參數(shù)資料
型號(hào)： TDA7493
廠商： STMICROELECTRONICS
元件分類： 音頻／視頻放大
英文描述： 3 W, 2 CHANNEL, AUDIO AMPLIFIER, PDSO24
封裝： ROHS COMPLIANT, MO-153ADT, SSOP-24
文件頁(yè)數(shù)： 21/30頁(yè)
文件大?。?/td> 863K
代理商： TDA7493
Heatsink provision
TDA7493
28/30
Doc ID 14570 Rev 5
8
Heatsink provision
With the exposed-pad packages, it is possible to use the printed circuit board as a heatsink.
Using a PCB copper ground area of 3 x 3 cm2 with 16 via holes to make contact with the
exposed pad, a thermal resistance of 37 °C/W can be achieved.
The amount of power dissipated within the device depends primarily on the supply voltage,
load impedance and output modulation level. The maximum estimated power dissipation for
the TDA7493 is around 1.1 W.
With the suggested copper area of 9 cm2, a maximum junction temperature increase of less
than 40 °C above ambient can be expected, thus giving a maximum junction temperature,
Tj, of approximately 90 °C in consumer environments where 50 °C is specified as the
maximum ambient temperature. This provides a comfortable safety margin to the thermal
protection threshold at Tj = 150 °C.
相關(guān)PDF資料
PDF描述
TDA7494 1 CHANNEL(S), VOLUME CONTROL CIRCUIT, ZFM15
TDA7495 2 CHANNEL(S), VOLUME CONTROL CIRCUIT, PZFM15
TDA7496SA 2 CHANNEL(S), VOLUME CONTROL CIRCUIT, PZFM15
TDA7496SSA 5.5 W, 2 CHANNEL, AUDIO AMPLIFIER, PZFM15
TDA7498MVTR 100 W, 1 CHANNEL, AUDIO AMPLIFIER, PDSO36
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
TDA749313TR 功能描述:音頻放大器 3W and 3Watt Dual BTL Class D Audio 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
TDA7494 功能描述:音頻放大器 10W DC Amp w/Vol Cnt 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
TDA7494S 功能描述:音頻放大器 Video switch chip 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
TDA7494SA 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:5W+5W AMPLIFIER WITH DC VOLUME CONTROL
TDA7495 功能描述:音頻放大器 11W DC Amp w/Vol Cnt 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
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