component
ADS1211U
Public Made by Adomby adom
Texas Instruments Analog To Digital Converters (ADC), SOIC-24-300mil. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
Generated by kicad-footprint-generator · KiCad file format 20260206
| Name | Last updated |
|---|---|
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| viewers | 16h ago |
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| README.md | 16h ago |
ADS1211U
Texas Instruments · Analog To Digital Converters (ADC) · SOIC-24-300mil
ADS1211U from Texas Instruments, in a SOIC-24-300mil. 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 | AIN3N | input | Inverting input for Channel 3 with voltage limits from AGND -0.3V to AVDD +0.3V. |
| 2 | AIN2P | input | Noninverting input for Channel 2 with voltage limits from AGND -0.3V to AVDD +0.3V. |
| 3 | AIN2N | input | Inverting input for Channel 2 with voltage limits from AGND -0.3V to AVDD +0.3V. |
| 4 | AIN1P | input | Noninverting input for Channel 1 with voltage limits from AGND -0.3V to AVDD +0.3V. |
| 5 | AIN1N | input | Inverting input for Channel 1 with voltage limits from AGND -0.3V to AVDD +0.3V. |
| 6 | AGND | power_in | Analog ground reference for all analog circuits. |
| 7 | VBIAS | power_out | Bias voltage output providing +3.3V nominal to external circuits. |
| 8 | CS | input | Chip select input for serial interface synchronization. |
| 9 | DSYNC | input | Control input to synchronize output data of multiple converters. |
| 10 | XIN | input | System clock input for external crystal or oscillator. |
| 11 | XOUT | output | System clock output for crystal or resonator connection. |
| 12 | DGND | power_in | Digital ground reference for all digital circuits. |
| 13 | DVDD | power_in | Digital supply at +5V nominal with range 4.75V to 5.25V, must not exceed AVDD +0.3V. |
| 14 | SCLK | bidirectional | Serial clock input/output for synchronous serial data transfer. |
| 15 | SDIO | bidirectional | Serial data input with capability to function as serial data output. |
| 16 | SDOUT | output | Serial data output for transmission of conversion results with tri-state capability. |
| 17 | DRDY | output | Data ready output signal indicating completion of conversion. |
| 18 | MODE | input | Mode select input determining operation as Master (1) or Slave (0). |
| 19 | AVDD | power_in | Analog supply at +5V nominal with operating range 4.75V to 5.25V. |
| 20 | REFOUT | power_out | Reference voltage output providing +2.5V nominal. |
| 21 | REFIN | input | Reference input with voltage limits from AGND -0.3V to AVDD +0.3V. |
| 22 | AIN4P | input | Noninverting input for Channel 4 with voltage limits from AGND -0.3V to AVDD +0.3V. |
| 23 | AIN4N | input | Inverting input for Channel 4 with voltage limits from AGND -0.3V to AVDD +0.3V. |
| 24 | AIN3P | input | Noninverting input for Channel 3 with voltage limits from AGND -0.3V to AVDD +0.3V. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Texas Instruments |
| Package | SOIC-24-300mil |
| Category | Data Acquisition |
| Pins | 24 |
CAD (KiCad official)
- Symbol:
ADS1211U - Footprint:
Package_SO:SOIC-24W_7.5x15.4mm_P1.27mm - 3D model: SOIC-24-300mil (KiCad packages3D, STEP)
- 3D model files:
ads1211u-etched.step/ads1211u-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);ads1211u.step/ads1211u.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Texas Instruments datasheet (48 pp, sha256
2cc9abe579c33ee4, retrieved 2026-10-07, tier: lcsc) - Extractor: parts-factory
2.0.0/extract_pins 0.3, primaryclaude-haiku-4-5-20251001(text), consensusclaude-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).