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參數(shù)資料
| 型號： | TPA2035D1EVM |
| 廠商： | Texas Instruments |
| 文件頁數(shù)： | 6/18頁 |
| 文件大?。?/td> | 0K |
| 描述： | EVAL MODULE FOR TPA2035D1 |
| 標(biāo)準(zhǔn)包裝： | 1 |
| 系列： | NanoFree™ |
| 放大器類型： | D 類 |
| 輸出類型： | 1-通道（單聲道） |
| 在某負(fù)載時(shí)最大輸出功率 x 通道數(shù)量： | 2.75W x 1 @ 4 歐姆 |
| 電源電壓： | 2.5 V ~ 5.5 V |
| 工作溫度： | -40°C ~ 85°C |
| 板類型： | 完全填充 |
| 已用 IC / 零件： | TPA2035D1 |
| 已供物品： | 板 |
| 其它名稱： | 296-31092 TPA2035D1EVM-ND |
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
(3)
T
A
Max + TJMax * qJAPDmax
(4)
SLOS562 – AUGUST 2008 ................................................................................................................................................................................................ www.ti.com
Figure 33. Close Up of TPA2035D1 Land Pattern
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 (from the Package Dissipation ratings table), the maximum allowable junction temperature (from the
Absolute Maximum ratings table), and the maximum internal dissipation (from Power Dissipation vs Output
Power figures) the maximum ambient temperature can be calculated with the following equation. Note that the
units on these figures are Watts RMS. Because of crest factor (ratio of peak power to RMS power) from 9–15
dB, thermal limitations are not usually encountered.
The TPA2035D1 is designed with thermal protection that turns the device off when the junction temperature
surpasses 150°C to prevent damage to the IC. Note that using speakers more resistive than 4-
dramatically
increases the thermal performance by reducing the output current and increasing the efficiency of the amplifier.
θ
JA is a gross approximation of the complex thermal transfer mechanisms between the device and its ambient
environment. If the
θ
JA calculation reveals a potential problem, a more accurate estimate should be made.
14
Copyright 2008, Texas Instruments Incorporated
Product Folder Link(s): TPA2035D1
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| TPA2035D1YZFR | 功能描述:音頻放大器 2.75W Fix Gain Mono Class-D Aud Pwr 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 |
| TPA2035D1YZFT | 功能描述:音頻放大器 2.75W Fix Gain Mono Class-D Aud Pwr 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 |
| TPA2036D1 | 制造商:TI 制造商全稱:Texas Instruments 功能描述:2.5-W MONO CLASS-D AUDIO AMPLIFIER WITH AUTO-RECOVERY |
| TPA2036D1_11 | 制造商:TI 制造商全稱:Texas Instruments 功能描述:2.5-W MONO CLASS-D AUDIO AMPLIFIER WITH AUTO-RECOVERY |
| TPA2036D1YZF | 制造商:TI 制造商全稱:Texas Instruments 功能描述:2.5-W MONO CLASS-D AUDIO AMPLIFIER WITH AUTO-RECOVERY |
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