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參數(shù)資料
| 型號(hào)： | PGA4311UA |
| 英文描述： | 4 CHANNEL AUDIO VOLUME CONTROL |
| 中文描述： | 4通道音頻音量控制 |
| 文件頁(yè)數(shù)： | 9/15頁(yè) |
| 文件大小： | 481K |
| 代理商： | PGA4311UA |
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SBOS230A
–
MARCH 2002
–
REVISED JUNE 2002
www.ti.com
9
Figure 3. Serial Interface Timing Requirements.
GAIN SETTINGS
The gain for each channel is set by its corresponding
8-bit code, [7:0] (see Figure 2). The gain code data is
straight binary format. If we let N equal the decimal
equivalent of [7:0], then the following relationships ex-
ist for the gain settings:
For N = 0:
Mute Condition. The input multiplexer is connected to
analog ground.
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.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| PGA4311UA | 制造商:Texas Instruments 功能描述:AUDIO VOLUME CONTROL 4311 SO |
| PGA4311UA/1K | 功能描述:音頻放大器 IEEE 802.15.4 RF Transceiver 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 |
| PGA4311UA/1KG4 | 功能描述:音頻放大器 IEEE 802.15.4 RF Transceiver 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 |
| PGA4311UA1 | 制造商:BB 制造商全稱:BB 功能描述:4-Channel Audio Volume Control |
| PGA4311UAG4 | 功能描述:音頻放大器 4-Ch +/-5V Audio Volume Control 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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