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ADS1231ID

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Texas Instruments Analog To Digital Converters (ADC), SOIC-16. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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ADS1231ID

Texas Instruments · Analog To Digital Converters (ADC) · SOIC-16

ADS1231ID from Texas Instruments, in a SOIC-16. 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 DVDD power_in Digital power supply.
2 GND power_in Ground for digital and analog supplies.
3 CLKIN input External clock input: typically 4.9152MHz; tie low to activate internal oscillator.
4 SPEED input Data rate select: 0 = 10SPS, 1 = 80SPS.
5 CAP passive Gain amplifier bypass capacitor connection.
6 CAP passive Gain amplifier bypass capacitor connection.
7 AINP input Positive analog input.
8 AINN input Negative analog input.
9 VREFN input Negative reference input.
10 VREFP input Positive reference input.
11 GND power_in Ground for digital and analog supplies.
12 SW output Low-side power switch.
13 AVDD power_in Analog power supply.
14 PDWN input Power-down: holding this pin low powers down the entire converter and resets the ADC.
15 SCLK input Serial clock: clock out data on the rising edge; also used to initiate Standby mode.
16 DRDY/DOUT output Dual-purpose output: data ready indicates valid data by going low; data output outputs data, MSB first, on the first rising edge of SCLK.

Key specifications

Parameter Value
Manufacturer Texas Instruments
Package SOIC-16
Category Data Acquisition
Pins 16

CAD (KiCad official)

  • Symbol: ADS1231ID
  • Footprint: Package_SO:SOIC-16_3.9x9.9mm_P1.27mm
  • 3D model: SOIC-16 (KiCad packages3D, STEP)
  • 3D model files: ads1231id-etched.step / ads1231id-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); ads1231id.step / ads1231id.glb are the bare package body.

Provenance

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

  • Datasheet: Texas Instruments datasheet (24 pp, sha256 37a2ab763b8d0e7d, retrieved 2026-10-07, tier: manufacturer)
  • 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