component
DDC112U
Public Made by Adomby adom
Texas Instruments Analog To Digital Converters (ADC), SOIC-28-300mil. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
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README.mdadded+64@@ -0,0 +1,64 @@+# DDC112U++**Texas Instruments** · Analog To Digital Converters (ADC) · SOIC-28-300mil++DDC112U from Texas Instruments, in a SOIC-28-300mil. 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 | IN1 | input | Input 1: analog input for Integrators 1A and 1B, integrator selection controlled by CONV input. |+| 2 | AGND | power_in | Analog Ground |+| 3 | CAP1B | passive | External Capacitor connection for Integrator 1B |+| 4 | CAP1B | passive | External Capacitor connection for Integrator 1B |+| 5 | CAP1A | passive | External Capacitor connection for Integrator 1A |+| 6 | CAP1A | passive | External Capacitor connection for Integrator 1A |+| 7 | AVDD | power_in | Analog Supply, +5V Nominal |+| 8 | TEST | input | Test Control Input; when HIGH, test charge is applied to A or B integrators on next CONV transition. |+| 9 | CONV | input | Controls which integrator side connects to input; CONV HIGH enables side A integration, CONV LOW enables side B integration; must be synchronized with CLK. |+| 10 | CLK | input | System Clock Input, 10MHz Nominal |+| 11 | DCLK | input | Serial Data Clock Input that operates the serial I/O shift register. |+| 12 | DXMIT | input | Serial Data Transmit Enable Input; when LOW, enables the internal serial shift register. |+| 13 | DIN | input | Serial Digital Input used to cascade multiple DDC112 units. |+| 14 | DVDD | power_in | Digital Supply, +5V Nominal |+| 15 | DGND | power_in | Digital Ground |+| 16 | DOUT | tri_state | Serial Data Output with high-impedance state when DXMIT is HIGH. |+| 17 | DVALID | output | Data Valid Output; LOW value indicates valid data is available in serial I/O register. |+| 18 | RANGE0 | input | Range Control Input 0 (least significant bit) for full-scale range selection. |+| 19 | RANGE1 | input | Range Control Input 1 for full-scale range selection. |+| 20 | RANGE2 | input | Range Control Input 2 (most significant bit) for full-scale range selection. |+| 21 | AGND | power_in | Analog Ground |+| 22 | VREF | power_in | External Reference Input, +4.096V Nominal; used for integrator reset and ΔΣ converter measurement. |+| 23 | CAP2A | passive | External Capacitor connection for Integrator 2A |+| 24 | CAP2A | passive | External Capacitor connection for Integrator 2A |+| 25 | CAP2B | passive | External Capacitor connection for Integrator 2B |+| 26 | CAP2B | passive | External Capacitor connection for Integrator 2B |+| 27 | AGND | power_in | Analog Ground |+| 28 | IN2 | input | Input 2: analog input for Integrators 2A and 2B, integrator selection controlled by CONV input. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Texas Instruments |+| Package | SOIC-28-300mil |+| Category | Data Acquisition |+| Pins | 28 |++## CAD (KiCad official)++- Symbol: `DDC112U`+- Footprint: `Package_SO:SOIC-28W_7.5x17.9mm_P1.27mm`+- 3D model: SOIC-28-300mil (KiCad packages3D, STEP)+- 3D model files: `ddc112u-etched.step` / `ddc112u-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `ddc112u.step` / `ddc112u.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/ddc112) (37 pp, sha256 `563a1029aa722041`, retrieved 2026-10-06, 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](docs/ddc112u-datasheet.pdf)
page.jsonadded+278@@ -0,0 +1,278 @@+{+ "slug": "ddc112u",+ "version": "0.1.0",+ "type": "component",+ "description": "Texas Instruments Analog To Digital Converters (ADC), SOIC-28-300mil. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",+ "tags": [+ "component",+ "data acquisition",+ "ddc112u",+ "factory-2.0.0",+ "extractor-text"+ ],+ "dependencies": {},+ "hero": {+ "type": "image",+ "path": "docs/hero.png"+ },+ "files": [+ "page.json",+ "README.md",+ "ddc112u.kicad_sym",+ "ddc112u.kicad_mod",+ "ddc112u.glb",+ "ddc112u.step",+ "ddc112u.lbr",+ "docs/hero.png",+ "docs/ddc112u-datasheet.pdf",+ "viewers/symbol.html",+ "viewers/footprint.html",+ "ddc112u-hero.glb",+ "ddc112u-hero.overlay.json"+ ],+ "component": {+ "mpn": "DDC112U",+ "manufacturer": "Texas Instruments",+ "package": "SOIC-28-300mil",+ "pin_count": 28,+ "category": "Data Acquisition",+ "subcategory": "Analog To Digital Converters (ADC)",+ "datasheet": "https://www.ti.com/cn/lit/gpn/ddc112",+ "parts": {+ "symbol": "ddc112u.kicad_sym",+ "footprint": "ddc112u.kicad_mod",+ "model_3d": "ddc112u-hero.glb",+ "model_3d_plain": "ddc112u.glb",+ "model_3d_step": "ddc112u-etched.step",+ "model_3d_step_plain": "ddc112u.step",+ "lbr": "ddc112u.lbr"+ },+ "distributor_links": {+ "lcsc": 5215671,+ "digikey": "2156-DDC112U-ND",+ "mouser": "595-DDC112U"+ },+ "distributor_check": {+ "checked_at": "2026-10-06T17:01:51Z",+ "source": "Component Ocean /api/assign-pns",+ "digikey": {+ "pn": "2156-DDC112U-ND",+ "status": "found",+ "lifecycle": "Active"+ },+ "mouser": {+ "pn": "595-DDC112U",+ "status": "found"+ }+ },+ "pins": [+ {+ "number": "1",+ "name": "IN1",+ "type": "input",+ "description": "Input 1: analog input for Integrators 1A and 1B, integrator selection controlled by CONV input."+ },+ {+ "number": "2",+ "name": "AGND",+ "type": "power_in",+ "description": "Analog Ground"+ },+ {+ "number": "3",+ "name": "CAP1B",+ "type": "passive",+ "description": "External Capacitor connection for Integrator 1B"+ },+ {+ "number": "4",+ "name": "CAP1B",+ "type": "passive",+ "description": "External Capacitor connection for Integrator 1B"+ },+ {+ "number": "5",+ "name": "CAP1A",+ "type": "passive",+ "description": "External Capacitor connection for Integrator 1A"+ },+ {+ "number": "6",+ "name": "CAP1A",+ "type": "passive",+ "description": "External Capacitor connection for Integrator 1A"+ },+ {+ "number": "7",+ "name": "AVDD",+ "type": "power_in",+ "description": "Analog Supply, +5V Nominal"+ },+ {+ "number": "8",+ "name": "TEST",+ "type": "input",+ "description": "Test Control Input; when HIGH, test charge is applied to A or B integrators on next CONV transition."+ },+ {+ "number": "9",+ "name": "CONV",+ "type": "input",+ "description": "Controls which integrator side connects to input; CONV HIGH enables side A integration, CONV LOW enables side B integration; must be synchronized with CLK."+ },+ {+ "number": "10",+ "name": "CLK",+ "type": "input",+ "description": "System Clock Input, 10MHz Nominal"+ },+ {+ "number": "11",+ "name": "DCLK",+ "type": "input",+ "description": "Serial Data Clock Input that operates the serial I/O shift register."+ },+ {+ "number": "12",+ "name": "DXMIT",+ "type": "input",+ "description": "Serial Data Transmit Enable Input; when LOW, enables the internal serial shift register."+ },+ {+ "number": "13",+ "name": "DIN",+ "type": "input",+ "description": "Serial Digital Input used to cascade multiple DDC112 units."+ },+ {+ "number": "14",+ "name": "DVDD",+ "type": "power_in",+ "description": "Digital Supply, +5V Nominal"+ },+ {+ "number": "15",+ "name": "DGND",+ "type": "power_in",+ "description": "Digital Ground"+ },+ {+ "number": "16",+ "name": "DOUT",+ "type": "tri_state",+ "description": "Serial Data Output with high-impedance state when DXMIT is HIGH."+ },+ {+ "number": "17",+ "name": "DVALID",+ "type": "output",+ "description": "Data Valid Output; LOW value indicates valid data is available in serial I/O register."+ },+ {+ "number": "18",+ "name": "RANGE0",+ "type": "input",+ "description": "Range Control Input 0 (least significant bit) for full-scale range selection."+ },+ {+ "number": "19",+ "name": "RANGE1",+ "type": "input",+ "description": "Range Control Input 1 for full-scale range selection."+ },+ {+ "number": "20",+ "name": "RANGE2",+ "type": "input",+ "description": "Range Control Input 2 (most significant bit) for full-scale range selection."+ },+ {+ "number": "21",+ "name": "AGND",+ "type": "power_in",+ "description": "Analog Ground"+ },+ {+ "number": "22",+ "name": "VREF",+ "type": "power_in",+ "description": "External Reference Input, +4.096V Nominal; used for integrator reset and ΔΣ converter measurement."+ },+ {+ "number": "23",+ "name": "CAP2A",+ "type": "passive",+ "description": "External Capacitor connection for Integrator 2A"+ },+ {+ "number": "24",+ "name": "CAP2A",+ "type": "passive",+ "description": "External Capacitor connection for Integrator 2A"+ },+ {+ "number": "25",+ "name": "CAP2B",+ "type": "passive",+ "description": "External Capacitor connection for Integrator 2B"+ },+ {+ "number": "26",+ "name": "CAP2B",+ "type": "passive",+ "description": "External Capacitor connection for Integrator 2B"+ },+ {+ "number": "27",+ "name": "AGND",+ "type": "power_in",+ "description": "Analog Ground"+ },+ {+ "number": "28",+ "name": "IN2",+ "type": "input",+ "description": "Input 2: analog input for Integrators 2A and 2B, integrator selection controlled by CONV input."+ }+ ],+ "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": [],+ "pages_sent": 13,+ "cost_usd": 0.1215,+ "at": "2026-10-06T17:01:32"+ },+ "datasheet": {+ "url": "https://www.ti.com/cn/lit/gpn/ddc112",+ "pages": 37,+ "sha256": "563a1029aa722041",+ "source_tier": "lcsc"+ },+ "cad": "KiCad official (CC-BY-SA 4.0)",+ "pins": {+ "total": 28,+ "described": 28,+ "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]"+ }+}