component
ADS1256IDBT
Public Made by Adomby adom
Texas Instruments Analog To Digital Converters (ADC), SSOP-28-208mil. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
3D Model
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Symbol & Footprint
Schematic Symbol
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PCB Footprint
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Datasheet
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README
markdownADS1256IDBT
Texas Instruments · Analog To Digital Converters (ADC) · SSOP-28-208mil
ADS1256IDBT from Texas Instruments, in a SSOP-28-208mil. Pinout and pin descriptions extracted from the manufacturer datasheet (extract_pins, cross-checked by a second model); symbol, footprint, and 3D from KiCad-official CAD.
Pinout
| Pin | Name | Type | Function |
|---|---|---|---|
| 1 | AVDD | power_in | Analog power supply, 4.75 to 5.25V operating range. |
| 2 | AGND | power_in | Analog ground. |
| 3 | VREFN | input | Negative reference input; voltage range -0.1V to AVDD+0.1V. |
| 4 | VREFP | input | Positive reference input; voltage range -0.1V to AVDD+0.1V. |
| 5 | AINCOM | input | Analog input common reference; voltage range -0.1V to AVDD+0.1V. |
| 6 | AIN0 | input | Differential or single-ended analog input 0; voltage range -0.1V to AVDD+0.1V. |
| 7 | AIN1 | input | Differential or single-ended analog input 1; voltage range -0.1V to AVDD+0.1V. |
| 8 | AIN2 | input | Differential or single-ended analog input 2; voltage range -0.1V to AVDD+0.1V. |
| 9 | AIN3 | input | Differential or single-ended analog input 3; voltage range -0.1V to AVDD+0.1V. |
| 10 | AIN4 | input | Differential or single-ended analog input 4; voltage range -0.1V to AVDD+0.1V. |
| 11 | AIN5 | input | Differential or single-ended analog input 5; voltage range -0.1V to AVDD+0.1V. |
| 12 | AIN6 | input | Differential or single-ended analog input 6; voltage range -0.1V to AVDD+0.1V. |
| 13 | AIN7 | input | Differential or single-ended analog input 7; voltage range -0.1V to AVDD+0.1V. |
| 14 | SYNC/PDWN | input | Active-low synchronization or power-down input; Schmitt-trigger, 5V tolerant, minimum pulse width 4 τCLKIN. |
| 15 | RESET | input | Active-low reset input; Schmitt-trigger, 5V tolerant, minimum pulse width 4 τCLKIN. |
| 16 | DVDD | power_in | Digital power supply, 1.8 to 3.6V operating range. |
| 17 | DGND | power_in | Digital ground. |
| 18 | XTAL2 | passive | Crystal oscillator connection; leave floating when using external clock on XTAL1/CLKIN. |
| 19 | XTAL1/CLKIN | input | Crystal oscillator connection or external clock input (0.1 to 10MHz); 5V tolerant. |
| 20 | CS | input | Active-low chip select input; Schmitt-trigger, 5V tolerant, can be permanently tied low. |
| 21 | DRDY | output | Active-low data ready output; indicates when valid conversion data is ready. |
| 22 | DOUT | tri_state | Serial data output with high impedance when CS is high; output on rising SCLK edge. |
| 23 | DIN | input | Serial data input; Schmitt-trigger, 5V tolerant, shifted in on SCLK falling edge. |
| 24 | SCLK | input | Serial clock input; Schmitt-trigger, 5V tolerant, minimum pulse width 200ns high and low. |
| 25 | D0/CLKOUT | bidirectional | Digital I/O 0 or programmable clock output; configurable as input or output, default enabled as fCLKIN clock output. |
| 26 | D1 | bidirectional | Digital I/O 1; configurable as input or output through IO register. |
| 27 | D2 | bidirectional | Digital I/O 2; configurable as input or output through IO register. |
| 28 | D3 | bidirectional | Digital I/O 3; configurable as input or output through IO register. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Texas Instruments |
| Package | SSOP-28-208mil |
| Category | Data Acquisition |
| Pins | 28 |
CAD (KiCad official)
- Symbol:
ADS1256IDBT - Footprint:
Package_SO:SSOP-28_5.3x10.2mm_P0.65mm - 3D model: SSOP-28-208mil (KiCad packages3D, STEP)
- 3D model files:
ads1256idbt-etched.step/ads1256idbt-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);ads1256idbt.step/ads1256idbt.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 2026-09-26, tier: lcsc) - Extractor: parts-factory
2.0.0/extract_pins 0.2, primaryclaude-haiku-4-5-20251001(text), consensusclaude-sonnet-4-6(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).