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参数资料
| 型号： | PGA2311PAG4 |
| 英文描述： | Stereo Audio VOLUME CONTROL |
| 中文描述： | 立体声音频音量控制 |
| 文件页数： | 9/17页 |
| 文件大小： | 653K |
| 代理商： | PGA2311PAG4 |
SBOS218A
–
DECEMBER 2001
–
REVISED JUNE 2002
www.ti.com
9
GAIN SETTINGS
The gain for each channel is set by its corresponding
8
–
bit code, either R[7:0] or L[7:0] (see Figure 2). The
gain code data is straight binary format. If we let N
equal the decimal equivalent of R[7:0] or L[7:0], then
the following relationships exist for the gain settings:
For N = 0:
Mute Condition. The input multiplexer is connected to
analog ground (AGNDR or AGNDL).
For N = 1 to 255:
Gain (dB) = 31.5
–
[0.5 w (255
–
N)]
This results in a gain range of +31.5dB (with N = 255)
to
–
95.5dB (with N = 1).
Changes in gain setting may be made with or without
zero crossing detection. The operation of the zero
crossing detector and timeout circuitry is discussed lat-
er in this data sheet.
Figure 3. Serial Interface Timing Requirements.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| PGA2311PG4 | 功能描述:音频放大器 5V Stereo Audio Volume Control 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 |
| PGA2311U | 功能描述:音频放大器 5V Stereo Audio Volume Control 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 |
| PGA2311U/1K | 功能描述:音频放大器 5V Stereo Audio Vol Control 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 |
| PGA2311U/1KG4 | 功能描述:音频放大器 5V Stereo Audio Vol Control 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 |
| PGA2311UA | 功能描述:音频放大器 +/-5V St Aud Vol Control 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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