
Teensy eurorack
newdigate/teensy-control-voltage
Hardware Design: 16 channel analog control voltage shield for teensy 4.1; 8ch in / 8ch out; +-10V @ 16bits/sample;
Analog DevicesExtended
-40℃~+85℃ 0.5LSB 10ppm/℃ 16 16000uA 2.3V~5.25V 2.5V 8 Built-in、External SPI LQFP-64(10x10) ADCs/DACs - Special Purpose ROHS
The AD7606BSTZ is an ADCs, DACs Special Purpose made by Analog Devices in a LQFP-64(10x10) package with 64 pins. -40℃~+85℃ 0.5LSB 10ppm/℃ 16 16000uA 2.3V~5.25V 2.5V 8 Built-in、External SPI LQFP-64(10x10) ADCs/DACs - Special Purpose ROHS.
PCBKit's library has its KiCad symbol (Analog_ADC:AD7606, from KiCad's library) and its footprint (Package_QFP:LQFP-64_10x10mm_P0.5mm, from KiCad's library), ready for a KiCad board. 5,127 are in stock at JLCPCB (part C398827). 5 open-source boards in 5 repositories on GitHub use it.

newdigate/teensy-control-voltage
Hardware Design: 16 channel analog control voltage shield for teensy 4.1; 8ch in / 8ch out; +-10V @ 16bits/sample;

newdigate/teensy-eurorack
Hardware Design: Eurorack shield for teensy 4.1 with 14 in / 16 out analog channels

MarkWestbroek/MusicBrain
A central brain running on teensy or a lighter MCU to process any control signals (MIDI, CV, our own) into the same but adding logic, ADSRs, DCOs, CV matrices etc. to it

shadowfax-505/afo-recorder
AFO research recorder: six EMG and IMU configurations, interactive assembly guides and engineering packages

Yes. The symbol is Analog_ADC:AD7606 and the footprint Package_QFP:LQFP-64_10x10mm_P0.5mm, both drawn on this page. PCBKit places them on a board for you when you design with it.
LQFP-64(10x10), with 64 pins. Its footprint is drawn on this page.
Analog Devices publishes it: the Datasheet link on this page opens it.
JLCPCB lists it as part C398827, with 5,127 in stock; the sellers' links on this page open their listings.
Parts like it in the library: the AD7606BBSTZ-RL by Analog Devices, the AD7606BSTZ-RL by Analog Devices, the AD7606BSTZ-4RL by Analog Devices and the AD7606BSTZ-4 by Analog Devices. Check their datasheets: a part that fits the footprint may still differ in its ratings.
5 boards in 5 repositories on GitHub; the most starred are listed on this page, with their KiCad files.