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PGA2310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。采用±15 V模拟电源供电的能力使PGA2310能够处理具有大电压摆幅的输入信号,从而保留整个信号路径中可用的动态范围。使用PGA2310内部的高性能运算放大器级可以产生低噪声和失真,同时可以直接驱动600Ω负载而无需缓冲。三线串行控制接口允许连接各种主机控制器,此外还支持菊花链式连接多个PGA2310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 |
PGA2310 | PGA2311 | PGA2320 | PGA4311 |
---|---|---|---|
2 | 2 | 2 | 4 |
+/-15 | +/-5 | +/-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 |
0.0004 | 0.0002 | 0.0003 | 0.0002 |
-126 | -130 | -126 | -130 |
±0.05 | ±0.05 | ±0.1 | ±0.05 |
120 | 120 | 120 | 120 |
27 | 7.5 | 28.28 | 7.5 |
1000 | 100 | 1000 | 100 |
-40 to 85 | -40 to 85 | -40 to 85 | -40 to 85 |
PDIP SOIC | PDIP SOIC | SOIC | SOIC |