# Módulo ADS1299 ESP32 Aislado ## Description Módulo de adquisición biopotencial basado en ADS1299 de Texas Instruments con ESP32 por SPI, fuentes analógicas/digitales separadas y aislamiento entre dominios. ## Project Details - **Owner:** munnus - **Created:** 5/28/2026 - **Last Updated:** 5/28/2026 - **Visibility:** Public - **Copies:** 1 ## Key Components ### D1 — [TPD8F003DQDR](https://www.flux.ai/lcsc/tpd8f003dqdr~hnbr.md) - Product Info Url: https://lcsc.com/product-detail/EMI-RFI-Filters-LC-RC-Networks_Texas-Instruments-Texas-Instruments-TPD8F003DQDR_C473368.html - Package or Case Code: UDFN-16_L3.3-W1.4-P0.40-BL-EP - Part Type: EMI Filters (LC, RC Networks) - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/1912272106_Texas-Instruments-TPD8F003DQDR_C473368.pdf - Role Details: 8-channel low-capacitance ESD/EMI protection for electrode connector lines 1-8 - Manufacturer Part Number: TPD8F003DQDR - Role: Protection - JLCPCB Part Class: Extended Part - Manufacturer Name: TI(德州仪器) - LCSC Part Number: C473368 **Pins:** - Ch1_In [pin 1] - Ch1_Out [pin 16] - Ch2_In [pin 2] - Ch2_Out [pin 15] - Ch3_In [pin 3] - Ch3_Out [pin 14] - Ch4_In [pin 4] - Ch4_Out [pin 13] - Ch5_In [pin 5] - Ch5_Out [pin 12] - Ch6_In [pin 6] - Ch6_Out [pin 11] - Ch7_In [pin 7] - Ch7_Out [pin 10] - Ch8_In [pin 8] - Ch8_Out [pin 9] - PAD [pin 17] ### D2 — [TPD8F003DQDR](https://www.flux.ai/lcsc/tpd8f003dqdr~hnbr.md) - Role: Protection - LCSC Part Number: C473368 - Manufacturer Name: TI(德州仪器) - Part Type: EMI Filters (LC, RC Networks) - Role Details: 8-channel low-capacitance ESD/EMI protection for electrode connector lines 9-16 - Package or Case Code: UDFN-16_L3.3-W1.4-P0.40-BL-EP - Manufacturer Part Number: TPD8F003DQDR - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/1912272106_Texas-Instruments-TPD8F003DQDR_C473368.pdf - Product Info Url: https://lcsc.com/product-detail/EMI-RFI-Filters-LC-RC-Networks_Texas-Instruments-Texas-Instruments-TPD8F003DQDR_C473368.html - JLCPCB Part Class: Extended Part **Pins:** - Ch1_In [pin 1] - Ch1_Out [pin 16] - Ch2_In [pin 2] - Ch2_Out [pin 15] - Ch3_In [pin 3] - Ch3_Out [pin 14] - Ch4_In [pin 4] - Ch4_Out [pin 13] - Ch5_In [pin 5] - Ch5_Out [pin 12] - Ch6_In [pin 6] - Ch6_Out [pin 11] - Ch7_In [pin 7] - Ch7_Out [pin 10] - Ch8_In [pin 8] - Ch8_Out [pin 9] - PAD [pin 17] ### J1 — [USB4215-03-A](https://www.flux.ai/adrian95/usb4215-03-a~kg3.md) - Datasheet URL: https://gct.co/files/specs/usb4215-spec.pdf - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Name: GCT - Part Type: USB C - Manufacturer Part Number: USB4215-03-A - Package or Case Code: GCT_USB4215-03-A_REVA - Symbol Style: parametric-v1 **Pins:** - CC1 [pin A5] - CC2 [pin B5] - DN1 [pin A7] - DN2 [pin B7] - DP1 [pin A6] - DP2 [pin B6] - GND_A [pin A1_B12] - GND_B [pin B1_A12] - SBU1 [pin A8] - SBU2 [pin B8] - SHIELD [pin SH1] - SHIELD [pin SH4] - SHIELD [pin SH2] - SHIELD [pin SH3] - VBUS_A [pin A4_B9] - VBUS_B [pin B4_A9] ### J2 — [X6521FV-2x10-C85D32](https://www.flux.ai/lcsc/x6521fv-2x10-c85d32~zuw7.md) - Manufacturer Part Number: X6521FV-2x10-C85D32 - LCSC Part Number: C718226 - Product Info Url: https://lcsc.com/product-detail/Pin-Header-Female-Header_XKB-Connectivity-X6521FV-2-10-C85D32_C718226.html - Part Type: Pin Headers - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/2110111530_XKB-Connection-X6521FV-2x10-C85D32_C718226.pdf - Package or Case Code: HDR-TH_20P-P2.54-V-F-R2-C10-S2.54 - JLCPCB Part Class: Extended Part - Manufacturer Name: XKB Connectivity(中国星坤) **Pins:** - 1 [pin 1] - 10 [pin 10] - 11 [pin 11] - 12 [pin 12] - 13 [pin 13] - 14 [pin 14] - 15 [pin 15] - 16 [pin 16] - 17 [pin 17] - 18 [pin 18] - 19 [pin 19] - 2 [pin 2] - 20 [pin 20] - 3 [pin 3] - 4 [pin 4] - 5 [pin 5] - 6 [pin 6] - 7 [pin 7] - 8 [pin 8] - 9 [pin 9] ### PS1 — [B0505S-1WR3](https://www.flux.ai/lcsc/b0505s-1wr3~em7k.md) - JLCPCB Part Class: Extended Part - Manufacturer Name: TESL*A(清远特斯拉) - LCSC Part Number: C917674 - Package or Case Code: PWRM-TH_TESLA_BXXXXS-1WR2 - Max Input Voltage: 5V - Manufacturer Part Number: B0505S-1WR3 - Operating Temperature: -40 to +85°C - Part Type: Power Modules - Max Output Voltage: 5V - Output Power: 1W - Output Current: 200mA **Pins:** - +VO [pin 4] - 0V [pin 3] - GND [pin 1] - VIN [pin 2] ### U1 — [ADS1299IPAGR](https://www.flux.ai/adrian95/ads1299ipagr~gsz.md) - Datasheet URL: https://www.ti.com/lit/ds/symlink/ads1299.pdf - License: https://creativecommons.org/licenses/by/4.0/ - Part Type: Integrated Circuit - Manufacturer Name: Texas Instruments - Manufacturer Part Number: ADS1299IPAGR **Pins:** - ~CS [pin 39] - ~DRDY [pin 47] - ~PWDN [pin 35] - ~RESET [pin 36] - AVDD_1 [pin 19] - AVDD_2 [pin 22] - AVDD_3 [pin 23] - AVDD_4 [pin 56] - AVDD_5 [pin 59] - AVDD1 [pin 54] - AVSS_1 [pin 20] - AVSS_2 [pin 21] - AVSS_3 [pin 32] - AVSS_4 [pin 57] - AVSS_5 [pin 58] - AVSS1 [pin 53] - BIASIN [pin 62] - BIASINV [pin 61] - BIASOUT [pin 63] - BIASREF [pin 60] - CLK [pin 37] - CLKSEL [pin 52] - DAISY_IN [pin 41] - DGND_1 [pin 33] - DGND_2 [pin 49] - DGND_3 [pin 51] - DIN [pin 34] - DOUT [pin 43] - DVDD_1 [pin 48] - DVDD_2 [pin 50] - GPIO1 [pin 42] - GPIO2 [pin 44] - GPIO3 [pin 45] - GPIO4 [pin 46] - IN1N [pin 15] - IN1P [pin 16] - IN2N [pin 13] - IN2P [pin 14] - IN3N [pin 11] - IN3P [pin 12] - IN4N [pin 9] - IN4P [pin 10] - IN5N [pin 7] - IN5P [pin 8] - IN6N [pin 5] - IN6P [pin 6] - IN7N [pin 3] - IN7P [pin 4] - IN8N [pin 1] - IN8P [pin 2] - NC_1 [pin 27] - NC_2 [pin 29] - RESERVED [pin 64] - RESV1 [pin 31] - SCLK [pin 40] - SRB1 [pin 17] - SRB2 [pin 18] - START [pin 38] - VCAP1 [pin 28] - VCAP2 [pin 30] - VCAP3 [pin 55] - VCAP4 [pin 26] - VREFN [pin 25] - VREFP [pin 24] ### U10 — [INA333AIDGKR](https://www.flux.ai/adrian95/ina333aidgkr~t0s.md) - Part Type: Operational Amplifier (OP-AMP) - Manufacturer Name: Texas Instruments - Package or Case Code: SOP65P490X110-8N - Datasheet URL: http://www.ti.com/lit/ds/symlink/ina333.pdf - Role Details: GSR/electrodermal resistance conditioning, output routed to ESP32 ADC GPIO4 - Manufacturer Part Number: INA333AIDGKR - License: https://creativecommons.org/licenses/by/4.0/ - Role: Amplification **Pins:** - REF [pin 5] - RG_1 [pin 1] - RG_2 [pin 8] - V- [pin 4] - V+ [pin 7] - VIN- [pin 2] - VIN+ [pin 3] - VOUT [pin 6] ### U2 — [ESP32-S3-WROOM-1-N8](https://www.flux.ai/lcsc/esp32-s3-wroom-1-n8~1br6.md) - JLCPCB Part Class: Extended Part - Manufacturer Name: ESPRESSIF(乐鑫) - LCSC Part Number: C2913198 - Part Type: WiFi Modules - Package or Case Code: WIFIM-SMD_ESP32-S3-WROOM-1-N8 - Manufacturer Part Number: ESP32-S3-WROOM-1-N8 **Pins:** - 3V3 [pin 2] - EN [pin 3] - EP [pin 41] - GND [pin 1] - GND [pin 40] - IO0 [pin 27] - IO1 [pin 39] - IO10 [pin 18] - IO11 [pin 19] - IO12 [pin 20] - IO13 [pin 21] - IO14 [pin 22] - IO15 [pin 8] - IO16 [pin 9] - IO17 [pin 10] - IO18 [pin 11] - IO19 [pin 13] - IO2 [pin 38] - IO20 [pin 14] - IO21 [pin 23] - IO3 [pin 15] - IO35 [pin 28] - IO36 [pin 29] - IO37 [pin 30] - IO38 [pin 31] - IO39 [pin 32] - IO4 [pin 4] - IO40 [pin 33] - IO41 [pin 34] - IO42 [pin 35] - IO45 [pin 26] - IO46 [pin 16] - IO47 [pin 24] - IO48 [pin 25] - IO5 [pin 5] - IO6 [pin 6] - IO7 [pin 7] - IO8 [pin 12] - IO9 [pin 17] - RXD0 [pin 36] - TXD0 [pin 37] ### U3 — [ISO7741DWR](https://www.flux.ai/lcsc/iso7741dwr~l0a.md) - Package or Case Code: SOIC-16_L10.3-W7.5-P1.27-LS10.3-BL - LCSC Part Number: C571196 - Product Info Url: https://lcsc.com/product-detail/Digital-Isolators_Texas-Instruments-Texas-Instruments-ISO7741DWR_C571196.html - Part Type: Digital Isolators - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/2410010202_Texas-Instruments-ISO7741DWR_C571196.pdf - Manufacturer Name: TI(德州仪器) - JLCPCB Part Class: Extended Part - Manufacturer Part Number: ISO7741DWR **Pins:** - EN1 [pin 7] - EN2 [pin 10] - GND1 [pin 2] - GND1 [pin 8] - GND2 [pin 9] - GND2 [pin 15] - INA [pin 3] - INB [pin 4] - INC [pin 5] - IND [pin 11] - OUTA [pin 14] - OUTB [pin 13] - OUTC [pin 12] - OUTD [pin 6] - VCC1 [pin 1] - VCC2 [pin 16] ### U4 — [ISO7741DWR](https://www.flux.ai/lcsc/iso7741dwr~l0a.md) - Manufacturer Part Number: ISO7741DWR - JLCPCB Part Class: Extended Part - Manufacturer Name: TI(德州仪器) - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/2410010202_Texas-Instruments-ISO7741DWR_C571196.pdf - Part Type: Digital Isolators - Product Info Url: https://lcsc.com/product-detail/Digital-Isolators_Texas-Instruments-Texas-Instruments-ISO7741DWR_C571196.html - Package or Case Code: SOIC-16_L10.3-W7.5-P1.27-LS10.3-BL - LCSC Part Number: C571196 **Pins:** - EN1 [pin 7] - EN2 [pin 10] - GND1 [pin 2] - GND1 [pin 8] - GND2 [pin 9] - GND2 [pin 15] - INA [pin 3] - INB [pin 4] - INC [pin 5] - IND [pin 11] - OUTA [pin 14] - OUTB [pin 13] - OUTC [pin 12] - OUTD [pin 6] - VCC1 [pin 1] - VCC2 [pin 16] ### U6 — [AP2112K-3.3TRG1](https://www.flux.ai/adrian95/ap2112k-33trg1~zlq.md) - Part Type: Integrated Circuit - Manufacturer Name: Diodes Incorporated - License: https://creativecommons.org/licenses/by/4.0/ - Datasheet URL: https://www.diodes.com/assets/Datasheets/AP2112.pdf - Manufacturer Part Number: AP2112K-3.3TRG1 - Symbol Style: parametric-v1 **Pins:** - EN [pin 3] - GND [pin 2] - NC [pin 4] - VIN [pin 1] - VOUT [pin 5] ### U7 — [TPS62162DSGT](https://www.flux.ai/lcsc/tps62162dsgt~8p4o.md) - LCSC Part Number: C2863597 - Manufacturer Part Number: TPS62162DSGT - JLCPCB Part Class: Extended Part - Symbol Style: parametric-v1 - Role Details: 3.3 V digital rail, budgeted for ESP32 Wi-Fi/BLE peaks up to 1 A sustained capability - Datasheet URL: https://www.lcsc.com/datasheet/C2863597.pdf?spm=wm.sxq.inf.ggs&lcsc_vid=FlkNBAIDRQULVABfFAVZBgZVFVZYBgZSQ1NeBVIFQlExVlNeR1JfUVBRQ1NYVTsOAxUeFF5JWBYZEEoKFBINSQcJGk4dAgUUFAk%3D - Role: Buck Regulator - Package or Case Code: WSON-8_L2.0-W2.0-P0.65-BL-EP - Manufacturer Name: TI(德州仪器) - Part Type: DC-DC Converters **Pins:** - AGND [pin 4] - EN [pin 3] - EP [pin 9] - FB [pin 5] - PG [pin 8] - PGND [pin 1] - SW [pin 7] - VIN [pin 2] - VOS [pin 6] ### U8 — [TPS7A2033PDBVR](https://www.flux.ai/lcsc/tps7a2033pdbvr~89ay.md) - Role: Low-Noise LDO - Datasheet URL: https://www.lcsc.com/datasheet/C2862740.pdf?spm=wm.sxq.inf.ggs&lcsc_vid=FlkNBAIDRQULVABfFAVZBgZVFVZYBgZSQ1NeBVIFQlExVlNRTlhaVFZURllbUzsOAxUeFF5JWBYZEEoKFBINSQcJGk4dAgUUFAk%3D - LCSC Part Number: C2862740 - JLCPCB Part Class: Extended Part - Role Details: ADS1299 AVDD clean low-noise rail from isolated 5 V - Manufacturer Part Number: TPS7A2033PDBVR - Symbol Style: parametric-v1 - Part Type: Power Management - License: https://creativecommons.org/licenses/by/4.0/ - Package or Case Code: SOT-23-5_L2.9-W1.6-P0.95-LS2.8-BR - Manufacturer Name: TI(德州仪器) **Pins:** - EN [pin 3] - GND [pin 2] - IN [pin 1] - NC [pin 4] - OUT [pin 5] ### U9 — [TPS7A2033PDBVR](https://www.flux.ai/lcsc/tps7a2033pdbvr~89ay.md) - Manufacturer Name: TI(德州仪器) - Package or Case Code: SOT-23-5_L2.9-W1.6-P0.95-LS2.8-BR - Part Type: Power Management - License: https://creativecommons.org/licenses/by/4.0/ - Role: Low-Noise LDO - Symbol Style: parametric-v1 - Manufacturer Part Number: TPS7A2033PDBVR - Role Details: ADS1299 DVDD clean rail from isolated 5 V - JLCPCB Part Class: Extended Part - Datasheet URL: https://www.lcsc.com/datasheet/C2862740.pdf?spm=wm.sxq.inf.ggs&lcsc_vid=FlkNBAIDRQULVABfFAVZBgZVFVZYBgZSQ1NeBVIFQlExVlNRTlhaVFZURllbUzsOAxUeFF5JWBYZEEoKFBINSQcJGk4dAgUUFAk%3D - LCSC Part Number: C2862740 **Pins:** - EN [pin 3] - GND [pin 2] - IN [pin 1] - NC [pin 4] - OUT [pin 5] *The full schematic, PCB layout, bill of materials, and interactive design are available at [https://www.flux.ai/munnus/modulo-ads1299-esp32-aislado~ys](https://www.flux.ai/munnus/modulo-ads1299-esp32-aislado~ys).* --- *Generated from [https://www.flux.ai/munnus/modulo-ads1299-esp32-aislado~ys](https://www.flux.ai/munnus/modulo-ads1299-esp32-aislado~ys)*