[参考译文] TAS5755M：EVM 板的测量数据有所不同

https://e2e.ti.com/support/audio-group/audio/f/audio-forum/891198/tas5755m-measuring-data-was-different-with-evm-board

大家好、我们在2.1扬声器系统上应用了 TAS5755、我们测量了最大值 功率输出电平与失真间的关系、但发现性能与 EVM 板不同。  请在下面找到初始数据和测量数据。

！！ TAS570x 的 I2C 配置文件
X1B 00
X06 3F
X1A 0A
X0A 12.
x09 46.
X08 46.
X14 54.
X13交流
x12 54.
X11交流
X0E D1
X20 00 01 77 72
X10 02
X0B 00
X10 02
X1C 02
X19 30.
X25 01 32 45
！！ BiQuad
X50 00 00 00 00
X29 00 7D 12 57 0F 05 DB 51 00 7D 12 57 00 FA 13 89 0F 85 CA 2B
X30 00 7D 12 57 0F 05 DB 51 00 7D 12 57 00 FA 13 89 0F 85 CA 2B
X2A 00 80 00 0F 01 58 F0 00 7E AA A3 00 FE A7 10 0F 81 55 5D
X2B 00 80 00 0F 03 54 5F 00 7C B1 2C 00 FC AB A1 0F 83 4E D4
X2C 00 80 00 0F 03 64 FF 00 7C B1 2C 00 FC 9B 01 0F 83 4E D4
X2D 00 80 00 0F 41 64 FE 00 70 40 C3 00 be 9B 02 0F 8F BF 3D
X2E 00 80 00 0F 8E E4 1E 00 62 37 C5 00 71 1B E2 0F 9D C8 3B
X2F 00 80 00 0F DA 82 7A 00 10 D9 FD 00 25 7D 86 0F EF 26 03
X58 00 88 D6 57 00 1C C4 70 0F E6 4F AB 0F E3 3B 90 00 10 D9 FD
X59 00 8C 21 87 00 8C 8D C2 00 16 2A A0 0F 73 72 3E 0F DD B3 D8

X31 00 80 00 0F 01 58 F0 00 7E AA A3 00 FE A7 10 0F 81 55 5D
x32 00 80 00 0F 03 54 5F 00 7C B1 2C 00 FC AB A1 0F 83 4E D4
X33 00 80 00 0F 03 64 FF 00 7C B1 2C 00 FC 9B 01 0F 83 4E D4
X34 00 80 00 0F 41 64 FE 00 70 40 C3 00 be 9B 02 0F 8F BF 3D
X35 00 80 00 0F 8E E4 1E 00 62 37 C5 00 71 1B E2 0F 9D C8 3B
x36 00 80 00 0F DA 82 7A 00 10 D9 FD 00 25 7D 86 0F EF 26 03
X5C 00 88 D6 57 00 1C C4 70 0F E6 4F AB 0F E3 3B 90 00 10 D9 FD
X5D 00 8C 21 87 00 8C 8D C2 00 16 2A A0 0F 73 72 3E 0F DD B3 D8

X5A 00 00 01 64 00 02 C8 00 00 01 64 00 FD A1 53 0F 82 59 1D
X5B 00 00 00 48 00 00 91 00 00 48 00 FF 3E 6A 0F 80 C0 74

！！ DRC
X3A 00 88 3F 00 7F 77 C0
X3B 00 44 32 00 7F BB CD
X3C 00 44 32 00 7F BB CD
X40 FD AC B5 E3
X41 0F 84 44 45
X42 00 07 3B E7
X46 00 00 03
X39 00 00 00 00 00 00 00 00 00
X3D 00 44 32 00 7F BB CD
X3E 00 44 32 00 7F BB CD
x3f 00 44 32 00 7F BB CD
X43 FD A2 14 90
X44 0F 84 44 44
x45 00 07 CB CE
X46 00 00 03
X52 00 80 00 00 00 00 00 00 00 00 00 00 00
X60 00 00 00 00 80 00 00
X56 00 80 00 00
X53 00 80 00 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 00 80 00 00
X57 00 02 00 00
X51 00 80 00 00 00 00 00 00 00 00 00 00 00
X55 00 80 00 00 00 00 00 00 00 00 00 00 00
X52 00 80 00 00 00 00 00 00 00 00 00 00 00
X1A 0A
X07 FF
X05 84.

使用 EVM 测量已连接的 Tas5755数据、

独立操作时测量数据、

请告知我们应修改哪个寄存器以获得 EVM 结果。  

此致、

Bruce