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參數資料
| 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： | 11/23頁 |
| 文件大?。?/td> | 494K |
| 代理商： | TDA7350A |
19/23
TDA7350A
Figure 47.
5.5 Balance Input In Bridge Configuration
A helpful characteristic of the TDA7350A is that, in bridge configuration, a signal present on both the input
capacitors is amplified by the same amount and it is present in phase at the outputs, so this signal does
not produce effects on the load.The typical value of CMRR is 46 dB.
Looking at fig 48, we can see that a noise signal from the ground of the power amplifier to the ground of
the hypothetical preamplifier is amplified of a factor equal to the gain of the amplifier (2 Gv). Using a con-
figuration of fig. 49 the same ground noise is present at the output multiplied by the factor 2 Gv/200.
This means less distortion,less noise (e.g. motor cassette noise ) and/or a simplification of the layout of
PC board.
The only limitation of this balanced input is the maximum amplitude of common mode signals (few tens of
millivolt) to avoid a loss of output power due to the common mode signal on the output, but in a large num-
ber of cases this signal is within this range.
5.6 High Gain, Low Noise Application
The following section describes a flexible preamplifier having the purpose to increase the gain of the
TDA7350A.
Figure 48.
Figure 49.
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相關代理商/技術參數 |
參數描述 |
|---|---|
| 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 |
| 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 |
| 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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