Part Number: LM4911Q-Q1 Other Parts Discussed in Thread: PCM1690 , LM4911 Hello Experts,
I am using the LM4911QMM/NOPB with the PCM1690 DAC to have an audio output to a 3.5mm jack. The 8 outputs of the DAC are brought together to be mix-left and mix…
Part Number: LM4911Q-Q1 Other Parts Discussed in Thread: TLV320AIC3109-Q1 Hi Team,
The TLV320AIC3109-Q1 has low output power of 15mW when connected to a 32-ohm headphone. The customer would like to increase the output by connecting to LM4911Q-Q1. Are…
Part Number: LM4911Q-Q1 Hello , Please let me know about pop noise improvement. When SD switches from "L" to "H", Pop noise occurs after about 2.5 sec from SD "H". It is same timing with charging is completed of Cbypass.
CH1: Cbypass(C5), CH2:Output…
Part Number: LM4911Q-Q1 Other Parts Discussed in Thread: TLV320AIC3254-Q1 , OPA1641-Q1 , OPA1612-Q1 , OPA1662-Q1 , OPA1642-Q1 , Dear team,
My customer wants to find a headphone amplifier, and the rating is Automotive. But there is only one device on…
Part Number: LM4911Q-Q1 Dear team,
My customer test the LM4911Q-Q1, when they test the waveform, they found that the wake up time is 5 minutes. The schematic is as below. We tried to reduce the Ci=0.1uF~0.39uF, and remove the C908, C909. But there is…
Part Number: LM4911Q-Q1 Other Parts Discussed in Thread: TPA6138A2 Output power at 32 Ohm is 80mV with 5V VDD. It means, Output voltage is 1.6Vrms(4.5Vp-p).
But, Our customer requested 1.7Vrms output with 600 Ohm Load and 5V VDD. Is it possible to output…
Part Number: LM4911Q-Q1 Dear team,
When testing this device, we find that there will be a pop sound when release mute. If I remove the audio input, when powering on, there is still pop sound. How do I eliminate or reduce the pop sound?
Thanks & Best…
Part Number: LM4911Q-Q1 What ohm is minimum road impedunce of LM4911-Q1?
Our situation is below. Our customer understand that usually headphone impedunce is 16 or 32 ohm. But end customer is requesting them to 10 ohm as minimum load impedunce.
Best…
Part Number: TLV320AIC3109-Q1 Other Parts Discussed in Thread: LM4911Q-Q1 , Hi,
For my SoC based custom board, I need to provide a 3.5mm headset (with mic) support.
I have selected TLV320AIC3109-Q1, a mono audio codec. I am planning to connect 32…