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參數資料
| 型號： | TPA2036D1YZF |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 音頻／視頻放大 |
| 英文描述： | 2.5 W, 1 CHANNEL, AUDIO AMPLIFIER, PBGA9 |
| 封裝： | 1.45 X 1.45 MM, LEAD FREE, BGA-9 |
| 文件頁數： | 9/24頁 |
| 文件大小： | 743K |
| 代理商： | TPA2036D1YZF |
375 mm
(+0, -25 mm)
275 mm
(+0, -25 mm)
Circular Solder Mask Opening
Paste Mask (Stencil)
= Copper Pad Size
75 mm
100 mm
75 mm
EFFICIENCY AND THERMAL INFORMATION
q
JA
+
1
Derating Factor
+
1
0.0078
+ 128.2
°C W
(17)
T
A
Max + TJMax * qJAPDmax + 150 * 128.2 (0.4) + 98.72°C
(18)
ELIMINATING THE OUTPUT FILTER WITH THE TPA2036D1
www.ti.com.............................................................................................................................................................................................. SLOS589 – OCTOBER 2008
Figure 34. Close Up of TPA2036D1 Land Pattern From TPA2036D1 EVM
The maximum ambient temperature depends on the heat-sinking ability of the PCB system. The derating factor
for the YZF package is shown in the dissipation rating table. Converting this to
θ
JA:
Given
θ
JA of 128.2°C/W, the maximum allowable junction temperature of 150°C, and the maximum internal
dissipation of 0.4 W (2.25 W, 4-
load, 5-V supply, from Figure 3), the maximum ambient temperature can be
calculated with the following equation.
Equation 18 shows that the calculated maximum ambient temperature is 98.72°C at maximum power dissipation
with a 5-V supply and 4-
a load, see Figure 3. The TPA2036D1 is designed with thermal protection that turns
the device off when the junction temperature surpasses 165°C ~ 190°C to prevent damage to the IC. Also, using
speakers more resistive than 4-
dramatically increases the thermal performance by reducing the output current
and increasing the efficiency of the amplifier.
This section focuses on why the user can eliminate the output filter with the TPA2036D1.
Copyright 2008, Texas Instruments Incorporated
17
Product Folder Link(s): TPA2036D1
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相關代理商/技術參數 |
參數描述 |
|---|---|
| TPA2036D1YZFEVM | 功能描述:音頻 IC 開發工具 TPA2036D1 Eval Mod RoHS:否 制造商:Texas Instruments 產品:Evaluation Kits 類型:Audio Amplifiers 工具用于評估:TAS5614L 工作電源電壓:12 V to 38 V |
| TPA2036D1YZFR | 功能描述:音頻放大器 2.5-W Mono Class-D Audio Power Amp RoHS:否 制造商:STMicroelectronics 產品: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 |
| TPA2036D1YZFT | 功能描述:音頻放大器 2.5-W Mono Class-D Audio Power Amp RoHS:否 制造商:STMicroelectronics 產品: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 |
| TPA2036D1YZFT | 制造商:Texas Instruments 功能描述:2.5-W Mono Class-D Audio Power Amplifier |
| TPA2037D1 | 制造商:TI 制造商全稱:Texas Instruments 功能描述:3.2W Mono Class-D Audio Power Amplifier With 6-dB Gain and Auto Short-Circuit Recovery |
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