component
PCM2706PJTR
Public Made by Adomby adom
Texas Instruments ADCs/DACs - Special Purpose, TQFP-32(7x7). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
← Commit history
README.mdadded+68@@ -0,0 +1,68 @@+# PCM2706PJTR++**Texas Instruments** · ADCs/DACs - Special Purpose · TQFP-32(7x7)++PCM2706PJTR from Texas Instruments, in a TQFP-32(7x7). 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 | PGND | power_in | Analog ground for the DAC, oscillator, and PLL. |+| 2 | VCCP | power_in | Analog power supply for the DAC, oscillator, and PLL; connect a decoupling capacitor to GND and supply 3.3 V for self-powered applications. |+| 3 | HOST | input | Host detection during self-powered operation (connect to VBUS), and max power select during bus-powered operation (LOW: 100 mA, HIGH: 500 mA); LV-TTL level, 5-V tolerant. |+| 4 | FUNC3 | input | HID key state input for play/pause, active HIGH when FSEL = 1, or I2S data input when FSEL = 0; LV-TTL level with internal pulldown. |+| 5 | FUNC0 | bidirectional | HID key state input for next track, active HIGH when FSEL = 1, or I2S LR clock output when FSEL = 0; LV-TTL level with internal pulldown. |+| 6 | HID0/MS | input | HID key state input for mute, active HIGH (PCM2706); MS input on PCM2707; LV-TTL level with internal pulldown. |+| 7 | HID1/MC | input | HID key state input for volume up, active HIGH (PCM2706); MC input on PCM2707; LV-TTL level with internal pulldown. |+| 8 | HID2/MD | input | HID key state input for volume down, active HIGH (PCM2706); MD input on PCM2707; LV-TTL level with internal pulldown. |+| 9 | FSEL | input | Function select: LOW selects I2S DATA output, HIGH selects S/PDIF output; LV-TTL level. |+| 10 | TEST | input | Test pin that must be set HIGH; LV-TTL level. |+| 11 | SSPND | output | Suspend flag, active LOW (LOW: suspend, HIGH: operational). |+| 12 | XTI | input | Crystal oscillator input; LV-TTL level. |+| 13 | XTO | output | Crystal oscillator output. |+| 14 | CK | output | Clock output for external ROM (PCM2706); must be left open on PCM2707. |+| 15 | DT | bidirectional | Data input/output for external ROM (PCM2706); must be left open with a pullup resistor on PCM2707; LV-TTL level. |+| 16 | PSEL | input | Power source select: LOW for self-power, HIGH for bus-power; LV-TTL level. |+| 17 | DOUT | output | S/PDIF output or I2S data output (selected by FSEL). |+| 18 | FUNC2 | bidirectional | HID key state input for stop, active HIGH when FSEL = 1, or I2S system clock output when FSEL = 0; LV-TTL level with internal pulldown. |+| 19 | FUNC1 | bidirectional | HID key state input for previous track, active HIGH when FSEL = 1, or I2S bit clock output when FSEL = 0; LV-TTL level with internal pulldown. |+| 20 | DGND | power_in | Digital ground. |+| 21 | VDD | power_in | Digital power supply; connect a decoupling capacitor to GND and supply 3.3 V for self-powered applications. |+| 22 | D- | bidirectional | USB differential input/output minus (full-speed USB 1.1). |+| 23 | D+ | bidirectional | USB differential input/output plus (full-speed USB 1.1). |+| 24 | VBUS | power_in | Connect to USB power (VBUS) for bus-powered operation, or to VDD for self-powered operation. |+| 25 | ZGND | power_in | Ground for the internal regulator. |+| 26 | AGNDL | power_in | Analog ground for the L-channel headphone amplifier. |+| 27 | VCCL | power_in | Analog power supply for the L-channel headphone amplifier; connect a decoupling capacitor to GND and supply 3.3 V for self-powered applications. |+| 28 | VOUTL | output | DAC analog output for the L channel. |+| 29 | VOUTR | output | DAC analog output for the R channel. |+| 30 | VCCR | power_in | Analog power supply for the R-channel headphone amplifier; connect a decoupling capacitor to GND and supply 3.3 V for self-powered applications. |+| 31 | AGNDR | power_in | Analog ground for the R-channel headphone amplifier. |+| 32 | VCOM | passive | Common voltage for the DAC (VCCP/2); connect a decoupling capacitor to PGND. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Texas Instruments |+| Package | TQFP-32(7x7) |+| Category | Data Acquisition |+| Pins | 32 |++## CAD (KiCad official)++- Symbol: `PCM2706PJTR`+- Footprint: `Package_QFP:TQFP-32_7x7mm_P0.8mm`+- 3D model: TQFP-32(7x7) (KiCad packages3D, STEP)+- 3D model files: `pcm2706pjtr-etched.step` / `pcm2706pjtr-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `pcm2706pjtr.step` / `pcm2706pjtr.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/pcm2706) (45 pp, sha256 `b79526de65e54bcf`, 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/pcm2706pjtr-datasheet.pdf)
page.jsonadded+343@@ -0,0 +1,343 @@+{+ "slug": "pcm2706pjtr",+ "version": "0.1.0",+ "type": "component",+ "description": "Texas Instruments ADCs/DACs - Special Purpose, TQFP-32(7x7). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",+ "tags": [+ "component",+ "data acquisition",+ "pcm2706pjtr",+ "factory-2.0.0",+ "extractor-text"+ ],+ "dependencies": {},+ "hero": {+ "type": "image",+ "path": "docs/hero.png"+ },+ "files": [+ "page.json",+ "README.md",+ "pcm2706pjtr.kicad_sym",+ "pcm2706pjtr.kicad_mod",+ "pcm2706pjtr.glb",+ "pcm2706pjtr.step",+ "pcm2706pjtr.lbr",+ "docs/hero.png",+ "docs/pcm2706pjtr-datasheet.pdf",+ "viewers/symbol.html",+ "viewers/footprint.html",+ "pcm2706pjtr-hero.glb",+ "pcm2706pjtr-hero.overlay.json"+ ],+ "component": {+ "mpn": "PCM2706PJTR",+ "manufacturer": "Texas Instruments",+ "package": "TQFP-32(7x7)",+ "pin_count": 32,+ "category": "Data Acquisition",+ "subcategory": "ADCs/DACs - Special Purpose",+ "datasheet": "https://www.ti.com/cn/lit/gpn/pcm2706",+ "parts": {+ "symbol": "pcm2706pjtr.kicad_sym",+ "footprint": "pcm2706pjtr.kicad_mod",+ "model_3d": "pcm2706pjtr-hero.glb",+ "model_3d_plain": "pcm2706pjtr.glb",+ "model_3d_step": "pcm2706pjtr-etched.step",+ "model_3d_step_plain": "pcm2706pjtr.step",+ "lbr": "pcm2706pjtr.lbr"+ },+ "distributor_links": {+ "lcsc": "C2662574",+ "digikey": "296-PCM2706PJTR-ND",+ "mouser": "595-PCM2706PJTR"+ },+ "distributor_check": {+ "checked_at": "2026-10-08T20:09:40Z",+ "source": "Component Ocean /api/assign-pns",+ "digikey": {+ "pn": "296-PCM2706PJTR-ND",+ "status": "found"+ },+ "mouser": {+ "pn": "595-PCM2706PJTR",+ "status": "found"+ }+ },+ "pins": [+ {+ "number": "1",+ "name": "PGND",+ "type": "power_in",+ "description": "Analog ground for the DAC, oscillator, and PLL."+ },+ {+ "number": "2",+ "name": "VCCP",+ "type": "power_in",+ "description": "Analog power supply for the DAC, oscillator, and PLL; connect a decoupling capacitor to GND and supply 3.3 V for self-powered applications."+ },+ {+ "number": "3",+ "name": "HOST",+ "type": "input",+ "description": "Host detection during self-powered operation (connect to VBUS), and max power select during bus-powered operation (LOW: 100 mA, HIGH: 500 mA); LV-TTL level, 5-V tolerant."+ },+ {+ "number": "4",+ "name": "FUNC3",+ "type": "input",+ "description": "HID key state input for play/pause, active HIGH when FSEL = 1, or I2S data input when FSEL = 0; LV-TTL level with internal pulldown."+ },+ {+ "number": "5",+ "name": "FUNC0",+ "type": "bidirectional",+ "description": "HID key state input for next track, active HIGH when FSEL = 1, or I2S LR clock output when FSEL = 0; LV-TTL level with internal pulldown."+ },+ {+ "number": "6",+ "name": "HID0/MS",+ "type": "input",+ "description": "HID key state input for mute, active HIGH (PCM2706); MS input on PCM2707; LV-TTL level with internal pulldown."+ },+ {+ "number": "7",+ "name": "HID1/MC",+ "type": "input",+ "description": "HID key state input for volume up, active HIGH (PCM2706); MC input on PCM2707; LV-TTL level with internal pulldown."+ },+ {+ "number": "8",+ "name": "HID2/MD",+ "type": "input",+ "description": "HID key state input for volume down, active HIGH (PCM2706); MD input on PCM2707; LV-TTL level with internal pulldown."+ },+ {+ "number": "9",+ "name": "FSEL",+ "type": "input",+ "description": "Function select: LOW selects I2S DATA output, HIGH selects S/PDIF output; LV-TTL level."+ },+ {+ "number": "10",+ "name": "TEST",+ "type": "input",+ "description": "Test pin that must be set HIGH; LV-TTL level."+ },+ {+ "number": "11",+ "name": "SSPND",+ "type": "output",+ "description": "Suspend flag, active LOW (LOW: suspend, HIGH: operational)."+ },+ {+ "number": "12",+ "name": "XTI",+ "type": "input",+ "description": "Crystal oscillator input; LV-TTL level."+ },+ {+ "number": "13",+ "name": "XTO",+ "type": "output",+ "description": "Crystal oscillator output."+ },+ {+ "number": "14",+ "name": "CK",+ "type": "output",+ "description": "Clock output for external ROM (PCM2706); must be left open on PCM2707."+ },+ {+ "number": "15",+ "name": "DT",+ "type": "bidirectional",+ "description": "Data input/output for external ROM (PCM2706); must be left open with a pullup resistor on PCM2707; LV-TTL level."+ },+ {+ "number": "16",+ "name": "PSEL",+ "type": "input",+ "description": "Power source select: LOW for self-power, HIGH for bus-power; LV-TTL level."+ },+ {+ "number": "17",+ "name": "DOUT",+ "type": "output",+ "description": "S/PDIF output or I2S data output (selected by FSEL)."+ },+ {+ "number": "18",+ "name": "FUNC2",+ "type": "bidirectional",+ "description": "HID key state input for stop, active HIGH when FSEL = 1, or I2S system clock output when FSEL = 0; LV-TTL level with internal pulldown."+ },+ {+ "number": "19",+ "name": "FUNC1",+ "type": "bidirectional",+ "description": "HID key state input for previous track, active HIGH when FSEL = 1, or I2S bit clock output when FSEL = 0; LV-TTL level with internal pulldown."+ },+ {+ "number": "20",+ "name": "DGND",+ "type": "power_in",+ "description": "Digital ground."+ },+ {+ "number": "21",+ "name": "VDD",+ "type": "power_in",+ "description": "Digital power supply; connect a decoupling capacitor to GND and supply 3.3 V for self-powered applications."+ },+ {+ "number": "22",+ "name": "D-",+ "type": "bidirectional",+ "description": "USB differential input/output minus (full-speed USB 1.1)."+ },+ {+ "number": "23",+ "name": "D+",+ "type": "bidirectional",+ "description": "USB differential input/output plus (full-speed USB 1.1)."+ },+ {+ "number": "24",+ "name": "VBUS",+ "type": "power_in",+ "description": "Connect to USB power (VBUS) for bus-powered operation, or to VDD for self-powered operation."+ },+ {+ "number": "25",+ "name": "ZGND",+ "type": "power_in",+ "description": "Ground for the internal regulator."+ },+ {+ "number": "26",+ "name": "AGNDL",+ "type": "power_in",+ "description": "Analog ground for the L-channel headphone amplifier."+ },+ {+ "number": "27",+ "name": "VCCL",+ "type": "power_in",+ "description": "Analog power supply for the L-channel headphone amplifier; connect a decoupling capacitor to GND and supply 3.3 V for self-powered applications."+ },+ {+ "number": "28",+ "name": "VOUTL",+ "type": "output",+ "description": "DAC analog output for the L channel."+ },+ {+ "number": "29",+ "name": "VOUTR",+ "type": "output",+ "description": "DAC analog output for the R channel."+ },+ {+ "number": "30",+ "name": "VCCR",+ "type": "power_in",+ "description": "Analog power supply for the R-channel headphone amplifier; connect a decoupling capacitor to GND and supply 3.3 V for self-powered applications."+ },+ {+ "number": "31",+ "name": "AGNDR",+ "type": "power_in",+ "description": "Analog ground for the R-channel headphone amplifier."+ },+ {+ "number": "32",+ "name": "VCOM",+ "type": "passive",+ "description": "Common voltage for the DAC (VCCP/2); connect a decoupling capacitor to PGND."+ }+ ],+ "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: PCM2706PJTR is the tape-and-reel orderable of the PJT (32-pin TQFP) package, per the package addendu; The '7x7' body size from the package hint does not appear in the provided pages; the text only ident; The page 5 pin-assignment figure text is scrambled, so the positions were taken from the page 7 term"+ ],+ "pages_sent": 10,+ "cost_usd": 0.0816,+ "at": "2026-10-08T20:09:16"+ },+ "datasheet": {+ "url": "https://www.ti.com/cn/lit/gpn/pcm2706",+ "pages": 45,+ "sha256": "b79526de65e54bcf",+ "source_tier": "lcsc"+ },+ "cad": "KiCad official (CC-BY-SA 4.0)",+ "pins": {+ "total": 32,+ "described": 32,+ "cites_pages": true,+ "refuses_to_fabricate": true+ }+ },+ "viewers": {+ "symbol": "viewers/symbol.html",+ "footprint": "viewers/footprint.html"+ },+ "models_3d": [+ {+ "file": "pcm2706pjtr.step",+ "role": "plain",+ "up": "Z",+ "units": "mm",+ "origin": "footprint origin = pad-pattern centre",+ "seat": "z = 0",+ "extents_mm": [+ 9,+ 9,+ 1.1+ ],+ "zmin_mm": 0,+ "centre_offset_mm": 0,+ "footprint_binding": "identity",+ "sha256": "53431be61c684e9d923915676a90cb08050c23ee3f834d76a77a3b19b41422f1",+ "checked": "2026-10-08",+ "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"+ },+ {+ "file": "pcm2706pjtr-etched.step",+ "role": "eda",+ "up": "Z",+ "units": "mm",+ "origin": "footprint origin = pad-pattern centre",+ "seat": "z = 0",+ "extents_mm": [+ 9,+ 9,+ 1.1+ ],+ "zmin_mm": 0,+ "centre_offset_mm": 0,+ "footprint_binding": "identity",+ "sha256": "1e2d1d98883b0cefd990767d83044c24e560339d4cd87c11be58ceb7155c6cd8",+ "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]"+ }+}