參數(shù)資料
型號(hào)： TPA3100D2IRGZRQ1
廠商： TEXAS INSTRUMENTS INC
元件分類： 音頻／視頻放大
英文描述： 21.8 W, 2 CHANNEL, AUDIO AMPLIFIER, PQCC48
封裝： 7 X 7 MM, GREEN, PLASTIC, QFN-48
文件頁(yè)數(shù)： 13/37頁(yè)
文件大小： 1024K
代理商： TPA3100D2IRGZRQ1
FCCBLimit
PeakdB
70
60
50
40
30
20
0
30M
230M
430M
630M
830M
NationalTechnicalSystems,PlanoTX
RadiatedEmissions30MHz-1000MHz
FCCB
f-Frequency-Hz
LimitLevel-dB(
V/m)
m
TPA3100D2-Q1
SLOS557 – SEPTEMBER 2008 ......................................................................................................................................................................................... www.ti.com
Using the LC filter in Figure 25, the TPA3100D2 EMI EVM passed the FCC Part 15 Class B radiated emissions
with 21-inch speaker wires. Quasi-peak measurements were taken for the four standard test configurations, and
the TPA3100D2 EVM passed with at least 17-dB margin. A plot of the peak measurement for the horizontal rear
configuration is shown in Figure 28.
Figure 28. Radiated Emissions Prescan 30 MHz to 1000 MHz
Inductors used in LC filters must be chosen carefully. A significant change in inductance at the peak output
current of the TPA3100D2 causes increased distortion. The change of inductance at currents up to the peak
output current must be less than 0.1
H per amp to avoid this distortion. Also note that smaller inductors than
33
H may cause an increase in distortion above what is shown in Figure 1 through Figure 8.
Capacitors used in LC filters must also be chosen carefully. A significant change in capacitance at the peak
output voltage of the TPA3100D2 causes increased distortion. LC filter capacitors should have dc voltage ratings
at least twice the peak application voltage (the power-supply voltage) and should be made of X5R or better
material. In all cases avoid using capacitors with loose temperature ratings, such as Y5V.
20
Copyright 2008, Texas Instruments Incorporated
相關(guān)PDF資料
PDF描述
TPA3100D2RGZR-P 21.8 W, 2 CHANNEL, AUDIO AMPLIFIER, PQCC48
TPA3100D2RGZR 21.8 W, 2 CHANNEL, AUDIO AMPLIFIER, PQCC48
TPA3100D2RGZT 21.8 W, 2 CHANNEL, AUDIO AMPLIFIER, PQCC48
TPA3100D2PHPR 21.8 W, 2 CHANNEL, AUDIO AMPLIFIER, PQFP48
TPA3100D2RGZRG4 21.8 W, 2 CHANNEL, AUDIO AMPLIFIER, PQCC48
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
TPA3100D2PHP 功能描述:音頻放大器 20 W Stereo Class-D Audio Amp 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(fēng)格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel
TPA3100D2PHPG4 功能描述:音頻放大器 20 W Stereo Class-D Audio Amp 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(fēng)格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel
TPA3100D2PHPR 功能描述:音頻放大器 20 W Stereo Class-D Audio Amp 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(fēng)格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel
TPA3100D2PHPRG4 功能描述:音頻放大器 20 W Stereo Class-D Audio Amp 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(fēng)格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel
TPA3100D2-Q1 制造商:TI 制造商全稱:Texas Instruments 功能描述:20-W STEREO CLASS-D AUDIO POWER AMPLIFIER
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