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參數資料
型號: TPA701D
廠商: TEXAS INSTRUMENTS INC
元件分類: 音頻/視頻放大
英文描述: 0.35 W, 1 CHANNEL, AUDIO AMPLIFIER, PDSO8
封裝: GREEN, PLASTIC, MS-012AA, SOIC-8
文件頁數: 11/28頁
文件大?。?/td> 790K
代理商: TPA701D
TPA701
700-mW MONO LOW-VOLTAGE AUDIO POWER AMPLIFIER
SLOS229D – NOVEMBER1998 – REVISED MAY 2003
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 TPA701
and maximum ambient temperatures is shown in Table 2.
Table 2. TPA701 Power Rating, 5-V, 8-
, BTL
PEAK OUTPUT
POWER
AVERAGE OUTPUT
POWER
DISSIPATION
D PACKAGE
(SOIC)
DGN PACKAGE
(MSOP)
POWER
(mW)
AVERAGE OUTPUT
POWER
DISSIPATION
(mW)
MAXIMUM AMBIENT
TEMPERATURE
MAXIMUM AMBIENT
TEMPERATURE
700
700 mW
675
34
°C
110
°C
700
350 mW (3 dB)
595
47
°C
115
°C
700
176 mW (6 dB)
475
68
°C
122
°C
700
88 mW (9 dB)
350
89
°C
125
°C
700
44 mW (12 dB)
225
111
°C
125
°C
Table 2 shows that the TPA701 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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相關代理商/技術參數
參數描述
TPA701DG4 功能描述:音頻放大器 700-mW Low-Voltage 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
TPA701DGN 功能描述:音頻放大器 700mW Low Voltage 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
TPA701DGN 制造商:Texas Instruments 功能描述:IC AMP AUDIO PWR 0.7W MONO 8MSOP 制造商:Texas Instruments 功能描述:IC, AMP AUDIO PWR 0.7W MONO 8MSOP 制造商:Texas Instruments 功能描述:IC, AMP AUDIO PWR 0.7W MONO 8MSOP; Amplifier Class:AB; No. of Channels:1; Output Power:700mW; Supply Voltage Range:2.5V to 5.5V; Amplifier Case Style:MSOP; No. of Pins:8; Load Impedance:8ohm; Operating Temperature Min:-40C; ;RoHS Compliant: Yes
TPA701DGN 制造商:Texas Instruments 功能描述:Audio Power Amplifier IC 制造商:Texas Instruments 功能描述:IC, AUDIO PWR AMP, CLASS AB 700mW MSOP-8
TPA701DGNG4 功能描述:音頻放大器 700-mW Low-Voltage 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
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