[问答]

用TAS5755M做PBTL，配置文件写入后，AB通道没有输出，接的喇叭有呜呜的杂音，为什么？

问答对人有帮助，内容完整，我也想知道答案 0 你好，我用TAS5755M做PBTL，配置文件写入后，只有CD通道有PWM波形，AB通道没有输出，接的喇叭有声音，但是有呜呜的杂音，同时喇叭很烫。配置文件如下，是配置哪里有问题？谢谢！ ! I2C Configuration file for TAS570x X1B 00 X05 00 X06 00 X0A 3A X09 26 X08 26 X07 30 X14 54 X13 AC X12 54 X11 AC X0E 91 X20 00 01 77 72 X10 02 X0B 00 X10 02 X1C 02 X19 30 X25 01 02 13 45 ! Biquads X50 00 00 00 00 X29 00 80 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 X30 00 80 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 X2A 00 80 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 X2B 00 80 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 X2C 00 80 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 X2D 00 80 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 X2E 00 80 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 X2F 00 80 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 X58 00 80 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 X59 00 80 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 X31 00 80 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 X32 00 80 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 X33 00 80 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 X34 00 80 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 X35 00 80 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 X36 00 80 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 X5C 00 80 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 X5D 00 80 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 X5A 00 00 05 83 00 00 0B 06 00 00 05 83 00 FB 42 C1 0F 84 A7 33 X5B 00 80 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ! DRCs X3A 00 00 44 32 00 7F BB CD X3B 00 02 A3 99 00 7D 5C 65 X3C 00 00 22 19 00 7F DD E1 X40 FD 2D 26 01 X41 0F 82 8F 5D X42 00 08 42 10 X46 00 00 00 03 X39 00 00 00 00 00 00 00 00 X3D 00 7F FF B3 00 00 00 08 X3E 00 7F FF B3 00 00 00 08 X3F 00 7F FF B3 00 00 00 08 X43 FD 6C ED F2 X44 0F 83 33 35 X45 00 08 42 10 X46 00 00 00 03 X52 00 80 00 00 00 00 00 00 00 00 00 00 X60 00 00 00 00 00 80 00 00 X53 00 80 00 00 00 00 00 00 00 00 00 00 00 80 00 00 X54 00 80 00 00 00 00 00 00 00 00 00 00 00 80 00 00 X56 00 80 00 00 X57 00 02 00 00 X51 00 80 00 00 00 00 00 00 00 00 00 00 X55 00 80 00 00 00 00 00 00 00 00 00 00 X52 00 80 00 00 00 00 00 00 00 00 00 00 0 本主题由 Harmony技术专家于 2024-10-12 15:04 审核通过
2024-10-12 08:40:18　　评论淘帖0 邀请回答您可以邀请以下用户，快速回答问题 × 新星之火12138 该类别下有 51 个回答。邀请回答普罗旺斯的薰衣草该类别下有 50 个回答。邀请回答 heks 该类别下有 48 个回答。邀请回答 wang21cj 该类别下有 40 个回答。邀请回答 lksas 该类别下有 40 个回答。邀请回答潘涛12345 该类别下有 39 个回答。邀请回答 fdhsfagd 该类别下有 39 个回答。邀请回答 hgimtk 该类别下有 38 个回答。邀请回答霍威电源该类别下有 36 个回答。邀请回答 chm5 该类别下有 36 个回答。邀请回答 ggfx 该类别下有 36 个回答。邀请回答 kingnet6688 该类别下有 35 个回答。邀请回答 wanglinhua2627 该类别下有 35 个回答。邀请回答 lifei639156 该类别下有 35 个回答，其中被选为最佳答案 1 次。邀请回答站着幻想该类别下有 35 个回答。邀请回答 HengDu 该类别下有 35 个回答。邀请回答 msvdsufsdf 该类别下有 34 个回答。邀请回答 huzp_bbs 该类别下有 34 个回答。邀请回答 kghfh 该类别下有 34 个回答。邀请回答 caoguiqun 该类别下有 33 个回答。邀请回答举报绝代双骄相关推荐 • 请问TAS5755M的过载电流实际是多少？ 338 • 用TAS5731M做PBTL模式遇到的几个疑问求解答 465 • PBTL方式输出的功放如何测量输出波形？ 7536 • TAS5711用GDE生成的EQ cfg配置文件怎么加载到单片机上？ 60 • 使用TAS2560EVM之前是需要先使用Purepath Console 3配置吗？ 163 • 有哪些音质好，没有杂音的微型小喇叭推荐的吗？ 3085 • 用TAS5731M做2.1的时候，左右通道在初始化完成后会出现两下pop，有什么好办法可以解决呢？ 62 • TAS5611A PBTL模式，输入由差分输入改为单端输入这样可以吗？ 63 • 请问TAS5715能否接4欧姆的喇叭？ 120 • TAS5766做L+R单声道输出，DAC-L和DAC-R如何处理较好？ 75 2个回答

答案对人有帮助，有参考价值 0 请查看数据手册9.3.3 Single-Filter PBTL Mode，必须遵循以下列出的PBTL模式配置之一： Register (0x25) be written with a value of 0x0110 3245, Register (0x19) be written with a value of 0x35 Register (0x25) be written with a value of 0x0101 2345, Register (0x19) be written with a value of 0x3A

2024-10-12 15:00:10 评论举报马舒滟

答案对人有帮助，有参考价值 0 根据您提供的配置文件和描述的问题，我们可以分析以下几个可能的原因： 1. 配置文件错误：首先，我们需要检查配置文件是否正确。请确保您使用的是针对TAS5755M的正确配置文件。如果配置文件不正确，可能会导致AB通道没有输出。 2. 硬件连接问题：请检查您的硬件连接是否正确。确保AB通道的喇叭连接正确，并且没有短路或接触不良的情况。此外，检查电源和地线是否连接正确，以确保电路正常工作。 3. 信号干扰：呜呜的杂音可能是由于信号干扰引起的。请检查您的电路是否有屏蔽措施，以减少外部干扰。同时，检查电路中的地线是否接地良好，以减少地线环路引起的干扰。 4. 喇叭过热：喇叭过热可能是由于功率过大或电流过大引起的。请检查您的电路设计，确保喇叭的功率和电流在允许范围内。此外，检查喇叭的散热是否良好，以防止过热。 5. 配置参数问题：在配置文件中，有一些参数可能需要调整。例如，您可以检查I2C地址、通道配置、增益设置等参数是否正确。如果这些参数设置不正确，可能会导致AB通道没有输出或产生杂音。建议您首先检查配置文件和硬件连接，确保它们正确无误。然后，检查电路设计和喇叭散热，以解决过热问题。最后，根据需要调整配置参数，以消除杂音。希望这些建议能帮助您解决问题。

2024-10-12 18:15:34 评论举报李丽