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Contents

README

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ADS1255IDBT

Texas Instruments · Analog To Digital Converters (ADC) · SSOP-20-208mil

ADS1255IDBT from Texas Instruments, in a SSOP-20-208mil. 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; supply range 4.75 to 5.25V.
2 AGND power_in Analog ground.
3 VREFN input Negative reference input for analog-to-digital conversion.
4 VREFP input Positive reference input for analog-to-digital conversion.
5 AINCOM input Analog input common for common-mode reference.
6 AIN0 input Analog input 0.
7 AIN1 input Analog input 1.
8 SYNC/PDWN input Synchronization or power-down input, active low.
9 RESET input Reset input, active low.
10 DVDD power_in Digital power supply; supply range 1.8 to 3.6V.
11 DGND power_in Digital ground.
12 XTAL2 passive Crystal oscillator connection; leave disconnected if external clock input is applied to XTAL1/CLKIN.
13 XTAL1/CLKIN input Crystal oscillator connection or external clock input.
14 CS input Chip select input, active low.
15 DRDY output Data ready output, active low.
16 DOUT tri_state Serial data output; goes high impedance when CS is high.
17 DIN input Serial data input.
18 SCLK input Serial clock input.
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: ADS1255IDBT
  • Footprint: Package_SO:SSOP-20_5.3x7.2mm_P0.65mm
  • 3D model: SSOP-20-208mil (KiCad packages3D, STEP)
  • 3D model files: ads1255idbt-etched.step / ads1255idbt-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); ads1255idbt.step / ads1255idbt.glb are the bare package body.

Provenance

Data extracted from the manufacturer datasheet, not a distributor listing:

  • Datasheet: Texas Instruments datasheet (49 pp, sha256 9da3323db162b593, retrieved 2026-10-01, tier: lcsc)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-haiku-4-5-20251001 (text), consensus claude-sonnet-5-5 (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