
MAX
RL = 3 Ω, 10% THD, clipped input
40
signal
RL = 4 Ω, 10% THD, clipped input
30
signal
PO
Power output per channel, DKD package
W
RL = 3 Ω, 0 dBFS, unclipped input
30
signal
RL = 4 Ω, 0 dBFS, unclipped input
20
signal
0 dBFS
0.2%
THD+N
Total harmonic distortion + noise
1 W
0.1%
Vn
Output integrated noise
A-weighted
90
µV
SNR
Signal-to-noise ratio(1)
A-weighted
100
dB
A-weighted, input level = –60 dBFS
DNR
Dynamic range
100
dB
using TAS5508 modulator
Pidle
Power dissipation due to idle losses (IPVDD_X)
PO = 0 W, 4 channels switching(2)
2
W
(1)
SNR is calculated relative to 0-dBFS input level.
(2)
Actual system idle losses are affected by core losses of output inductors.
PVDD_X = 32 V, GVDD = VDD = 12 V, PBTL mode, R
L = 3 Ω, audio frequency = 1 kHz, AES17 filter, FPWM = 384 kHz, case
temperature = 75°C, unless otherwise noted. Audio performance is recorded as a chipset, using TAS5508 PWM processor
with an effective modulation index limit of 96.1%. All performance is in accordance with recommended operating conditions
unless otherwise specified.
TAS5142
PARAMETER
TEST CONDITIONS
UNIT
MIN
TYP
MAX
RL = 3 Ω, 10% THD, clipped input
160
signal
RL = 2 Ω, 10% THD, clipped input
200
signal
PO
Power output per channel, DKD package
W
RL = 3 Ω, 0 dBFS, unclipped input
120
signal
RL = 2 Ω, 0 dBFS, unclipped input
150
signal
0 dBFS
0.2%
THD+N
Total harmonic distortion + noise
1 W
0.1%
Vn
Output integrated noise
A-weighted
140
µV
SNR
Signal-to-noise ratio(1)
A-weighted
102
dB
A-weighted, input level = –60 dBFS
102
using TAS5508 modulator
DNR
Dynamic range
dB
A-weighted, input level = –60 dBFS
110
using TAS5518 modulator
Pidle
Power dissipation due to idle losses (IPVDD_X)
PO = 0 W, 1 channel switching(2)
2
W
(1)
SNR is calculated relative to 0-dBFS input level.
(2)
Actual system idle losses are affected by core losses of output inductors.
9


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