# Texas Instruments ADS1115IDGSR

16-bit, 860 SPS, 4-channel delta-sigma ADC with PGA, oscillator, reference and I2C, VSSOP-10.

| | |
|---|---|
| Manufacturer | Texas Instruments |
| MPN | ADS1115IDGSR |
| Category | ic (ADC: 16-bit delta-sigma, I2C) |
| Package | VSSOP-10 (TI DGS), 3 x 3 mm, 0.5 mm pitch |
| DigiKey | [296-38849-2-ND](https://www.digikey.com/en/products/detail/texas-instruments/ADS1115IDGSR/2231567) |
| Mouser | [595-ADS1115IDGSR](https://www.mouser.com/ProductDetail/595-ADS1115IDGSR) |
| LCSC | [C37593](https://www.lcsc.com/product-detail/C37593.html) |
| Datasheet | [ads1115.pdf](https://www.ti.com/lit/ds/symlink/ads1115.pdf) |

Distributor numbers and stock from the LEDster-TI BOM, checked 2026-11-02: DigiKey 296-38849-2-ND (stock 32500), Mouser 595-ADS1115IDGSR (stock 5930), LCSC C37593 (stock 11577).

## Files

- `ads1115idgsr.kicad_mod` footprint (KiCad)
- `ads1115idgsr.kicad_sym` symbol (KiCad)
- `ads1115idgsr.step` 3D model (STEP, Z-up, seated on z = 0, centred on the footprint origin)
- `ads1115idgsr.lbr` Fusion / EAGLE library part (adom-lbr from the files above with this page's metadata; no embedded 3D, bind the STEP)

## Provenance

- `ads1115idgsr.kicad_mod`: KiCad `Package_SO:MSOP-10_3x3mm_P0.5mm` footprint (https://gitlab.com/kicad/libraries/kicad-footprints/-/raw/master/Package_SO.pretty/MSOP-10_3x3mm_P0.5mm.kicad_mod), unmodified except the 3D model path (now `ads1115idgsr.step`). sha256/16 of the original: c179dbee33613027.
- `ads1115idgsr.step`: KiCad `Package_SO.3dshapes/MSOP-10_3x3mm_P0.5mm.step` (packages3D), byte-identical copy (sha256/16 b8f88eac3ce221c2). The footprint's (model (offset 0 0 0) (rotate 0 0 0)), so the STEP is already in the footprint frame and no transform was applied. Checked with OpenCascade (step2glb features): Z-up, seated on the board plane, origin = footprint origin.
- Upstream terms: KiCad official library (gitlab.com/kicad/libraries/kicad-footprints, kicad-packages3D and kicad-symbols, master, fetched 2026-11-02). License: CC-BY-SA 4.0 with the KiCad libraries exception (using these files in a design, and distributing the design or its manufacturing output, does not require the design to be licensed under CC-BY-SA). The STEP is KiCad's generic body for this package, not a manufacturer model.
- `ads1115idgsr.kicad_sym`: KiCad `Analog_ADC:ADS1115IDGS` (https://gitlab.com/kicad/libraries/kicad-symbols/-/raw/master/Analog_ADC.kicad_symdir/ADS1115IDGS.kicad_sym), which `extends` `ADS1015IDGS` (https://gitlab.com/kicad/libraries/kicad-symbols/-/raw/master/Analog_ADC.kicad_symdir/ADS1015IDGS.kicad_sym): the extends was resolved (parent graphics and pins, child properties) and the symbol renamed to the MPN. Pins match TI SBAS444E Table 4-1: 1 ADDR, 2 ALERT/RDY, 3 GND, 4-7 AIN0-AIN3, 8 VDD, 9 SDA, 10 SCL.

## Notes

- The KiCad library has no `VSSOP-10_3x3mm_P0.5mm`; VSSOP-10 (TI DGS) and MSOP-10 (JEDEC MO-187 BA) are the same package, so `Package_SO:MSOP-10_3x3mm_P0.5mm` is used. Check against TI DGS0010A (pins_digest.md: 10X 1.45 x 0.3 mm pads, 4.4 mm row spacing): KiCad pads are 1.5 x 0.35 mm at x = +/-2.1 mm (toe edge 2.85 vs TI 2.925 mm, heel edge 1.35 vs 1.475 mm). Usable as is.

## License

Adom-authored content CC-BY-4.0; third-party files keep their upstream terms (see `LICENSE`).