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参数资料
型号： TAS5352ADDVR
厂商： TEXAS INSTRUMENTS INC
元件分类： 音频／视频放大
英文描述： 125 W, 2 CHANNEL, AUDIO AMPLIFIER, PDSO44
封装： PLASTIC, HTSSOP-44
文件页数： 26/27页
文件大小： 833K
代理商： TAS5352ADDVR
RECOMMENDED OPERATING CONDITIONS
AUDIO SPECIFICATIONS (BTL)
TAS5352A
SLES239 – NOVEMBER 2008 ........................................................................................................................................................................................... www.ti.com
MIN
TYP
MAX
UNIT
PVDD_X
Half-bridge supply voltage
0
34.5
37
V
Supply voltage for logic regulators and
GVDD_X
10.8
12
13.2
V
gate-drive circuitry
VDD
Digital regulator supply voltage
10.8
12
13.2
V
RL (BTL)
3
4
Resistive load impedance (no Cycle-by_Cycle
RL (SE)
current control), recommended demodulation
2.25
3
filter
RL (PBTL)
1.5
2
LOutput (BTL)
5
10
Minimum output inductance under
LOutput (SE)
Output-filter inductance
5
10
H
short-circuit condition
LOutput (PBTL)
5
10
fS
PWM frame rate
192
384
432
kHz
tLOW
Minimum low-state pulse duration per PWM
30
nS
Frame, noise shaper enabled
CPVDD
PVDD close decoupling capacitors
0.1
F
CBST
Bootstrap capacitor, selected value supports
33
nF
PWM frame rates from 192 kHz to 432 kHz
ROC
Over-current programming resistor
Resistor tolerance = 5%
22
47
k
REXT-PULLUP
External pull-up resistor to +3.3V to +5.0V for
3.3
4.7
k
SD or OTW
TJ
Junction temperature
0
125
°C
Audio performance is recorded as a chipset consisting of a TAS5518 pwm processor (modulation index limited to 97.7%) and
a TAS5352A power stage. PCB and system configuration are in accordance with recommended guidelines. Audio frequency
= 1kHz, PVDD_x = 34.5 V, GVDD_x = 12 V, RL = 4, fS = 384 kHz, ROC = 22 k, TC = 75°C, Output Filter: LDEM = 10 H,
CDEM = 470 nF, unless otherwise noted.
TAS5352A
PARAMETER
TEST CONDITIONS
UNIT
MIN
TYP
MAX
RL = 4 , 10% THD+N, clipped input
125
signal
RL = 6 , 10% THD+N, clipped input
POMAX
Maximum Power Output
100
signal
RL = 8 , 10% THD+N, clipped input
76
W
signal
RL = 4 , 0 dBFS, unclipped input
96
signal
RL = 6 , 0 dBFS, unclipped input
PO
Unclipped Power Output
72
signal
RL = 8 , 0 dBFS, unclipped input
57
signal
0 dBFS; AES17 filter
0.4%
THD+N
Total harmonic distortion + noise
1 W; AES17 filter
0.09%
Vn
Output integrated noise
A-weighted, AES17 filter, Auto mute
V
50
disabled
SNR
Signal-to-noise ratio (1)
A-weighted, AES17 filter, Auto mute
110
dB
disabled
A-weighted, input level = –60 dBFS,
DNR
Dynamic range
110
dB
AES17 filter
DC Offset
Output offset voltage
+/- 15
mV
Pidle
Power dissipation due to idle losses (IPVDD_X)
PO = 0 W, all halfbridges switching
(2)
2.6
W
(1)
SNR is calculated relative to 0-dBFS input level.
(2)
Actual system idle losses are affected by core losses of output inductors.
8
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Copyright 2008, Texas Instruments Incorporated
Product Folder Link(s): TAS5352A
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相关代理商/技术参数
参数描述
TAS5352DDV 功能描述:音频放大器 125W Class D Stereo Power Stage RoHS:否 制造商:STMicroelectronics 产品:General Purpose Audio Amplifiers 输出类型:Digital 输出功率: THD + 噪声: 工作电源电压:3.3 V 电源电流: 最大功率耗散: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:TQFP-64 封装:Reel
TAS5352DDV 制造商:Texas Instruments 功能描述:Amplifier IC
TAS5352DDV6EVM 功能描述:音频 IC 开发工具 TAS5352DDV6EVM Eval Mod RoHS:否 制造商:Texas Instruments 产品:Evaluation Kits 类型:Audio Amplifiers 工具用于评估:TAS5614L 工作电源电压:12 V to 38 V
TAS5352DDVG4 功能描述:音频放大器 125W Class D Stereo Power Stage RoHS:否 制造商:STMicroelectronics 产品:General Purpose Audio Amplifiers 输出类型:Digital 输出功率: THD + 噪声: 工作电源电压:3.3 V 电源电流: 最大功率耗散: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:TQFP-64 封装:Reel
TAS5352DDVR 功能描述:音频放大器 125W Class D Stereo Power Stage RoHS:否 制造商:STMicroelectronics 产品:General Purpose Audio Amplifiers 输出类型:Digital 输出功率: THD + 噪声: 工作电源电压:3.3 V 电源电流: 最大功率耗散: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:TQFP-64 封装:Reel
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