The PGA2311 device is a high-performance, stereo audio volume control designed for professional and high-end consumer audio systems. The PGA2311 uses an internal high-performance operational amplifier to yield low noise and distortion. The PGA2311 also provides the capability to drive 660-Ω 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 PGA2311 devices.
| Number of channels | 2 |
| 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 | Two Independent Audio Channels |
| PDIP (N) | 16 | 181.42 mm² 19.3 x 9.4 |
| SOIC (DW) | 16 | 106.09 mm² 10.3 x 10.3 |
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