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DAC8814ICDBT
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Texas Instruments Digital To Analog Converters (DAC), SSOP-28. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
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README.mdadded+64@@ -0,0 +1,64 @@+# DAC8814ICDBT++**Texas Instruments** · Digital To Analog Converters (DAC) · SSOP-28++DAC8814ICDBT from Texas Instruments, in a SSOP-28. 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 | AGNDA | power_in | DAC A analog ground; the datasheet recommends connecting all AGNDX pins directly to an analog ground plane at the unit. |+| 2 | IOUTA | output | DAC A current output, which feeds the external I-to-V amplifier virtual ground. |+| 3 | VREFA | input | DAC A reference voltage input that sets the full-scale output; it can be tied to VDD. |+| 4 | RFBA | input | DAC A feedback resistor terminal that establishes the output voltage when connected to the external amplifier output. |+| 5 | MSB | input | Sets the reset code during a RS pulse or at power-on: tied to ground gives zero code and tied to VDD gives half-scale (8000h). |+| 6 | RS | input | Active-low asynchronous reset that forces the input and DAC registers to zero code or half-scale (8000h), depending on MSB. |+| 7 | VDD | power_in | Positive power supply input; specified range of operation is +2.7 V to +5.5 V. |+| 8 | CS | input | Active-low chip select that disables shift register loading when high and transfers shift register data to the input register on its rising edge. |+| 9 | CLK | input | Clock input; the positive edge clocks data into the shift register. |+| 10 | SDI | input | Serial data input that loads directly into the shift register. |+| 11 | RFBB | input | DAC B feedback resistor terminal that establishes the output voltage when connected to the external amplifier output. |+| 12 | VREFB | input | DAC B reference voltage input that sets the full-scale output; it can be tied to VDD. |+| 13 | IOUTB | output | DAC B current output, which feeds the external I-to-V amplifier virtual ground. |+| 14 | AGNDB | power_in | DAC B analog ground; the datasheet recommends connecting all AGNDX pins directly to an analog ground plane at the unit. |+| 15 | AGNDC | power_in | DAC C analog ground; the datasheet recommends connecting all AGNDX pins directly to an analog ground plane at the unit. |+| 16 | IOUTC | output | DAC C current output, which feeds the external I-to-V amplifier virtual ground. |+| 17 | VREFC | input | DAC C reference voltage input that sets the full-scale output; it can be tied to VDD. |+| 18 | RFBC | input | DAC C feedback resistor terminal that establishes the output voltage when connected to the external amplifier output. |+| 19 | NC | unconnected | Not connected internally; leave floating. |+| 20 | SDO | output | Serial data output for daisy-chaining; data appears at SDO 19 clock pulses after it is applied at SDI. |+| 21 | LDAC | input | Level-sensitive active-low asynchronous load DAC strobe that transfers all input register data to the DAC registers. |+| 22 | AGNDF | power_in | High-current analog force ground for the analog section. |+| 23 | VSS | power_in | Labeled VSS but stated to have no internal connection. |+| 24 | DGND | power_in | Digital ground for the logic interface. |+| 25 | RFBD | input | DAC D feedback resistor terminal that establishes the output voltage when connected to the external amplifier output. |+| 26 | VREFD | input | DAC D reference voltage input that sets the full-scale output; it can be tied to VDD. |+| 27 | IOUTD | output | DAC D current output, which feeds the external I-to-V amplifier virtual ground. |+| 28 | AGNDD | power_in | DAC D analog ground; the datasheet recommends connecting all AGNDX pins directly to an analog ground plane at the unit. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Texas Instruments |+| Package | SSOP-28 |+| Category | Data Acquisition |+| Pins | 28 |++## CAD (KiCad official)++- Symbol: `DAC8814ICDBT`+- Footprint: `Package_SO:SSOP-28_5.3x10.2mm_P0.65mm`+- 3D model: SSOP-28 (KiCad packages3D, STEP)+- 3D model files: `dac8814icdbt-etched.step` / `dac8814icdbt-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `dac8814icdbt.step` / `dac8814icdbt.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/dac8814) (30 pp, sha256 `ac0123b387c7c750`, retrieved 2026-10-08, tier: lcsc)+- **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](docs/dac8814icdbt-datasheet.pdf)
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Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",+ "tags": [+ "component",+ "data acquisition",+ "dac8814icdbt",+ "factory-2.0.0",+ "extractor-text"+ ],+ "dependencies": {},+ "hero": {+ "type": "image",+ "path": "docs/hero.png"+ },+ "files": [+ "page.json",+ "README.md",+ "dac8814icdbt.kicad_sym",+ "dac8814icdbt.kicad_mod",+ "dac8814icdbt.glb",+ "dac8814icdbt.step",+ "dac8814icdbt.lbr",+ "docs/hero.png",+ "docs/dac8814icdbt-datasheet.pdf",+ "viewers/symbol.html",+ "viewers/footprint.html",+ "dac8814icdbt-hero.glb",+ "dac8814icdbt-hero.overlay.json"+ ],+ "component": {+ "mpn": "DAC8814ICDBT",+ "manufacturer": "Texas Instruments",+ "package": "SSOP-28",+ "pin_count": 28,+ "category": "Data Acquisition",+ "subcategory": "Digital To Analog Converters (DAC)",+ "datasheet": "https://www.ti.com/cn/lit/gpn/dac8814",+ "parts": {+ "symbol": "dac8814icdbt.kicad_sym",+ "footprint": "dac8814icdbt.kicad_mod",+ "model_3d": "dac8814icdbt-hero.glb",+ "model_3d_plain": "dac8814icdbt.glb",+ "model_3d_step": "dac8814icdbt-etched.step",+ "model_3d_step_plain": "dac8814icdbt.step",+ "lbr": "dac8814icdbt.lbr"+ },+ "distributor_links": {+ "lcsc": "C2679418",+ "digikey": "296-18609-2-ND",+ "mouser": "595-DAC8814ICDBT"+ },+ "distributor_check": {+ "checked_at": "2026-10-08T18:43:46Z",+ "source": "Component Ocean /api/assign-pns",+ "digikey": {+ "pn": "296-18609-2-ND",+ "status": "found"+ },+ "mouser": {+ "pn": "595-DAC8814ICDBT",+ "status": "found"+ }+ },+ "pins": [+ {+ "number": "1",+ "name": "AGNDA",+ "type": "power_in",+ "description": "DAC A analog ground; the datasheet recommends connecting all AGNDX pins directly to an analog ground plane at the unit."+ },+ {+ "number": "2",+ "name": "IOUTA",+ "type": "output",+ "description": "DAC A current output, which feeds the external I-to-V amplifier virtual ground."+ },+ {+ "number": "3",+ "name": "VREFA",+ "type": "input",+ "description": "DAC A reference voltage input that sets the full-scale output; it can be tied to VDD."+ },+ {+ "number": "4",+ "name": "RFBA",+ "type": "input",+ "description": "DAC A feedback resistor terminal that establishes the output voltage when connected to the external amplifier output."+ },+ {+ "number": "5",+ "name": "MSB",+ "type": "input",+ "description": "Sets the reset code during a RS pulse or at power-on: tied to ground gives zero code and tied to VDD gives half-scale (8000h)."+ },+ {+ "number": "6",+ "name": "RS",+ "type": "input",+ "description": "Active-low asynchronous reset that forces the input and DAC registers to zero code or half-scale (8000h), depending on MSB."+ },+ {+ "number": "7",+ "name": "VDD",+ "type": "power_in",+ "description": "Positive power supply input; specified range of operation is +2.7 V to +5.5 V."+ },+ {+ "number": "8",+ "name": "CS",+ "type": "input",+ "description": "Active-low chip select that disables shift register loading when high and transfers shift register data to the input register on its rising edge."+ },+ {+ "number": "9",+ "name": "CLK",+ "type": "input",+ "description": "Clock input; the positive edge clocks data into the shift register."+ },+ {+ "number": "10",+ "name": "SDI",+ "type": "input",+ "description": "Serial data input that loads directly into the shift register."+ },+ {+ "number": "11",+ "name": "RFBB",+ "type": "input",+ "description": "DAC B feedback resistor terminal that establishes the output voltage when connected to the external amplifier output."+ },+ {+ "number": "12",+ "name": "VREFB",+ "type": "input",+ "description": "DAC B reference voltage input that sets the full-scale output; it can be tied to VDD."+ },+ {+ "number": "13",+ "name": "IOUTB",+ "type": "output",+ "description": "DAC B current output, which feeds the external I-to-V amplifier virtual ground."+ },+ {+ "number": "14",+ "name": "AGNDB",+ "type": "power_in",+ "description": "DAC B analog ground; the datasheet recommends connecting all AGNDX pins directly to an analog ground plane at the unit."+ },+ {+ "number": "15",+ "name": "AGNDC",+ "type": "power_in",+ "description": "DAC C analog ground; the datasheet recommends connecting all AGNDX pins directly to an analog ground plane at the unit."+ },+ {+ "number": "16",+ "name": "IOUTC",+ "type": "output",+ "description": "DAC C current output, which feeds the external I-to-V amplifier virtual ground."+ },+ {+ "number": "17",+ "name": "VREFC",+ "type": "input",+ "description": "DAC C reference voltage input that sets the full-scale output; it can be tied to VDD."+ },+ {+ "number": "18",+ "name": "RFBC",+ "type": "input",+ "description": "DAC C feedback resistor terminal that establishes the output voltage when connected to the external amplifier output."+ },+ {+ "number": "19",+ "name": "NC",+ "type": "unconnected",+ "description": "Not connected internally; leave floating."+ },+ {+ "number": "20",+ "name": "SDO",+ "type": "output",+ "description": "Serial data output for daisy-chaining; data appears at SDO 19 clock pulses after it is applied at SDI."+ },+ {+ "number": "21",+ "name": "LDAC",+ "type": "input",+ "description": "Level-sensitive active-low asynchronous load DAC strobe that transfers all input register data to the DAC registers."+ },+ {+ "number": "22",+ "name": "AGNDF",+ "type": "power_in",+ "description": "High-current analog force ground for the analog section."+ },+ {+ "number": "23",+ "name": "VSS",+ "type": "power_in",+ "description": "Labeled VSS but stated to have no internal connection."+ },+ {+ "number": "24",+ "name": "DGND",+ "type": "power_in",+ "description": "Digital ground for the logic interface."+ },+ {+ "number": "25",+ "name": "RFBD",+ "type": "input",+ "description": "DAC D feedback resistor terminal that establishes the output voltage when connected to the external amplifier output."+ },+ {+ "number": "26",+ "name": "VREFD",+ "type": "input",+ "description": "DAC D reference voltage input that sets the full-scale output; it can be tied to VDD."+ },+ {+ "number": "27",+ "name": "IOUTD",+ "type": "output",+ "description": "DAC D current output, which feeds the external I-to-V amplifier virtual ground."+ },+ {+ "number": "28",+ "name": "AGNDD",+ "type": "power_in",+ "description": "DAC D analog ground; the datasheet recommends connecting all AGNDX pins directly to an analog ground plane at the unit."+ }+ ],+ "provenance": {+ "extractor": "extract_pins 0.3",+ "factory_chain": {+ "factory": "2.0.0",+ "extractor": "extract_pins 0.3",+ "primary_model": "claude-haiku-5-5",+ "primary_mode": "text",+ "consensus_model": "claude-sonnet-5-5",+ "consensus": "agreed",+ "guards": "pin_guards 0.1: passed",+ "guard_notes": [+ "extractor flagged: The PIN CONFIGURATIONS page is a text extraction in which the right-hand column (pins 15-28) is list; Pin 23 is named VSS but the datasheet states it has no internal connection; its type is marked uncon; The datasheet does not give an ERC electrical type for the RFBX pins; they are typed as input becaus"+ ],+ "pages_sent": 11,+ "cost_usd": 0.0769,+ "at": "2026-10-08T18:42:57"+ },+ "datasheet": {+ "url": "https://www.ti.com/cn/lit/gpn/dac8814",+ "pages": 30,+ "sha256": "ac0123b387c7c750",+ "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"+ },+ "models_3d": [+ {+ "file": "dac8814icdbt.step",+ "role": "plain",+ "up": "Z",+ "units": "mm",+ "origin": "footprint origin = pad-pattern centre",+ "seat": "z = 0",+ "extents_mm": [+ 7.8,+ 10.2,+ 2.1+ ],+ "zmin_mm": 0,+ "centre_offset_mm": 0,+ "footprint_binding": "identity",+ "sha256": "7aa76979ae41da44bded1ed74115012868f2f3f5a757faf32bb9df4f92c1e313",+ "checked": "2026-10-08",+ "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"+ },+ {+ "file": "dac8814icdbt-etched.step",+ "role": "eda",+ "up": "Z",+ "units": "mm",+ "origin": "footprint origin = pad-pattern centre",+ "seat": "z = 0",+ "extents_mm": [+ 7.8,+ 10.2,+ 2.1+ ],+ "zmin_mm": 0,+ "centre_offset_mm": 0,+ "footprint_binding": "identity",+ "sha256": "6862cb5497725a2cb43f89f30487c96d0eeec423f0ea0cf40fc14dc7c533ed18",+ "checked": "2026-10-08",+ "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"+ }+ ]+ },+ "visibility": "public",+ "org": "adom",+ "author": {+ "name": "Ray",+ "email": "[email protected]"+ }+}