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参数资料
| 型号： | PGA4311U |
| 英文描述： | 4 CHANNEL AUDIO VOLUME CONTROL |
| 中文描述： | 4通道音频音量控制 |
| 文件页数： | 7/15页 |
| 文件大小： | 481K |
| 代理商： | PGA4311U |
SBOS230A
–
MARCH 2002
–
REVISED JUNE 2002
www.ti.com
7
Figure 1. PGA4311 Block Diagram.
If during normal operation the power supply voltage
drops below
±
3.2V, the circuit enters a hardware MUTE
state. A power-up sequence will be initiated if the
power-supply voltage returns to greater than
±
3.2V.
ANALOG INPUTS AND OUTPUTS
The PGA4311 includes four independent channels.
Each channel has a corresponding input and output pin.
The input and output pins are unbalanced, and refer-
enced to analog ground.
The input and output pins may swing within 1.25V of the
analog power supplies, V
A
+ and V
A
–
. Given V
A
+ = +5V
and V
A
–
=
–
5V, the maximum input or output voltage
range is 7.5Vp-p.
For optimal performance, it is best to drive the PGA4311
with a low source impedance. A source impedance of
600
or less is recommended. Source impedances up
to 2k
will cause minimal degradation of THD+N. Please
refer to the
“
THD+N vs Source Impedance
”
plot in the
Typical Characteristics section of the datasheet.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| PGA4311U | 制造商:Texas Instruments 功能描述:AUDIO VOLUME CONTROL 4311 SOIC28 |
| PGA4311U/1K | 功能描述:音频放大器 Multich FSK/OOK CMOS RF Transceiver 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 |
| PGA4311U/1KG4 | 功能描述:音频放大器 IEEE 802.15.4 RF Transceiver 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 |
| PGA4311U2 | 制造商:BB 制造商全称:BB 功能描述:4-Channel Audio Volume Control |
| PGA4311UA | 功能描述:音频放大器 4-Ch +/-5V 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 |
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