ADM811TARTZ WHITH POWER FAIL

ADM811TARTZ is perfect as Logic Low RESET for ADAU1701 and I use it in different hardware.
I have to modify a hardware with on board ADAU1701 and I need an IC identical to ADM811TARTZ but with integrated also the function POWER FAIL INPUT, to check the level of battery charge.
I do not need to constantly know the charge, but only a level and exactly when the battery reaches the minimum level allowed.
In an old circuit I used the POWER FAIL INPUT of an ADM706 connected as shown in the drawing and it works perfectly.

I had also read somewhere that by the end of the year Analog would start to distribute a DSP similar to ADAU1701 but with the possibility to play audio files as well.
Someone has news and if so what is the DSP

Some advice, thanks

Audio Signal Processors

Supervisory Circuits

Single-Supply Monitors

adm706

SigmaDSP Audio Processors

adau1701

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