
Mainboard v2 r1
Benjamin-girard-1/geophys_acquisition_module
Modular ESP32-S3 geophysical data-acquisition system with custom hardware, multi-channel ADC, GNSS, IMU, removable analog sensor cards, firmware, and host tools
Analog DevicesExtended
-40℃~+105℃ 1.8V~3.6V 108dB 10ppm/℃ 16kHz 2.5V 24 4.096MHz、8.192MHz 4kHz、16kHz 8 Built-in Built-in Built-in SPI Sigma-Delta Support Yes LFCSP-64 Analog to Digital Converters (ADC) ROHS
The AD7779ACPZ is an analog To Digital Converter made by Analog Devices in a LFCSP-64 package with 65 pins. -40℃~+105℃ 1.8V~3.6V 108dB 10ppm/℃ 16kHz 2.5V 24 4.096MHz、8.192MHz 4kHz、16kHz 8 Built-in Built-in Built-in SPI Sigma-Delta Support Yes LFCSP-64 Analog to Digital Converters (ADC) ROHS.
PCBKit's library has its KiCad symbol (Analog_ADC:AD7779, from KiCad's library) and its footprint (Package_DFN_QFN:QFN-64-1EP_9x9mm_P0.5mm_EP7.65x7.65mm, from KiCad's library), ready for a KiCad board. 7 are in stock at JLCPCB (part C398822). 6 open-source boards in 3 repositories on GitHub use it.
| Pin | Name | Type |
|---|---|---|
| 1 | AIN0- | Input |
| 2 | AIN0+ | Input |
| 3 | AIN1- | Input |
| 4 | AIN1+ | Input |
| 5 | AVSS1A | Power in |
| 6 | AVDD1A | Power in |
| 7 | REF1- | Input |
| 8 | REF1+ | Input |
| 9 | AIN2- | Input |
| 10 | AIN2+ | Input |
| 11 | AIN3- | Input |
| 12 | AIN3+ | Input |
| 13 | MODE0/GPIO0 | Input/output |
| 14 | MODE1/GPIO1 | Input/output |
| 15 | MODE2/GPIO2 | Input/output |
| 16 | MODE3/ALERT | Input/output |
| 17 | CONVST_SAR | Input |
| 18 | ALERT/CS | Input/output |
| 19 | DCLK2/SCLK | Input |
| 20 | DCLK1/SDI | Input |
| 21 | DCLK0/SDO | Input/output |
| 22 | DGND | Power in |
| 23 | DREGCAP | Passive |
| 24 | IOVDD | Power in |
| 25 | DOUT3 | Input/output |
| 26 | DOUT2 | Input/output |
| 27 | DOUT1 | Output |
| 28 | DOUT0 | Output |
| 29 | DCLK | Output |
| 30 | DRDY | Output |
| 31 | XTAL1 | Passive |
| 32 | XTAL2/MCLK | Input |
| 33 | START | Input |
| 34 | SYNC_OUT | Output |
| 35 | SYNC_IN | Input |
| 36 | RESET | Input |
| 37 | AIN7+ | Input |
| 38 | AIN7- | Input |
| 39 | AIN6+ | Input |
| 40 | AIN6- | Input |
| 41 | REF2+ | Input |
| 42 | REF2- | Input |
| 43 | AVDD1B | Power in |
| 44 | AVSS1B | Power in |
| 45 | AIN5+ | Input |
| 46 | AIN5- | Input |
| 47 | AIN4+ | Input |
| 48 | AIN4- | Input |
| 49 | REF_OUT | Output |
| 50 | AVSS2B | Power in |
| 51 | AREG2CAP | Passive |
| 52 | AVDD2B | Power in |
| 53 | AVSS3 | Power in |
| 54 | FORMAT1 | Input |
| 55 | FORMAT0 | Input |
| 56 | CLK_SEL | Input |
| 57 | VCM | Output |
| 58 | AVDD2A | Power in |
| 59 | AREG1CAP | Passive |
| 60 | AVSS2A | Power in |
| 61 | AVSS4 | Power in |
| 62 | AVDD4 | Power in |
| 63 | AUXAIN+ | Input |
| 64 | AUXAIN- | Input |
| 65 | EPAD(AVSSx) | Power in |

Benjamin-girard-1/geophys_acquisition_module
Modular ESP32-S3 geophysical data-acquisition system with custom hardware, multi-channel ADC, GNSS, IMU, removable analog sensor cards, firmware, and host tools


es-ude/eeg-hardware
Repo of the Custom Hardware Design Files of the EEG-based Gaming Controller



es-ude/eeg-hardware
Repo of the Custom Hardware Design Files of the EEG-based Gaming Controller
Yes. The symbol is Analog_ADC:AD7779 and the footprint Package_DFN_QFN:QFN-64-1EP_9x9mm_P0.5mm_EP7.65x7.65mm, both drawn on this page. PCBKit places them on a board for you when you design with it.
LFCSP-64, with 65 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 C398822, with 7 in stock; the sellers' links on this page open their listings.
Parts like it in the library: the AD7771BCPZ by Analog Devices and the ADAS1000BSTZ by Analog Devices. Check their datasheets: a part that fits the footprint may still differ in its ratings.
6 boards in 3 repositories on GitHub; the most starred are listed on this page, with their KiCad files.