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参数资料
| 型号： | PGA2311PG4 |
| 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： | 11/17页 |
| 文件大小： | 653K |
| 代理商： | PGA2311PG4 |
SBOS218A
–
DECEMBER 2001
–
REVISED JUNE 2002
APPLICATIONS INFORMATION
This section includes additional information that is per-
tinent to designing the PGA2311 into an end applica-
tion.
www.ti.com
11
MUTE FUNCTION
Muting can be achieved by either hardware or software
control. Hardware muting is accomplished via the
MUTE input, and software muting by loading all zeroes
into the volume control register.
MUTE disconnects the internal buffer amplifiers from
the output pins and terminates A
OUT
L and A
OUT
R with
10k
resistors to ground. The mute is activated with a
zero crossing detection (independent of the zero cross
enable status) or an 16ms time-out to eliminate any au-
dible
“
clicks
”
or
“
pops
”
. MUTE also initiates an internal
offset calibration.
A software mute is implemented by loading all zeroes
into the volume control register. The internal amplifier
is set to unity gain with the amplifier input connected to
AGND.
RECOMMENDED CONNECTION DIAGRAM
Figure 5 depicts the recommended connections for the
PGA2311. Power-supply bypass capacitors should be
placed as close to the PGA2311 package as physically
possible.
Figure 5. Recommended Connection Diagram.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| 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 |
| PGA2311UA | 制造商:Texas Instruments 功能描述:AUDIO VOLUME CONTROL 2311 SOIC16 制造商:Texas Instruments 功能描述:AUDIO VOLUME CONTROL, 2311, SOIC16 制造商:Texas Instruments 功能描述:AUDIO VOLUME CONTROL, 2311, SOIC16; Audio Control Type:Volume; Supply Voltage Range: 4.75V to 5.25V; Control Interface:Serial, SPI; Audio IC Case Style:SOIC; No. of Pins:16; Operating Temperature Min:-40C; Operating Temperature ;RoHS Compliant: Yes |
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