Part Number: LM4990 Hi Sir/Madam,
Part# LM4990MH/NOPB
Please help to confirm the date code and Country of Origin on following top markings:
If "year" cannot be confirmed, please kindly advise the "month" or "week" if available.…
Part Number: LM4990 Audio team,
For the LM4990MH/NOPB, I see the comment in the datasheet about connecting the thermal pad to a thermal plane. Should that thermal plane be ground? (Is it connected to GND internally?)
Also, the dimensions of the thermal…
Part Number: LM4990 Hey,
I have installed the Audio amplifier and sound should be considerably low.
I have used CDS-25148-L100 sa speaker.
please do needful to improve the audio quality
Hi,
I have been connected the speaker in the single ended and differential configuration. Now, we are working in differential configuration, and observed that, there should always a voltage of 1.75 V across the output pins of the LM4990(even when there…
Other Parts Discussed in Thread: LM4990 Hi There
We are considering using a LM4990 as a driver. The signal it is driving is 1 kHz sine wave with stepped amplitudes (IRIG) which is generated by a DAC.
From my reading of the data sheet, the AMP can drive…
Part Number: LM4902 Other Parts Discussed in Thread: LM4990 , LM4890 Hi team,
I'd like to know your answer about each of LM4902, LM4890, and LM4990. How long does it take to output after wake up from the shutdown mode? *There is always an input signal…
Part Number: PGA2505 Other Parts Discussed in Thread: LM4864 , LM4990 , LM3914 , PGA2500 Hi Team,
would you help review our customer schematic and several questions below?
1. Input is from MIC XLR differential signal , and PGA2505 output is single ended…
Hi, Jonata,
The LM4951A could be an alternative for the LM4990, it supports higher power supply voltage (9V):
www.ti.com/.../LM4951A
If you are looking for a 12V level, the LM4952, LM4950 or LM4752 could be other solutions.
Best regards,
Luis Fernando…
Part Number: PCM2704C Other Parts Discussed in Thread: LM4990 , I'm utilizing the PCM2704C DAC with USB interface along with the LM4990 audio power amplifier for a current PCB design. Does anyone know if SPICE files exist for these so that I can import…