component
DAC7311 12-Bit SPI DAC
Public Made by Adomby adom
Single-channel 12-bit voltage-output DAC with SPI in a tiny 6-pin package.
main
Ray
dac7311: component.models_3d pose record per STEP (Z-up, seated z=0, pad-centre origin, identity binding)
ebe9e21
28d ago
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{
"schema_version": 1,
"type": "component",
"slug": "dac7311",
"title": "DAC7311 12-Bit SPI DAC",
"brief": "Single-channel 12-bit voltage-output DAC with SPI in a tiny 6-pin package.",
"version": "0.1.0",
"license": "CC-BY-SA-4.0",
"tags": [
"dac",
"12-bit",
"single",
"spi",
"low-power",
"ti",
"sot-23-6"
],
"component": {
"mpn": "DAC7311",
"manufacturer": "Texas Instruments",
"package": "SOT-23-6",
"pin_count": 6,
"category": "Analog",
"subcategory": "Digital-to-Analog Converter",
"datasheet": "https://www.ti.com/lit/ds/symlink/dac7311.pdf",
"parts": {
"symbol": "dac7311.kicad_sym",
"footprint": "dac7311.kicad_mod",
"model_3d": "dac7311-etched.glb",
"model_3d_plain": "dac7311.glb",
"model_3d_step": "dac7311-etched.step",
"model_3d_step_plain": "dac7311.step",
"lbr": "dac7311.lbr"
},
"distributor_links": {},
"pins": [
{
"number": "1",
"name": "SYNC",
"type": "input",
"description": "Active-low, level-triggered frame synchronization input for the serial interface. When SYNC goes low, the input shift register is enabled and data are clocked in on the falling edges of SCLK; the DAC updates on the 16th SCLK unless SYNC is taken high before that edge, in which case the write is aborted and SYNC acts as an interrupt."
},
{
"number": "2",
"name": "SCLK",
"type": "input",
"description": "Serial clock input. Data are transferred on the falling edge at clock rates up to 50 MHz. Schmitt-triggered CMOS input."
},
{
"number": "3",
"name": "DIN",
"type": "input",
"description": "Serial data input. Data are clocked into the 16-bit input shift register on the falling edge of SCLK while SYNC is low."
},
{
"number": "4",
"name": "AVDD/VREF",
"type": "power_in",
"description": "Analog power supply input, 2.0 V to 5.5 V. Also serves as the DAC reference voltage that sets the full-scale output range. Should be well decoupled to GND."
},
{
"number": "5",
"name": "GND",
"type": "power_in",
"description": "Ground reference point for all circuitry on the part."
},
{
"number": "6",
"name": "VOUT",
"type": "output",
"description": "Buffered analog output from the DAC. Rail-to-rail output amplifier swings from 0 V to AVDD; drives up to 1000 pF capacitive load with RL = 2 kΩ."
}
],
"provenance": {
"extractor": "ds2sf",
"datasheet": {
"url": "https://www.ti.com/lit/ds/symlink/dac7311.pdf",
"pages": 40,
"sha256": "212625aa6189ace3",
"source_tier": "mfr"
},
"cad": "KiCad official (CC-BY-SA 4.0)",
"pins": {
"total": 6,
"described": 6,
"cites_pages": true,
"refuses_to_fabricate": true
}
},
"viewers": {
"symbol": "viewers/symbol.html",
"footprint": "viewers/footprint.html"
},
"models_3d": [
{
"file": "dac7311.step",
"role": "plain",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
2.8,
2.9,
1.55
],
"zmin_mm": 0.0,
"centre_offset_mm": 0.0,
"footprint_binding": "identity",
"sha256": "c9fe686b4d1b56927a41fa84a9bc1efb61d8a45a123a3db43bcaa05c2891d635",
"checked": "2026-10-07",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
},
{
"file": "dac7311-etched.step",
"role": "eda",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
2.8,
2.9,
1.55
],
"zmin_mm": 0.0,
"centre_offset_mm": 0.0,
"footprint_binding": "identity",
"sha256": "5c098a47cf960184c0d80d1b9ed71537cb284a2608cdeb5d6391ed9fbba82a86",
"checked": "2026-10-07",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
}
]
},
"metadata": {
"specs": {
"Resolution": "12-bit, 1 channel",
"Output": "Voltage output (rail-to-rail), VDD reference",
"Interface": "SPI (up to 50 MHz)",
"Settling time": "5 us typ",
"Power-down": "Programmable (3 modes)",
"Supply voltage": "2.7 V to 5.5 V",
"Operating temperature": "-40 C to 125 C"
}
},
"sections": [
"hero",
"viewers",
"readme",
"breadcrumbs",
"info"
],
"discovery_triggers": [
"single DAC",
"tiny DAC",
"SPI DAC",
"12-bit voltage output",
"low-power DAC"
],
"discovery_pitch": "A 12-bit voltage-output DAC over SPI in a 6-pin package, using the supply as reference for simple set-point generation.",
"author": {
"name": "Ray",
"email": "[email protected]"
},
"dependencies": {},
"hero": {
"type": "image",
"path": "docs/hero.png"
},
"files": [
"page.json",
"README.md",
"dac7311.kicad_sym",
"dac7311.kicad_mod",
"dac7311.glb",
"dac7311.step",
"dac7311.lbr",
"docs/hero.png",
"docs/dac7311-datasheet.pdf",
"viewers/symbol.html",
"viewers/footprint.html",
"dac7311-etched.step"
],
"variants": [
{
"mpn": "DAC7311IDCKR",
"kind": "unknown"
},
{
"mpn": "DAC7311IDCKT",
"kind": "unknown"
}
]
}