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PGA2311
Stereo Audio Volume Control 数据表 
PGA2311器件是一款高性能立体声音量控制器，专为专业和高端消费类音频系统而设计。 PGA2311采用内部高性能运算放大器，可产生低噪声和失真。 PGA2311还可以直接驱动660Ω负载而无需缓冲。 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PGA2311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 |
| PGA2311 | PGA2310 | PGA2320 | PGA4311 |
|---|---|---|---|
| 2 | 2 | 2 | 4 |
| +/-5 | +/-15 | +/-15 | +/-5 |
| +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 | 0.0003 | 0.0002 |
| -130 | -126 | -126 | -130 |
| ±0.05 | ±0.05 | ±0.1 | ±0.05 |
| 120 | 120 | 120 | 120 |
| 7.5 | 27 | 28.28 | 7.5 |
| 100 | 1000 | 1000 | 100 |
| -40 to 85 | -40 to 85 | -40 to 85 | -40 to 85 |
| PDIP SOIC | PDIP SOIC | SOIC | SOIC |
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