PGA2310 Texas instruments

PGA2310

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PGA2310

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Описание

The PGA2310 is a high-performance, stereo audio volume control designed for professional and high-end consumer audio systems. The ability to operate from ±15-V analog power supplies enables the PGA2310 to process input signals with large voltage swings, thereby preserving the dynamic range available in the overall signal path. Using high performance operational amplifier stages internal to the PGA2310 yields low noise and distortion, while providing the capability to drive 600-Ω loads directly without buffering. The three-wire serial control interface allows for connection to a wide variety of host controllers, in addition to support for daisy-chaining multiple PGA2310 devices.

Digitally-Controlled Analog Volume Control:
- Two Independent Audio Channels
- Serial Control Interface
- Zero Crossing Detection
- Mute Function
Wide Gain and Attenuation Range: 31.5 dB to
–95.5 dB With 0.5-dB Steps
Low Noise and Distortion:
- 120-dB Dynamic Range
- 0.0004% THD+N at 1 kHz
Low Interchannel Crosstalk: –126 dBFS
Noise-Free Level Transitions
Power Supplies: 15-V Analog, 5-V Digital
Available in DIP–16 and SOL–16 Packages
Pin and Software Compatible With the PGA2311
and Cirrus Logic CS3310™

Number of channels	2
Power supply (V)	+/-15
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 (%)	0.0004
Interchannel crosstalk at 1 kHz (dBFS)	-126
Dynamic range (dB)	120
Voltage swing with max supply (VPP)	27
Load capacitance (µF)	0.001
Operating temperature range (°C)	-40 to 85
Features	Two Independent Audio Channels