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參數(shù)資料
| 型號： | TPA751DGNR |
| 元件分類： | 音頻放大器 |
| 英文描述： | Amplifier. Other |
| 中文描述： | 放大器。其他 |
| 文件頁數(shù)： | 19/22頁 |
| 文件大小： | 336K |
| 代理商： | TPA751DGNR |
TPA721
700-mW MONO LOW-VOLTAGE AUDIO POWER AMPLIFIER
SLOS231D
–
NOVEMBER 1998
–
REVISED OCTOBER 2002
19
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
APPLICATION INFORMATION
headroom and thermal considerations (continued)
This is valuable information to consider when attempting to estimate the heat dissipation requirements for the
amplifier system. Comparing the absolute worst case, which is 700 mW of continuous power output with 0 dB
of headroom, against 12 dB and 15 dB applications drastically affects maximum ambient temperature ratings
for the system. Using the power dissipation curves for a 5-V, 8-
system, the internal dissipation in the TPA721
and maximum ambient temperatures is shown in Table 2.
Table 2. TPA721 Power Rating, 5-V, 8-
, BTL
PEAK OUTPUT
POWER
(mW)
AVERAGE OUTPUT
POWER
POWER
DISSIPATION
(mW)
D PACKAGE
(SOIC)
DGN PACKAGE
(MSOP)
MAXIMUM AMBIENT
TEMPERATURE
(0 CFM)
MAXIMUM AMBIENT
TEMPERATURE
(0 CFM)
700
700 mW
675
34
°
C
47
°
C
68
°
C
89
°
C
111
°
C
110
°
C
115
°
C
122
°
C
125
°
C
125
°
C
700
350 mW (3 dB)
595
700
176 mW (6 dB)
475
700
88 mW (9 dB)
350
700
44 mW (12 dB)
225
Table 2 shows that the TPA721 can be used to its full 700-mW rating without any heat sinking in still air up to
110
°
C and 34
°
C for the DGN package (MSOP) and D package (SOIC) respectively.
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| TPA751DGNRG4 | 功能描述:音頻放大器 Mono Diff Input Class-AB 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: 安裝風格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel |
| TPA751DR | 功能描述:音頻放大器 Mono Diff Input Class-AB 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: 安裝風格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel |
| TPA751DRG4 | 功能描述:音頻放大器 Mono Diff Input Class-AB 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: 安裝風格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel |
| TPA751EVM | 功能描述:音頻 IC 開發(fā)工具 TPA751 Eval Mod RoHS:否 制造商:Texas Instruments 產(chǎn)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 |
| TPA751GQS | 制造商:Texas Instruments 功能描述:AUD AMP SPKR 1CH MONO 0.7W CLS-AB 24VFBGA - Tape and Reel |
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