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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： | 7/38页 |
| 文件大小： | 1216K |
| 代理商： | TPA2016D2YZHR |
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1
Gain change = 1
× Input signal change
Compression ratio
-
÷
è
(3)
1
24 dB =
1
× 32
4
-
÷
è
(4)
V
-dBV
O
U
T
V
-dBV
IN
Increasing
FixedGain
Decreasing
1
:1
2 :
1
4 :1
8 :1
1
:1
2 :
1
4 :1
8 :1
Rotation
Point@
lowergain
Rotation
Point@
highergain
www.ti.com........................................................................................................................................................ SLOS524D – JUNE 2008 – REVISED AUGUST 2009
The gain change equation is:
Consider the following when setting the compression ratio:
Dynamic range of the speaker
Fixed gain level
Limiter Level
Audio Loudness vs Output Dynamic Range.
Figure 30 shows different settings for dynamic range and different fixed gain selected but no limiter level.
Figure 30. Output Signal vs Input Signal State Diagram Showing Different Compression Ratio
Configurations with Different Fixed Gain Configurations
The rotation point is always at Vin = 10dBV. The rotation point is not located at the intersection of the limiter
region and the compression region. By changing the fixed gain the rotation point will move in the y-axis direction
only, as shown in the previous graph.
Interaction between compression ratio and limiter range: The compression ratio can be limited by the limiter
range. Note that the limiter range is selected by the limiter level and the fixed gain.
For a setting with large limiter range, the amount of gain steps in the AGC remaining to perform compression are
limited. Figure 31 shows two examples, where the fixed gain was changed.
1. Small limiter range yielding a large compression region (small fixed gain).
2. Large limiter range yielding a small compression region (large fixed gain).
Copyright 2008–2009, Texas Instruments Incorporated
15
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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