数据：
PGA4311: 4-Channel Audio Volume Control 数据表 
PGA4311是一款高性能，4声道音量控制，专为专业和高端消费类音频系统而设计。使用PGA4311内部的高性能运算放大器级可以产生低噪声和失真，同时提供驱动600的能力
直接加载而不进行缓冲。 3线串行控制接口允许连接各种主机控制器，此外还支持菊花链连接多个PGA4311器件。
| Number of Channels (#) |
| Power Supply (V) |
| Gain and Attenuation (dB) |
| THD + N @ 1 kHz (%) |
| Interchannel Crosstalk @ 1 kHz (dBFS) |
| Gain Error (Gain=31.5dB) (dB) |
| Dynamic Range (dB) |
| Voltage Swing with Max Supply (Vpp) |
| Load Capacitance (pF) |
| Operating Temperature Range (C) |
| Package Group |
| PGA4311 | PGA2310 | PGA2311 | PGA2320 |
|---|---|---|---|
| 4 | 2 | 2 | 2 |
| +/-5 | +/-15 | +/-5 | +/-15 |
| +31.5 to -95.5 with 0.5dB steps | +31.5 to -95.5 with 0.5dB steps | +31.5 to -95.5 with 0.5dB steps | +31.5 to -95.5 with 0.5dB steps |
| 0.0002 | 0.0004 | 0.0002 | 0.0003 |
| -130 | -126 | -130 | -126 |
| ±0.05 | ±0.05 | ±0.05 | ±0.1 |
| 120 | 120 | 120 | 120 |
| 7.5 | 27 | 7.5 | 28.28 |
| 100 | 1000 | 100 | 1000 |
| -40 to 85 | -40 to 85 | -40 to 85 | -40 to 85 |
| SOIC | PDIP SOIC | PDIP SOIC | SOIC |
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