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參數(shù)資料
| 型號： | TAS5146DKD |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | STEREO DIGITAL AMPLIFIER POWER STAGE |
| 中文描述： | 立體聲數(shù)字放大器功率級 |
| 文件頁數(shù)： | 8/26頁 |
| 文件大小： | 583K |
| 代理商： | TAS5146DKD |
www.ti.com
RECOMMENDED OPERATING CONDITIONS
AUDIO SPECIFICATIONS (BTL)
PVDD_X = 32 V, GVDD = VDD = 12 V, BTL mode, R
L
= 4
, audio frequency = 1 kHz, AES17 filter, F
PWM
= 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
SLES126B–DECEMBER 2004–REVISED MAY 2005
MIN
TYP
32
MAX
UNIT
V
PVDD_X
Half-bridge supply
Supply for logic regulators and gate-drive
circuitry
Digital regulator input
DC supply voltage
0
34
GVDD_X
DC supply voltage
10.8
12
13.2
V
VDD
R
L
(BTL)
R
L
(SE)
R
L
(PBTL)
L
Output
(BTL)
L
Output
(SE)
L
Output
(PBTL)
F
PWM
T
J
DC supply voltage
10.8
12
4
3
2
10
10
10
384
13.2
V
3
2
Output filter: L = 10
μ
H, C = 470 nF.
Output AD modulation, switching fre-
quency > 350 kHz
Load impedance
1.5
5
5
5
Minimum output inductance under
short-circuit condition
Output-filter inductance
μ
H
PWM frame rate
Junction temperature
192
432
125
kHz
°C
0
TAS5142
TYP
PARAMETER
TEST CONDITIONS
UNIT
MIN
MAX
R
= 4
, 10% THD, clipped input
signal
R
= 6
, 10% THD, clipped input
signal
R
= 8
, 10% THD, clipped input
signal
R
= 4
, 0 dBFS, unclipped input
signal
R
= 6
, 0 dBFS, unclipped input
signal
R
= 8
, 0 dBFS, unclipped input
signal
0 dBFS
1 W
A-weighted
A-weighted
A-weighted, input level = –60 dBFS
using TAS5508 modulator
A-weighted, input level = –60 dBFS
using TAS5518 modulator
P
O
= 0 W, 4 channels switching
(2)
100
80
65
W
P
O
Power output per channel, DKD package
80
60
50
0.3%
0.1%
140
102
THD+N
Total harmonic distortion + noise
V
n
SNR
Output integrated noise
Signal-to-noise ratio
(1)
μ
V
dB
102
DNR
Dynamic range
dB
110
P
idle
Power dissipation due to idle losses (IPVDD_X)
2
W
(1)
(2)
SNR is calculated relative to 0-dBFS input level.
Actual system idle losses are affected by core losses of output inductors.
8
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| TAS5152 | 制造商:TI 制造商全稱:Texas Instruments 功能描述:STEREO DIGITAL AMPLIFIER POWER STAGE |
| TAS5152_07 | 制造商:TI 制造商全稱:Texas Instruments 功能描述:STEREO DIGITAL AMPLIFIER POWER STAGE |
| TAS5152DKD | 功能描述:音頻放大器 Stereo 125W Powerstage RoHS:否 制造商:STMicroelectronics 產(chǎn)品:General Purpose Audio Amplifiers 輸出類型:Digital 輸出功率: THD + 噪聲: 工作電源電壓:3.3 V 電源電流: 最大功率耗散: 最大工作溫度: 安裝風格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel |
| TAS5152DKD | 制造商:Texas Instruments 功能描述:Special Function IC |
| TAS5152DKDG4 | 功能描述:音頻放大器 Stereo 125W Powerstage RoHS:否 制造商:STMicroelectronics 產(chǎn)品:General Purpose Audio Amplifiers 輸出類型:Digital 輸出功率: THD + 噪聲: 工作電源電壓:3.3 V 電源電流: 最大功率耗散: 最大工作溫度: 安裝風格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel |
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