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TAS5731M是一款30W,高效,数字音频立体声功率放大器,此放大器用于驱动立体声桥接式扬声器。一个串行数据输入可处理最多两个离散音频通道并能与大多数数字音频处理器和MPEG解码器无缝整合。此器件可接受宽范围的输入数据和数据传输速率。一个完全可编程数据路径将这些通道路由至内部扬声器驱动器。
TAS5731M只能作为从属器件,从外部源接收所有时钟。根据输入采样率的不同,TAS5731运行时带有384kHz开关速率至352KHz开关速率间的的脉宽宽度调制(PWM )载波。与四阶噪声整形器结合的过采样可提供一个白噪音基准以及从20Hz至20kHz的出色动态范围。
Audio Input Type |
Architecture |
Speaker Channels (Max) |
Power Stage Supply (Min) (V) |
Power Stage Supply (Max) (V) |
Output Power (W) |
Load (Min) (ohms) |
SNR (dB) |
THD + N @ 1 kHz (%) |
Iq (Typ) (mA) |
Control Interface |
Closed/Open Loop |
Analog Supply (V) (Min) |
Analog Supply (V) (Max) |
Power to Parallel Bridge Tied Load (Max) (W) |
Sampling Rate (Max) (kHz) |
Operating Temperature Range (C) |
Rating |
TAS5731M | TAS5711 | TAS5721 | TAS5755M |
---|---|---|---|
Digital Input | Digital Input | Digital Input | Digital Input |
Class-D | Class-D | Class-D | Class-D |
Stereo | 3 | 3 | 3 |
8 | 8 | 4.5 | 8 |
26.4 | 26 | 26.4 | 26.4 |
30 | 20 | 10 | 50 |
2 | 4 | 4 | 4 |
104 | 106 | 106 | 104 |
0.03 | 0.06 | 0.07 | 0.05 |
27 | 29 | 21 | 32 |
Software | Software | Software | I2C Software |
Open | Open | Open | Open |
3 | 3 | 3 | 8 |
3.6 | 3.6 | 3.6 | 26.4 |
70 | 42.8 | 30 | 70 |
48 | 48 | 48 | 48 |
-40 to 85 | 0 to 85 | 0 to 85 | 0 to 125 |
Catalog | Catalog | Catalog | Catalog |