PGA4311系列介绍资料

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PGA4311

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4 通道、+/-5V 音频音量控制

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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.

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

Number of channels	4
Power supply (V)	+/-5
Gain & attenuation (dB)	+31.5 to -95.5 with 0.5dB steps
Gain error (gain = 31.5 dB) (dB)	±0.05
THD + N at 1 kHz (%)	0.0002
Interchannel crosstalk at 1 kHz (dBFS)	-130
Dynamic range (dB)	120
Voltage swing with max supply (VPP)	7.5
Load capacitance (µF)	0.0001
Operating temperature range (°C)	-40 to 85
Features	Four Independent Audio Channels

SOIC (DW)

184.37 mm² 17.9 x 10.3

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PGA4311

4 通道、+/-5V 音频音量控制

4000-306-326