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參數資料
| 型號： | TPA2010D1YZF |
| 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, BGA9 |
| 封裝： | LEAD FREE, NANOFREE, WCSP-9 |
| 文件頁數： | 8/25頁 |
| 文件大小： | 783K |
| 代理商： | TPA2010D1YZF |
www.ti.com
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 TPA2010D1
SLOS417C – OCTOBER 2003 – REVISED SEPTEMBER 2007
Figure 34. Close Up of TPA2010D1 Land Pattern From TPA2010D1 EVM
The maximum ambient temperature depends on the heat-sinking ability of the PCB system. The derating factor
for the YEF and YEZ packages are shown in the dissipation rating table. Converting this to
θJA:
Given
θJA 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 TPA2010D1 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 TPA2010D1.
16
Copyright 2003–2007, Texas Instruments Incorporated
Product Folder Link(s): TPA2010D1
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相關代理商/技術參數 |
參數描述 |
|---|---|
| TPA2010D1YZFR | 功能描述:音頻放大器 Mono Filter-Free Class-D in WCSP 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 |
| TPA2010D1YZFRG4 | 制造商:TI 功能描述:AUDIO POWER AMPLIFIER |
| TPA2010D1YZFT | 功能描述:音頻放大器 Mono Filter-Free Class-D in WCSP 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 |
| TPA2011D1 | 制造商:TI 制造商全稱:Texas Instruments 功能描述:3.2W Mono Filter-Free Class-D Audio Power Amplifier With Auto-Recovering Short-Circuit Protection |
| TPA2011D1_12 | 制造商:TI 制造商全稱:Texas Instruments 功能描述:3.2W Mono Filter-Free Class-D Audio Power Amplifier |
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