Open covg daq pcb
Open covg daq pcb is an open source PCB design by lucask07: a 6-layer, 157.8 × 95.2 mm board with 596 components (77 distinct parts). It is built around the ADS8686SIPZAR, OPA1662AIDGKR, OPA2156IDR, DAC80508ZCRTET and more. Filed under audio.
DAQ (ADCs and DACs) PCB for the digital ion channel amplifier project.
This repository houses the KiCad schematic, layout, and BOM for a general-purpose data acquisition board (DAQ) that enables real-time feedback with latencies of < 2 us by direct interfaces of ADCs and DACs to the XEM7310 OpalKelly FPGA module. This DAQ board is designed for a digital feedback implementation of a clamp amplifier for the cut-open vaseline gap (COVG) electrophysiology method and may also find a use for other scientific studies requiring low latency control.
Built around
ADS8686SIPZAROPA1662AIDGKROPA2156IDRDAC80508ZCRTETTMUX6136PWROPA991SIDBVRDNILP38692MPX-5.0/NOPBLP38693MP-3.3/NOPBLM2937IMPX-15/NOPBMAX6070BAUT21+TLP38693MP-1.8/NOPBMC7915BD2TR4GLP38693MP-2.5/NOPB24AA025UIDT-I/SNPCA9306DTR2GNLSX3018DTR2GTXS0108EPWRTCA9555DBRAD7961BCPZOPA325IDBVRTMUX6111PWRAD5453YUJZ-REEL7
Parts list
596 components, 77 distinct parts — part numbers from the project's BOM.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | ADS8686SIPZAR | LQFP-80_14x14mm_P0.65mm | IC1 |
| 6 | OPA1662AIDGKR OPA1662 | VSSOP-8_3.0x3.0mm_P0.65mm | IC2, IC3, IC4, IC5, IC6, IC7 |
| 14 | OPA2156IDR OPA2156xD | SOIC-8_3.9x4.9mm_P1.27mm | U1, U2, U3, U4, U6, U7, U8, U9 +6 |
| 2 | DAC80508ZCRTET DAC80508ZRTER | WQFN-16-1EP_3x3mm_P0.5mm_EP1.6x1.6mm | U5, U58 |
| 4 | TMUX6136PWR | TSSOP-16_4.4x5mm_P0.65mm | U10, U11, U63, U64 |
| 2 | OPA991SIDBVR OPA991S | SOT-23-6 | U12, U65 |
| 1 | DNI | DFN-10-1EP_3x3mm_P0.5mm_EP1.65x2.38mm | U13 |
| 1 | LP38692MPX-5.0/NOPB LP38692MP-5.0 | SOT-223-5 | U14 |
| 1 | LP38693MP-3.3/NOPB LP38693MP-3.3 | SOT-223-5 | U15 |
| 1 | LM2937IMPX-15/NOPB LM2937xMP | SOT-223-3_TabPin2 | U16 |
| 1 | MAX6070BAUT21+T | SOT-23-6_Handsoldering | U17 |
| 1 | LP38693MP-1.8/NOPB LP38693MP-1.8 | SOT-223-5 | U18 |
| 1 | MC7915BD2TR4G | TO-263-3_TabPin2 | U19 |
| 1 | LP38693MP-2.5/NOPB LP38693MP-2.5 | SOT-223-5 | U20 |
| 1 | 24AA025UIDT-I/SN 24AA025UID | SOIC-8_3.9x4.9mm_P1.27mm | U21 |
| 1 | PCA9306DTR2G PCA9306 | TSSOP-8_4.4x3mm_P0.65mm | U22 |
| 1 | NLSX3018DTR2G | TSSOP-20_4.4x6.5mm_P0.65mm | U23 |
| 2 | TXS0108EPWR TXS0108EPW | TSSOP-20_4.4x6.5mm_P0.65mm | U24, U25 |
| 2 | TCA9555DBR TCA9555 | SSOP-24_5.3x8.2mm_P0.65mm | U26, U27 |
| 4 | AD7961BCPZ AD7961BCPZ-RL7 | QFN-32-1EP_5x5mm_P0.5mm_EP3.1x3.1mm | U28, U30, U32, U34 |
Show 57 more
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 4 | OPA325IDBVR OPA325 | SOT-23-5 | U29, U31, U33, U35 |
| 6 | TMUX6111PWR | TSSOP-16_4.4x5mm_P0.65mm | U36, U39, U42, U45, U48, U51 |
| 6 | AD5453YUJZ-REEL7 AD5453 | TSOT-23-8 | U37, U40, U43, U46, U49, U52 |
| 2 | BC856B-7-F BC856 | SOT-23 | Q1, Q2 |
| 4 | 10029449-111RLF HDMI_A | CONN_10029449-111RLF_HDMI_A | J1, J2, J7, J8 |
| 1 | 0022053061 Conn_01x06 | Molex_6Pin_CONN | J3 |
| 1 | 0878331220 Conn_02x06_Odd_Even | PinHeader_2x06_P2.00mm_Horizontal | J9 |
| 1 | 0878331419 Conn_02x07_Odd_Even | PinHeader_2x07_P2.00mm_Horizontal | J10 |
| 2 | CONN_02X12_ODD_EVEN Conn_02x12_Odd_Even | PinHeader_2x12_P2.00mm_Horizontal | J11, J15 |
| 1 | 0877591064 Conn_02x05_Odd_Even | PinHeader_2x05_P2.00mm_Vertical_SMD | J13 |
| 1 | OSTVN12A150 Screw_Terminal_01x12 | TerminalBlock_Phoenix_MPT-0,5-12-2.54_1x12_P2.54mm_Horizontal | J14 |
| 2 | 0733910083 Conn_Coaxial | BU-SMA-G | J16, J17 |
| 1 | PRT-14417 QWIIC_CONNECTOR-1MM | 1X04_1MM_RA | J18 |
| 1 | BTE-040-02-F-D-A OPALKELLY_XEM7310 | OPALKELLY_XEM7310 | OK1 |
| 7 | TestPoint | TestPoint_THTPad_1.5x1.5mm_Drill0.7mm | TP1, TP2, TP3, TP4, TP5, TP6, TP7 |
| 2 | DNI | D_Powermite_AK | D1, D2 |
| 6 | BLM31PG500SN1L Ferrite_Bead | C_1206_3216Metric | FB1, FB2, FB3, FB4, FB5, FB6 |
| 1 | DNI | SRR4018-4R7Y | L1 |
| 1 | DNI | NRS5020T100MMGJ | L2 |
| 1 | DNI | SRR6028-150Y | L3 |
| 117 | CL10B104KA8NFNC 0.1u | C_0603_1608Metric | C1, C2, C3, C4, C5, C6, C7, C8 +109 |
| 18 | CL10C050CB81PNC 5p | C_0603_1608Metric | C11, C178, C195, C196, C197, C198, C199, C200 +10 |
| 3 | TMK107BBJ475MA-T 4.7u | C_0603_1608Metric | C14, C19, C25 |
| 8 | CL10A105KA8NFNC 1u | C_0603_1608Metric | C15, C21, C24, C28, C30, C33, C36, C37 |
| 2 | CC0603JRNPO9BN330 33p | C_0603_1608Metric | C16, C23 |
| 2 | CC0603KRX5R8BB334 0.33u | C_0603_1608Metric | C18, C22 |
| 29 | DNI | C_0603_1608Metric | C20, C49, C50, C51, C52, C53, C54, C55 +21 |
| 2 | TMK212BBJ106MG-T 10u | C_0805_2012Metric | C31, C211 |
| 2 | TAJA105K025RNJ 1u | C_1206_3216Metric | C32, C35 |
| 8 | JMK107ABJ106KAHT 10u | C_0603_1608Metric | C41, C65, C66, C67, C68, C84, C95, C106 |
| 4 | CC0603JRNPO0BN101 100p | C_0603_1608Metric | C47, C90, C101, C112 |
| 3 | GRM21BR70J106KA73L 10u | C_0805_2012Metric | C70, C71, C80 |
| 1 | JMK107ABJ106KA-T 10u | C_0603_1608Metric | C77 |
| 6 | CC0603CRNPO9BN2R0 2p | C_0603_1608Metric | C119, C128, C137, C146, C155, C164 |
| 6 | GRM1885C1H242JA01D 2.4n | C_0603_1608Metric | C122, C131, C140, C149, C158, C167 |
| 24 | RC0603FR-0710KL 10k | R_0603_1608Metric | R1, R2, R3, R4, R15, R16, R17, R18 +16 |
| 16 | RC0603FR-0730K1L 30.1k | R_0603_1608Metric | R5, R6, R7, R8, R19, R20, R21, R22 +8 |
| 23 | RC0603FR-070RL 0 | R_0603_1608Metric | R9, R29, R30, R46, R47, R48, R49, R50 +15 |
| 51 | RC0603FR-0733RL 33 | R_0603_1608Metric | R10, R66, R67, R68, R70, R81, R82, R83 +43 |
| 18 | RC0603FR-0715KL 15k | R_0603_1608Metric | R11, R12, R13, R14, R23, R24, R25, R26 +10 |
| 8 | RG3216P-4703-B-T1 470k | R_1206_3216Metric | R27, R28, R31, R32, R278, R279, R282, R283 |
| 2 | RC0603FR-0710KL 470k | R_0603_1608Metric | R33, R284 |
| 15 | DNI | R_0603_1608Metric | R35, R42, R64, R73, R74, R262, R263, R264 +7 |
| 2 | RC0603FR-074K7L 4.7k | R_0603_1608Metric | R37, R41 |
| 9 | RC0603FR-07100KL 100k | R_0603_1608Metric | R38, R39, R40, R44, R45, R58, R60, R62 +1 |
| 14 | RC0603FR-073K3L 3.3k | R_0603_1608Metric | R51, R52, R54, R55, R57, R59, R61, R63 +6 |
| 40 | RC0603FR-071KL 1k | R_0603_1608Metric | R53, R56, R92, R93, R94, R95, R96, R97 +32 |
| 8 | RC0603FR-07100RL 100 | R_0603_1608Metric | R79, R80, R135, R136, R140, R141, R145, R146 |
| 6 | RC0603FR-0749K9L 49.9k | R_0603_1608Metric | R150, R167, R184, R201, R218, R235 |
| 6 | RC0603FR-07243KL 243k | R_0603_1608Metric | R151, R168, R185, R202, R219, R236 |
| 6 | RC0603FR-07121KL 121k | R_0603_1608Metric | R153, R170, R187, R204, R221, R238 |
| 6 | RC0603FR-0737K4L 37.4k | R_0603_1608Metric | R154, R171, R188, R205, R222, R239 |
| 6 | CRCW06038K25FKEAC 8.25k | R_0603_1608Metric | R155, R172, R189, R206, R223, R240 |
| 6 | CRCW06033K24FKEAC 3.24k | R_0603_1608Metric | R156, R173, R190, R207, R224, R241 |
| 12 | RC0603FR-0720KL 20k | R_0603_1608Metric | R161, R163, R178, R180, R195, R197, R212, R214 +4 |
| 6 | RC0603FR-072KL 2k | R_0603_1608Metric | R164, R181, R198, R215, R232, R249 |
| 2 | RC0603FR-0749R9L 49.9 | R_0603_1608Metric | R287, R288 |
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