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参数资料
| 型号： | PGA4311UG4 |
| 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： | 1/15页 |
| 文件大小： | 579K |
| 代理商： | PGA4311UG4 |
SBOS230A – MARCH 2002 – REVISED JUNE 2002
1
FEATURES
DIGITALLY-CONTROLLED ANALOG VOLUME
CONTROL:
Four Independent Audio Channels
Serial Control Interface
Zero Crossing Detection
Mute Function
WIDE GAIN AND ATTENUATION RANGE:
+31.5dB to –95.5dB with 0.5dB Steps
LOW NOISE AND DISTORTION:
120dB Dynamic Range
0.0004% THD+N at 1kHz (U–Grade)
0.0002% THD+N at 1kHz (A–Grade)
NOISE-FREE LEVEL TRANSITIONS
LOW INTERCHANNEL CROSSTALK:
–130dBFS
POWER SUPPLIES:
±
5V Analog, +5V Digital
AVAILABLE IN AN SOP-28 PACKAGE
APPLICATIONS
AUDIO AMPLIFIERS
MIXING CONSOLES
MULTI–TRACK RECORDERS
BROADCAST STUDIO EQUIPMENT
MUSICAL INSTRUMENTS
EFFECTS PROCESSORS
A/V RECEIVERS
CAR AUDIO SYSTEMS
DESCRIPTION
The PGA4311 is a high–performance, 4-channel audio
volume control designed for professional and high-end
consumer audio systems. Using high performance
operational amplifier stages internal to the PGA4311
yields low noise and distortion, while providing the
capability to drive 600
loads directly without buffering.
The 3-wire serial control interface allows for connection
to a wide variety of host controllers, in addition to
support for daisy-chaining of multiple PGA4311
devices.
www.ti.com
semiconductor products and disclaimers thereto appears at the end of this data sheet.
Copyright
2002, Texas Instruments Incorporated
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Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas Instruments
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