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参数资料
| 型号： | TPA2010D1YZFR |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | 音频／视频放大 |
| 英文描述： | 2.5 W, 2 CHANNEL, AUDIO AMPLIFIER, PBGA9 |
| 封装： | 1.45 X 1.45 MM, GREEN, DSBGA-9 |
| 文件页数： | 8/25页 |
| 文件大小： | 783K |
| 代理商： | TPA2010D1YZFR |
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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PDF描述 |
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| TPA2010D1YZFT | 2.5 W, 2 CHANNEL, AUDIO AMPLIFIER, PBGA9 |
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相关代理商/技术参数 |
参数描述 |
|---|---|
| TPA2010D1YZFRG4 | 制造商:TI 功能描述:AUDIO POWER AMPLIFIER |
| TPA2010D1YZFT | 功能描述:音频放大器 Mono Filter-Free Class-D in WCSP 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 |
| TPA2011D1 | 制造商:TI 制造商全称: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 制造商全称:Texas Instruments 功能描述:3.2W Mono Filter-Free Class-D Audio Power Amplifier |
| TPA2011D1YFFEVM | 功能描述:音频 IC 开发工具 TPA2011D1YFF 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 |
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