參數(shù)資料
型號： TAS5142DKDRG4
廠商： TEXAS INSTRUMENTS INC
元件分類： 音頻／視頻放大
英文描述： 200 W, 2 CHANNEL, AUDIO AMPLIFIER, PDSO36
封裝： GREEN, PLASTIC, HSSOP-36
文件頁數(shù)： 31/31頁
文件大?。?/td> 942K
代理商： TAS5142DKDRG4
www.ti.com
AUDIO SPECIFICATIONS (PBTL)
SLES126B – DECEMBER 2004 – REVISED MAY 2005
AUDIO SPECIFICATIONS (Single-Ended Output) (continued)
PVDD_X = 32 V, GVDD = VDD = 12 V, SE mode, R
L = 4 , 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 , 10% THD, clipped input
40
signal
RL = 4 , 10% THD, clipped input
30
signal
PO
Power output per channel, DKD package
W
RL = 3 , 0 dBFS, unclipped input
30
signal
RL = 4 , 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
V
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 , 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 , 10% THD, clipped input
160
signal
RL = 2 , 10% THD, clipped input
200
signal
PO
Power output per channel, DKD package
W
RL = 3 , 0 dBFS, unclipped input
120
signal
RL = 2 , 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
V
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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