Part Number:TPA3118D2
Dear Sirs,
My customer asked us about SNR of TPA3118D2/TPA3116D2.
The specifications of these data sheets are 102 dB in the Typical condition.
However, when they measure it is said to be very different from 102 dB of spec.
So I measured it with AudioPrecision with EVM of TPA 3118 D 2 and it was Lch: 83 dB, Rch: 92 dB.
The measurement conditions are
Use EVM: TPA 3118 D 2 EVM
Measurement condition: VDD: 24 V
The input signal was adjusted to 1 kHz, and the level was adjusted to be the distortion-free maximum.
Load resistance 4 Ω
Gain: EVM setting as it is: 26 dB
I have the following question.
What is the measurement condition of 1.102 dB?
2. Please let me know if there is anything else you can think about the difference in EVM measured values.
Best Regards,
Y.Hasebe