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ADS9226IRHBT

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Texas Instruments Analog To Digital Converters (ADC), VQFN-32(5x5). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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Contents

README

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ADS9226IRHBT

Texas Instruments · Analog To Digital Converters (ADC) · VQFN-32(5x5)

ADS9226IRHBT from Texas Instruments, in a VQFN-32(5x5). 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 AINP_A input Positive analog input for channel A; absolute input voltage must stay between -0.1 V and AVDD + 0.1 V.
2 AINM_A input Negative analog input for channel A; absolute input voltage must stay between VREFIN - 0.1 V and VREFIN + 0.1 V.
3 NC unconnected No connection; no external connection.
4 GND power_in Device ground.
5 REFIN input Reference voltage input for the ADC; external reference input voltage must be between 1.4 V and AVDD/1.75 - 0.2 V.
6 NC unconnected No connection; no external connection.
7 AINM_B input Negative analog input for channel B; absolute input voltage must stay between VREFIN - 0.1 V and VREFIN + 0.1 V.
8 AINP_B input Positive analog input for channel B; absolute input voltage must stay between -0.1 V and AVDD + 0.1 V.
9 REFM_B input ADC_B negative reference input; externally connect to device GND.
10 REFP_B output Positive output of reference buffer B and ADC_B positive reference input; decouple with a 10-µF capacitor.
11 GND power_in Device ground.
12 AVDD power_in Analog power supply, 4 V to 5.5 V; short pins 12 and 29 together and decouple with 1 µF between pins 11 and 12.
13 CS input Active-low chip-select input; the device takes control of the data bus when CS is low and SDO-xy go Hi-Z when CS is high. Connect pins 13 and 14 together externally.
14 CS input Active-low chip-select input; the device takes control of the data bus when CS is low and SDO-xy go Hi-Z when CS is high. Connect pins 13 and 14 together externally.
15 GND power_in Device ground.
16 SCLK input Clock input for the serial interface; for SCLK above 20 MHz, DVDD must be at least 2.35 V.
17 NC unconnected No connection; no external connection.
18 NC unconnected No connection; no external connection.
19 SDO-1B output Data output 1 for channel B; goes Hi-Z when CS is high.
20 SDO-0B output Data output 0 for channel B; goes Hi-Z when CS is high.
21 NC unconnected No connection; no external connection.
22 NC unconnected No connection; no external connection.
23 SDO-1A output Data output 1 for channel A; goes Hi-Z when CS is high.
24 SDO-0A output Data output 0 for channel A; goes Hi-Z when CS is high.
25 NC unconnected No connection; no external connection.
26 DVDD power_in Interface power supply, 1.65 V to 5.5 V; decouple with 1 µF between pins 27 and 26 and between pins 27 and 28.
27 GND power_in Device ground.
28 DVDD power_in Interface power supply, 1.65 V to 5.5 V; decouple with 1 µF between pins 27 and 28.
29 AVDD power_in Analog power supply, 4 V to 5.5 V; short pins 12 and 29 together and decouple with 1 µF between pins 29 and 30.
30 GND power_in Device ground.
31 REFP_A output Positive output of reference buffer A and ADC_A positive reference input; decouple with a 10-µF capacitor between pins 31 and 32.
32 REFM_A input ADC_A negative reference input; externally connect to device GND.
33 Thermal pad passive Exposed pad (from the footprint; not named in the datasheet pin table).

Key specifications

Parameter Value
Manufacturer Texas Instruments
Package VQFN-32(5x5)
Category Data Acquisition
Pins 33

CAD (KiCad official)

  • Symbol: ADS9226IRHBT
  • Footprint: Package_DFN_QFN:QFN-32-1EP_5x5mm_P0.5mm_EP3.3x3.3mm
  • 3D model: VQFN-32(5x5) (KiCad packages3D, STEP)
  • 3D model files: ads9226irhbt-etched.step / ads9226irhbt-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); ads9226irhbt.step / ads9226irhbt.glb are the bare package body.

Provenance

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

  • Datasheet: Texas Instruments datasheet (37 pp, sha256 518c217e1f38571e, retrieved 2026-10-11, tier: lcsc)
  • Datasheet language: Chinese. Pin names, descriptions, and specs on this page were extracted and translated to English by ds2sf; the linked PDF is the manufacturer original.
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-haiku-5-5 (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