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参数资料
| 型号： | TPA2016D2YZHR |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | 音频／视频放大 |
| 英文描述： | 2.8 W, 2 CHANNEL, AUDIO AMPLIFIER, BGA16 |
| 封装： | 2.20 X 2.20 MM, GREEN, DSBGA-16 |
| 文件页数： | 3/38页 |
| 文件大小： | 1216K |
| 代理商： | TPA2016D2YZHR |
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APPLICATION INFORMATION
AUTOMATIC GAIN CONTROL
www.ti.com........................................................................................................................................................ SLOS524D – JUNE 2008 – REVISED AUGUST 2009
The Automatic Gain Control (AGC) feature provides continuous automatic gain adjustment to the amplifier
through an internal PGA. This feature enhances the perceived audio loudness and at the same time prevents
speaker damage from occurring (Limiter function).
The AGC function attempts to maintain the audio signal gain as selected by the user through the Fixed Gain,
Limiter Level, and Compression Ratio variables. Other advanced features included are Maximum Gain and Noise
Gate Threshold. Table 1 describes the function of each variable in the AGC function.
Table 1. TPA2016D2 AGC Variable Descriptions
VARIABLE
DESCRIPTION
Maximum Gain
The gain at the lower end of the compression region.
Fixed Gain
The normal gain of the device when the AGC is inactive.
The fixed gain is also the initial gain when the device comes out of shutdown mode or when the AGC is
disabled.
Limiter Level
The value that sets the maximum allowed output amplitude.
Compression Ratio
The relation between input and output voltage.
Noise Gate Threshold
Below this value, the AGC holds the gain to prevent breathing effects.
Attack Time
The minimum time between two gain decrements.
Release Time
The minimum time between two gain increments.
Hold Time
The time it takes for the very first gain increment after the input signal amplitude decreases.
Copyright 2008–2009, Texas Instruments Incorporated
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Product Folder Link(s): TPA2016D2
相关PDF资料 |
PDF描述 |
|---|---|
| TPA2016D2YZHT | 2.8 W, 2 CHANNEL, AUDIO AMPLIFIER, BGA16 |
| TPA2016D2RTJR | 2.8 W, 2 CHANNEL, AUDIO AMPLIFIER, PQCC20 |
| TPA2016D2RTJT | 2.8 W, 2 CHANNEL, AUDIO AMPLIFIER, PQCC20 |
| TPA2017D2RTJR | 2.8 W, 2 CHANNEL, AUDIO AMPLIFIER, PQCC20 |
| TPA2017D2RTJT | 2.8 W, 2 CHANNEL, AUDIO AMPLIFIER, PQCC20 |
相关代理商/技术参数 |
参数描述 |
|---|---|
| TPA2016D2YZHT | 功能描述:音频放大器 1.7W/Ch Stereo Class D Aud Amp RoHS:否 制造商:STMicroelectronics 产品:General Purpose Audio Amplifiers 输出类型:Digital 输出功率: THD + 噪声: 工作电源电压:3.3 V 电源电流: 最大功率耗散: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:TQFP-64 封装:Reel |
| TPA2016DYZHT2 | 制造商:Texas Instruments 功能描述: |
| TPA2017D2 | 制造商:TI 制造商全称:Texas Instruments 功能描述:2.8-W/Ch Stereo Class-D Audio Amplifier with SmartGainTM Dynamic Range Compression and AGC |
| TPA2017D2RTJEVM | 功能描述:音频 IC 开发工具 TPA2017D2 Eval Mod RoHS:否 制造商:Texas Instruments 产品:Evaluation Kits 类型:Audio Amplifiers 工具用于评估:TAS5614L 工作电源电压:12 V to 38 V |
| TPA2017D2RTJR | 功能描述:音频放大器 2.8W/Ch Stereo Class-D Audio Amp RoHS:否 制造商:STMicroelectronics 产品:General Purpose Audio Amplifiers 输出类型:Digital 输出功率: THD + 噪声: 工作电源电压:3.3 V 电源电流: 最大功率耗散: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:TQFP-64 封装:Reel |
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