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ADS8355IRTER
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Texas Instruments Analog To Digital Converters (ADC), WQFN-16-EP(3x3). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
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README.mdadded+54@@ -0,0 +1,54 @@+# ADS8355IRTER++**Texas Instruments** · Analog To Digital Converters (ADC) · WQFN-16-EP(3x3)++ADS8355IRTER from Texas Instruments, in a WQFN-16-EP(3x3). 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 | REFIO_A | bidirectional | Reference voltage input/output for channel A; voltage range REFGND_A - 0.3 V to AVDD + 0.3 V, functions as external reference input or internal reference output per REF_SEL register setting. |+| 2 | REFGND_A | power_in | Reference ground for channel A; must be maintained within GND ± 0.3 V per absolute maximum ratings. |+| 3 | REFGND_B | power_in | Reference ground for channel B; must be maintained within GND ± 0.3 V per absolute maximum ratings. |+| 4 | REFIO_B | bidirectional | Reference voltage input/output for channel B; voltage range REFGND_B - 0.3 V to AVDD + 0.3 V, functions as external reference input or internal reference output per REF_SEL register setting. |+| 5 | AINM_B | input | Negative analog input for channel B; voltage range REFGND_B - 0.3 V to AVDD + 0.3 V, connect to GND for single-ended mode or to FSR/2 for pseudo-differential mode per AINM_SEL register. |+| 6 | AINP_B | input | Positive analog input for channel B; voltage range REFGND_B - 0.3 V to AVDD + 0.3 V with full-scale range 0 to VREF_B (default) or 0 to 2×VREF_B per RANGE_SEL bit. |+| 7 | DVDD | power_in | Digital I/O supply voltage; -0.3 V to 6 V absolute maximum with ±10 mA input current limit per pin. |+| 8 | SDI | input | Serial data input for SPI communication; digital input voltage GND - 0.3 V to DVDD + 0.3 V, sampled on SCLK falling edges. |+| 9 | CS | input | Chip-select signal (active low); digital input voltage GND - 0.3 V to DVDD + 0.3 V, forces SDO pins to tri-state when high and triggers ADC conversion. |+| 10 | SCLK | input | Serial clock input for SPI interface; digital input voltage GND - 0.3 V to DVDD + 0.3 V, clocks data out on falling edges. |+| 11 | SDO_A | output | Serial data output for channel A in dual-SDO mode or both channels sequentially in single-SDO mode; digital tri-state output transitions to high-impedance when CS is high. |+| 12 | SDO_B | output | Serial data output for channel B in dual-SDO mode; digital tri-state output transitions to high-impedance when CS is high, driven low in single-SDO mode. |+| 13 | GND | power_in | Device ground; 0 V reference for all voltage measurements and power return path. |+| 14 | AVDD | power_in | Analog supply voltage for ADC operation; -0.3 V to 6 V absolute maximum, must satisfy 2×VREF_A ≤ AVDD when RANGE_SEL = 1. |+| 15 | AINP_A | input | Positive analog input for channel A; voltage range REFGND_A - 0.3 V to AVDD + 0.3 V with full-scale range 0 to VREF_A (default) or 0 to 2×VREF_A per RANGE_SEL bit. |+| 16 | AINM_A | input | Negative analog input for channel A; voltage range REFGND_A - 0.3 V to AVDD + 0.3 V, connect to GND for single-ended mode or to FSR/2 for pseudo-differential mode per AINM_SEL register. |+| 17 | Thermal pad | passive | Exposed pad (from the footprint; not named in the datasheet pin table). |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Texas Instruments |+| Package | WQFN-16-EP(3x3) |+| Category | Data Acquisition |+| Pins | 17 |++## CAD (KiCad official)++- Symbol: `ADS8355IRTER`+- Footprint: `Package_DFN_QFN:QFN-16-1EP_3x3mm_P0.5mm_EP1.7x1.7mm`+- 3D model: WQFN-16-EP(3x3) (KiCad packages3D, STEP)+- 3D model files: `ads8355irter-etched.step` / `ads8355irter-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `ads8355irter.step` / `ads8355irter.glb` are the bare package body.++## Provenance++Data extracted from the manufacturer datasheet, not a distributor listing:++- **Datasheet:** [Texas Instruments datasheet](https://www.ti.com/cn/lit/gpn/ads8355) (43 pp, sha256 `80add76d78296c95`, retrieved 2026-10-06, 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-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](docs/ads8355irter-datasheet.pdf)
page.jsonadded+215@@ -0,0 +1,215 @@+{+ "slug": "ads8355irter",+ "version": "0.1.0",+ "type": "component",+ "description": "Texas Instruments Analog To Digital Converters (ADC), WQFN-16-EP(3x3). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",+ "tags": [+ "component",+ "data acquisition",+ "ads8355irter",+ "factory-2.0.0",+ "extractor-text"+ ],+ "dependencies": {},+ "hero": {+ "type": "image",+ "path": "docs/hero.png"+ },+ "files": [+ "page.json",+ "README.md",+ "ads8355irter.kicad_sym",+ "ads8355irter.kicad_mod",+ "ads8355irter.glb",+ "ads8355irter.step",+ "ads8355irter.lbr",+ "docs/hero.png",+ "docs/ads8355irter-datasheet.pdf",+ "viewers/symbol.html",+ "viewers/footprint.html",+ "ads8355irter-hero.glb",+ "ads8355irter-hero.overlay.json"+ ],+ "component": {+ "mpn": "ADS8355IRTER",+ "manufacturer": "Texas Instruments",+ "package": "WQFN-16-EP(3x3)",+ "pin_count": 17,+ "category": "Data Acquisition",+ "subcategory": "Analog To Digital Converters (ADC)",+ "datasheet": "https://www.ti.com/cn/lit/gpn/ads8355",+ "parts": {+ "symbol": "ads8355irter.kicad_sym",+ "footprint": "ads8355irter.kicad_mod",+ "model_3d": "ads8355irter-hero.glb",+ "model_3d_plain": "ads8355irter.glb",+ "model_3d_step": "ads8355irter-etched.step",+ "model_3d_step_plain": "ads8355irter.step",+ "lbr": "ads8355irter.lbr"+ },+ "distributor_links": {+ "lcsc": 1858281,+ "digikey": "296-ADS8355IRTERTR-ND",+ "mouser": "595-ADS8355IRTER"+ },+ "distributor_check": {+ "checked_at": "2026-10-06T17:28:31Z",+ "source": "Component Ocean /api/assign-pns",+ "digikey": {+ "pn": "296-ADS8355IRTERTR-ND",+ "status": "found",+ "lifecycle": "Active"+ },+ "mouser": {+ "pn": "595-ADS8355IRTER",+ "status": "found"+ }+ },+ "pins": [+ {+ "number": "1",+ "name": "REFIO_A",+ "type": "bidirectional",+ "description": "Reference voltage input/output for channel A; voltage range REFGND_A - 0.3 V to AVDD + 0.3 V, functions as external reference input or internal reference output per REF_SEL register setting."+ },+ {+ "number": "2",+ "name": "REFGND_A",+ "type": "power_in",+ "description": "Reference ground for channel A; must be maintained within GND ± 0.3 V per absolute maximum ratings."+ },+ {+ "number": "3",+ "name": "REFGND_B",+ "type": "power_in",+ "description": "Reference ground for channel B; must be maintained within GND ± 0.3 V per absolute maximum ratings."+ },+ {+ "number": "4",+ "name": "REFIO_B",+ "type": "bidirectional",+ "description": "Reference voltage input/output for channel B; voltage range REFGND_B - 0.3 V to AVDD + 0.3 V, functions as external reference input or internal reference output per REF_SEL register setting."+ },+ {+ "number": "5",+ "name": "AINM_B",+ "type": "input",+ "description": "Negative analog input for channel B; voltage range REFGND_B - 0.3 V to AVDD + 0.3 V, connect to GND for single-ended mode or to FSR/2 for pseudo-differential mode per AINM_SEL register."+ },+ {+ "number": "6",+ "name": "AINP_B",+ "type": "input",+ "description": "Positive analog input for channel B; voltage range REFGND_B - 0.3 V to AVDD + 0.3 V with full-scale range 0 to VREF_B (default) or 0 to 2×VREF_B per RANGE_SEL bit."+ },+ {+ "number": "7",+ "name": "DVDD",+ "type": "power_in",+ "description": "Digital I/O supply voltage; -0.3 V to 6 V absolute maximum with ±10 mA input current limit per pin."+ },+ {+ "number": "8",+ "name": "SDI",+ "type": "input",+ "description": "Serial data input for SPI communication; digital input voltage GND - 0.3 V to DVDD + 0.3 V, sampled on SCLK falling edges."+ },+ {+ "number": "9",+ "name": "CS",+ "type": "input",+ "description": "Chip-select signal (active low); digital input voltage GND - 0.3 V to DVDD + 0.3 V, forces SDO pins to tri-state when high and triggers ADC conversion."+ },+ {+ "number": "10",+ "name": "SCLK",+ "type": "input",+ "description": "Serial clock input for SPI interface; digital input voltage GND - 0.3 V to DVDD + 0.3 V, clocks data out on falling edges."+ },+ {+ "number": "11",+ "name": "SDO_A",+ "type": "output",+ "description": "Serial data output for channel A in dual-SDO mode or both channels sequentially in single-SDO mode; digital tri-state output transitions to high-impedance when CS is high."+ },+ {+ "number": "12",+ "name": "SDO_B",+ "type": "output",+ "description": "Serial data output for channel B in dual-SDO mode; digital tri-state output transitions to high-impedance when CS is high, driven low in single-SDO mode."+ },+ {+ "number": "13",+ "name": "GND",+ "type": "power_in",+ "description": "Device ground; 0 V reference for all voltage measurements and power return path."+ },+ {+ "number": "14",+ "name": "AVDD",+ "type": "power_in",+ "description": "Analog supply voltage for ADC operation; -0.3 V to 6 V absolute maximum, must satisfy 2×VREF_A ≤ AVDD when RANGE_SEL = 1."+ },+ {+ "number": "15",+ "name": "AINP_A",+ "type": "input",+ "description": "Positive analog input for channel A; voltage range REFGND_A - 0.3 V to AVDD + 0.3 V with full-scale range 0 to VREF_A (default) or 0 to 2×VREF_A per RANGE_SEL bit."+ },+ {+ "number": "16",+ "name": "AINM_A",+ "type": "input",+ "description": "Negative analog input for channel A; voltage range REFGND_A - 0.3 V to AVDD + 0.3 V, connect to GND for single-ended mode or to FSR/2 for pseudo-differential mode per AINM_SEL register."+ },+ {+ "number": "17",+ "name": "Thermal pad",+ "type": "passive",+ "description": "Exposed pad (from the footprint; not named in the datasheet pin table)."+ }+ ],+ "provenance": {+ "extractor": "extract_pins 0.3",+ "factory_chain": {+ "factory": "2.0.0",+ "extractor": "extract_pins 0.3",+ "primary_model": "claude-haiku-4-5-20251001",+ "primary_mode": "text",+ "consensus_model": "claude-sonnet-5-5",+ "consensus": "agreed",+ "guards": "pin_guards 0.1: passed",+ "guard_notes": [+ "extractor flagged: SDO_A and SDO_B exhibit tri-state behavior per datasheet functional description; CS rising edge forc; REFIO_A and REFIO_B are bidirectional analog pins that function as external reference inputs (defaul; Exposed thermal pad (unnumbered in package designation) not included in standard 16-pin count; datas",+ "exposed pad 17 added from the footprint"+ ],+ "pages_sent": 14,+ "cost_usd": 0.1576,+ "at": "2026-10-06T17:28:18"+ },+ "datasheet": {+ "url": "https://www.ti.com/cn/lit/gpn/ads8355",+ "pages": 43,+ "sha256": "80add76d78296c95",+ "source_tier": "lcsc"+ },+ "cad": "KiCad official (CC-BY-SA 4.0)",+ "pins": {+ "total": 17,+ "described": 17,+ "cites_pages": true,+ "refuses_to_fabricate": true+ }+ },+ "viewers": {+ "symbol": "viewers/symbol.html",+ "footprint": "viewers/footprint.html"+ }+ },+ "visibility": "public",+ "org": "adom",+ "author": {+ "name": "Ray",+ "email": "[email protected]"+ }+}