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參數(shù)資料
| 型號： | TDA7350A |
| 廠商： | STMICROELECTRONICS |
| 元件分類： | 音頻／視頻放大 |
| 英文描述： | 11 W, 2 CHANNEL, AUDIO AMPLIFIER, PZFM11 |
| 文件頁數(shù)： | 5/23頁 |
| 文件大?。?/td> | 494K |
| 代理商： | TDA7350A |
13/23
TDA7350A
of low leakage diodes, too. It guarantees BVCEO > 20V and BVCBO > 50V both for NPN and PNP transis-
tors. Basically, the connection shown in fig. 34 has been chosen. First of all because its voltage swing is
rail-to-rail, limited only by the VCEsat of the output transistors, which are in the range of 0.3
each. Then,
the gain VOUT/VIN is greater than unity, approximately 1+R2/R1. (VCC/2 is fixed by an auxiliary amplifier
common to both channel). It is possible, controlling the amount of this local feedback, to force the loop
gain (A .
β) to less than unity at frequencies for which the phase shift is 180°. This means that the output
buffer is intrinsically stable and not prone to oscillation.
Figure 34. The New Output Stage
In contrast, with the circuit of fig. 35, the solution adopted to reduce the gain at high frequencies is the use
of an external RC network.
4.8 AMPLIFIER BLOCK DIAGRAM
The block diagram of each voltage amplifier is shown in fig. 36. Regardless of production spread, the cur-
rent in each final stage is kept low, with enough margin on the minimum, below which cross-over distortion
would appear.
Figure 35. A Classical Output Stage
Figure 36. Amplifier Block Diagram
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| TDA7370B | 6.5 W, 4 CHANNEL, AUDIO AMPLIFIER, PZFM15 |
| TDA7370 | 6.5 W, 4 CHANNEL, AUDIO AMPLIFIER, PZFM15 |
| TDA7375AH | 43 W, 2 CHANNEL, AUDIO AMPLIFIER, PZFM15 |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| TDA7350A_05 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:22W BRIDGE-STEREO AMPLIFIER FOR CAR RADIO |
| TDA7360 | 功能描述:音頻放大器 22W Stereo Amplifier 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 |
| TDA7360HS | 功能描述:音頻放大器 18V Op 28V DC 36W 50V Supply 5A Output 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 |
| TDA7361 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:LOW VOLTAGE NBFM IF SYSTEM |
| TDA7365 | 功能描述:音頻放大器 2X7W Radio Amplifier 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 |
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