component
ADS1255IDBR
Public Made by Adomby adom
Texas Instruments Analog To Digital Converters (ADC), SSOP-20-208mil. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
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ADS1255IDBR
Texas Instruments · Analog To Digital Converters (ADC) · SSOP-20-208mil
ADS1255IDBR from Texas Instruments, in a SSOP-20-208mil. Pinout and pin descriptions extracted from the manufacturer datasheet by ds2sf; symbol, footprint, and 3D from KiCad-official CAD.
Pinout
| Pin | Name | Type | Function |
|---|---|---|---|
| 1 | AVDD | power_in | Analog power supply, 4.75 to 5.25 V |
| 2 | AGND | power_in | Analog ground, 0 V reference |
| 3 | VREFN | input | Negative reference input, 0.5 to 2.5 V below VREFP |
| 4 | VREFP | input | Positive reference input, 0.5 to 2.5 V above VREFN |
| 5 | AINCOM | input | Analog input common for single-ended measurements |
| 6 | AIN0 | input | Differential or single-ended analog input 0 |
| 7 | AIN1 | input | Differential or single-ended analog input 1 |
| 8 | SYNC/PDWN | input | Synchronization/power-down input, active low Schmitt-trigger |
| 9 | RESET | input | Reset input, active low Schmitt-trigger |
| 10 | DVDD | power_in | Digital power supply, 1.8 to 3.6 V |
| 11 | DGND | power_in | Digital ground, 0 V reference |
| 12 | XTAL2 | passive | Crystal oscillator connection, leave floating if external clock input is used |
| 13 | XTAL1/CLKIN | input | Crystal oscillator or external clock input, 2 to 10 MHz |
| 14 | CS | input | Chip select input, active low Schmitt-trigger |
| 15 | DRDY | output | Data ready output, active low indicating new conversion data available |
| 16 | DOUT | tri_state | Serial data output, tri-state high impedance when CS is high |
| 17 | DIN | input | Serial data input, Schmitt-trigger |
| 18 | SCLK | input | Serial clock input, Schmitt-trigger |
| 19 | D0/CLKOUT | bidirectional | Digital I/O 0 or clock output, configurable as input or output |
| 20 | D1 | bidirectional | Digital I/O 1, configurable as input or output |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Texas Instruments |
| Package | SSOP-20-208mil |
| Category | Data Acquisition |
| Pins | 20 |
CAD (KiCad official)
- Symbol:
ADS1255IDBR - Footprint:
Package_SO:SSOP-20_5.3x7.2mm_P0.65mm - 3D model: SSOP-20-208mil (KiCad packages3D, STEP)
- 3D model files:
ads1255idbr-etched.step/ads1255idbr-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);ads1255idbr.step/ads1255idbr.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Texas Instruments datasheet (49 pp, sha256
9da3323db162b593, retrieved 2026-09-23, tier: lcsc) - Extractor: parts-factory
2.0.0/extract_pins 0.2, primaryclaude-haiku-4-5-20251001(text), consensusclaude-sonnet-5(agreed), guards: pin_guards 0.1: passed. Pins are checked against the footprint pad set and their cited datasheet pages before publish. - CAD: KiCad official libraries (CC-BY-SA 4.0).
# ADS1255IDBR
**Texas Instruments** · Analog To Digital Converters (ADC) · SSOP-20-208mil
ADS1255IDBR from Texas Instruments, in a SSOP-20-208mil. Pinout and pin descriptions extracted from the manufacturer datasheet by ds2sf; symbol, footprint, and 3D from KiCad-official CAD.
## Pinout
| Pin | Name | Type | Function |
|---|---|---|---|
| 1 | AVDD | power_in | Analog power supply, 4.75 to 5.25 V |
| 2 | AGND | power_in | Analog ground, 0 V reference |
| 3 | VREFN | input | Negative reference input, 0.5 to 2.5 V below VREFP |
| 4 | VREFP | input | Positive reference input, 0.5 to 2.5 V above VREFN |
| 5 | AINCOM | input | Analog input common for single-ended measurements |
| 6 | AIN0 | input | Differential or single-ended analog input 0 |
| 7 | AIN1 | input | Differential or single-ended analog input 1 |
| 8 | SYNC/PDWN | input | Synchronization/power-down input, active low Schmitt-trigger |
| 9 | RESET | input | Reset input, active low Schmitt-trigger |
| 10 | DVDD | power_in | Digital power supply, 1.8 to 3.6 V |
| 11 | DGND | power_in | Digital ground, 0 V reference |
| 12 | XTAL2 | passive | Crystal oscillator connection, leave floating if external clock input is used |
| 13 | XTAL1/CLKIN | input | Crystal oscillator or external clock input, 2 to 10 MHz |
| 14 | CS | input | Chip select input, active low Schmitt-trigger |
| 15 | DRDY | output | Data ready output, active low indicating new conversion data available |
| 16 | DOUT | tri_state | Serial data output, tri-state high impedance when CS is high |
| 17 | DIN | input | Serial data input, Schmitt-trigger |
| 18 | SCLK | input | Serial clock input, Schmitt-trigger |
| 19 | D0/CLKOUT | bidirectional | Digital I/O 0 or clock output, configurable as input or output |
| 20 | D1 | bidirectional | Digital I/O 1, configurable as input or output |
## Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Texas Instruments |
| Package | SSOP-20-208mil |
| Category | Data Acquisition |
| Pins | 20 |
## CAD (KiCad official)
- Symbol: `ADS1255IDBR`
- Footprint: `Package_SO:SSOP-20_5.3x7.2mm_P0.65mm`
- 3D model: SSOP-20-208mil (KiCad packages3D, STEP)
- 3D model files: `ads1255idbr-etched.step` / `ads1255idbr-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `ads1255idbr.step` / `ads1255idbr.glb` are the bare package body.
## Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- **Datasheet:** [Texas Instruments datasheet](https://www.ti.com/cn/lit/gpn/ads1255) (49 pp, sha256 `9da3323db162b593`, retrieved 2026-09-23, tier: lcsc)
- **Extractor:** parts-factory `2.0.0` / `extract_pins 0.2`, primary `claude-haiku-4-5-20251001` (text), consensus `claude-sonnet-5` (agreed), guards: pin_guards 0.1: passed. Pins are checked against the footprint pad set and their cited datasheet pages before publish.
- **CAD:** KiCad official libraries (CC-BY-SA 4.0).
[Datasheet PDF](docs/ads1255idbr-datasheet.pdf)