TAS5711: Can use sine wave to MCLK in TAS5711

Lilian Chang

Part Number: TAS5711
Other Parts Discussed in Thread: TAS5705,

Hi team,

Can customer use sine waves as MCLK input signal to the TAS5711 or TAS5705? What's the Vpp Voltage requirements of sine wave? If this is possible to use this way to eliminate EMI issue? Thanks.

over 7 years ago

0 Alex Bhandari-Young over 7 years ago

TI__Mastermind 25845 points

Hi Lilian,

MCLK should be a square wave. Please see the maximum rise/fall time in the datasheet (set at 5ns for the 5711). A sine wave would violate this.

Here are some links for managing EMI with clocks
interferencetechnology.com/.../
www.ti.com/.../scaa031.pdf

Please let me know if you have any more questions about the EMI issue from the customer. They should be able to manage EMI with proper PCB routing and following EMI guidelines.

Regards,

Alex

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TAS5711: Can use sine wave to MCLK in TAS5711