component
PCM2706CPJTR
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.
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README.mdadded+68@@ -0,0 +1,68 @@+# PCM2706CPJTR++**Texas Instruments** · ADCs/DACs - Special Purpose · TQFP-32(7x7)++PCM2706CPJTR 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 DAC, oscillator, and PLL. |+| 2 | VCCP | power_in | Analog power supply for DAC, oscillator, and PLL; 3.3 V for self-powered applications with decoupling capacitor required. |+| 3 | HOST | input | Host detection during self-powered operation (connect to VBUS) or maximum power select during bus-powered operation (low: 100 mA, high: 500 mA); 5-V tolerant LV-TTL. |+| 4 | FUNC3 | input | HID play/pause key state input when FSEL = 1 (active high) or I2S data input when FSEL = 0; LV-TTL with internal pulldown. |+| 5 | FUNC0 | bidirectional | HID next-track key state input when FSEL = 1 (active high) or I2S LR clock output when FSEL = 0; LV-TTL with internal pulldown. |+| 6 | HID0/MS | input | Mute key state input for PCM2706C (active high) or MS input for PCM2707C; LV-TTL with internal pulldown. |+| 7 | HID1/MC | input | Volume-up key state input for PCM2706C (active high) or MC input for PCM2707C; LV-TTL with internal pulldown. |+| 8 | HID2/MD | input | Volume-down key state input for PCM2706C (active high) or MD input for PCM2707C; LV-TTL with internal pulldown. |+| 9 | FSEL | input | Function select (low: I2S data output, high: S/PDIF output); LV-TTL level. |+| 10 | TEST | input | Test pin; must be set high for proper operation; LV-TTL level. |+| 11 | SSPND | output | Suspend flag indicating USB suspended state (active low: low when suspended, high when operational). |+| 12 | XTI | input | Crystal oscillator input for 12 MHz ±500 ppm external clock or internal resonator; LV-TTL level. |+| 13 | XTO | output | Crystal oscillator output for external crystal connection; must be left open if external clock is supplied to XTI. |+| 14 | CK | output | Clock output for external ROM I2C interface (PCM2706C); must be left open for PCM2707C. |+| 15 | DT | bidirectional | Data input/output for external ROM I2C interface (PCM2706C); must be left open with pullup resistor for PCM2707C; LV-TTL level. |+| 16 | PSEL | input | Power source select (low: self-powered from 3.3 V, high: bus-powered from 5 V USB); LV-TTL level. |+| 17 | DOUT | output | S/PDIF output when FSEL = 1 or I2S data output when FSEL = 0. |+| 18 | FUNC2 | bidirectional | HID stop key state input when FSEL = 1 (active high) or I2S system clock output when FSEL = 0; LV-TTL with internal pulldown. |+| 19 | FUNC1 | bidirectional | HID previous-track key state input when FSEL = 1 (active high) or I2S bit clock output when FSEL = 0; LV-TTL with internal pulldown. |+| 20 | DGND | power_in | Digital ground. |+| 21 | VDD | power_in | Digital power supply; 3.3 V for self-powered applications with decoupling capacitor required. |+| 22 | D- | bidirectional | USB D- differential signal line (negative); LV-TTL level. |+| 23 | D+ | bidirectional | USB D+ differential signal line (positive) with 1.5 kΩ ±5% pullup resistor to 3.3 V required; LV-TTL level. |+| 24 | VBUS | power_in | Connect to USB bus power (5 V) for bus-powered operation or connect to VDD for self-powered operation. |+| 25 | ZGND | power_in | Ground connection for internal voltage regulator. |+| 26 | AGNDL | power_in | Analog ground for left-channel headphone amplifier. |+| 27 | VCCL | power_in | Analog power supply for left-channel headphone amplifier; 3.3 V for self-powered applications with decoupling capacitor required. |+| 28 | VOUTL | output | DAC analog output for left-channel audio with output impedance 26 kΩ ±20% in powered-off state. |+| 29 | VOUTR | output | DAC analog output for right-channel audio with output impedance 26 kΩ ±20% in powered-off state. |+| 30 | VCCR | power_in | Analog power supply for right-channel headphone amplifier; 3.3 V for self-powered applications with decoupling capacitor required. |+| 31 | AGNDR | power_in | Analog ground for right-channel headphone amplifier. |+| 32 | VCOM | output | Common voltage for DAC output biasing (nominal VCCP/2); connect 100 μF decoupling capacitor to PGND. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Texas Instruments |+| Package | TQFP-32(7x7) |+| Category | Data Acquisition |+| Pins | 32 |++## CAD (KiCad official)++- Symbol: `PCM2706CPJTR`+- Footprint: `Package_QFP:TQFP-32_7x7mm_P0.8mm`+- 3D model: TQFP-32(7x7) (KiCad packages3D, STEP)+- 3D model files: `pcm2706cpjtr-etched.step` / `pcm2706cpjtr-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `pcm2706cpjtr.step` / `pcm2706cpjtr.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/pcm2706c) (53 pp, sha256 `36480dfb52585877`, retrieved 2026-09-26, tier: lcsc)+- **Extractor:** parts-factory `2.0.0` / `extract_pins 0.2`, primary `claude-haiku-4-5-20251001` (text), consensus `claude-sonnet-4-6` (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/pcm2706cpjtr-datasheet.pdf)
page.jsonadded+299@@ -0,0 +1,299 @@+{+ "slug": "pcm2706cpjtr",+ "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",+ "pcm2706cpjtr",+ "factory-2.0.0",+ "extractor-text"+ ],+ "dependencies": {},+ "hero": {+ "type": "image",+ "path": "docs/hero.png"+ },+ "files": [+ "page.json",+ "README.md",+ "pcm2706cpjtr.kicad_sym",+ "pcm2706cpjtr.kicad_mod",+ "pcm2706cpjtr.glb",+ "pcm2706cpjtr.step",+ "pcm2706cpjtr.lbr",+ "docs/hero.png",+ "docs/pcm2706cpjtr-datasheet.pdf",+ "viewers/symbol.html",+ "viewers/footprint.html"+ ],+ "component": {+ "mpn": "PCM2706CPJTR",+ "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/pcm2706c",+ "parts": {+ "symbol": "pcm2706cpjtr.kicad_sym",+ "footprint": "pcm2706cpjtr.kicad_mod",+ "model_3d": "pcm2706cpjtr-etched.glb",+ "model_3d_plain": "pcm2706cpjtr.glb",+ "model_3d_step": "pcm2706cpjtr-etched.step",+ "model_3d_step_plain": "pcm2706cpjtr.step",+ "lbr": "pcm2706cpjtr.lbr"+ },+ "distributor_links": {+ "lcsc": "C2651268",+ "digikey": "296-40481-2-ND",+ "mouser": "595-PCM2706CPJTR"+ },+ "distributor_check": {+ "checked_at": "2026-09-26T18:07:18Z",+ "source": "Component Ocean /api/assign-pns",+ "digikey": {+ "pn": "296-40481-2-ND",+ "status": "found"+ },+ "mouser": {+ "pn": "595-PCM2706CPJTR",+ "status": "found"+ }+ },+ "pins": [+ {+ "number": "1",+ "name": "PGND",+ "type": "power_in",+ "description": "Analog ground for DAC, oscillator, and PLL."+ },+ {+ "number": "2",+ "name": "VCCP",+ "type": "power_in",+ "description": "Analog power supply for DAC, oscillator, and PLL; 3.3 V for self-powered applications with decoupling capacitor required."+ },+ {+ "number": "3",+ "name": "HOST",+ "type": "input",+ "description": "Host detection during self-powered operation (connect to VBUS) or maximum power select during bus-powered operation (low: 100 mA, high: 500 mA); 5-V tolerant LV-TTL."+ },+ {+ "number": "4",+ "name": "FUNC3",+ "type": "input",+ "description": "HID play/pause key state input when FSEL = 1 (active high) or I2S data input when FSEL = 0; LV-TTL with internal pulldown."+ },+ {+ "number": "5",+ "name": "FUNC0",+ "type": "bidirectional",+ "description": "HID next-track key state input when FSEL = 1 (active high) or I2S LR clock output when FSEL = 0; LV-TTL with internal pulldown."+ },+ {+ "number": "6",+ "name": "HID0/MS",+ "type": "input",+ "description": "Mute key state input for PCM2706C (active high) or MS input for PCM2707C; LV-TTL with internal pulldown."+ },+ {+ "number": "7",+ "name": "HID1/MC",+ "type": "input",+ "description": "Volume-up key state input for PCM2706C (active high) or MC input for PCM2707C; LV-TTL with internal pulldown."+ },+ {+ "number": "8",+ "name": "HID2/MD",+ "type": "input",+ "description": "Volume-down key state input for PCM2706C (active high) or MD input for PCM2707C; LV-TTL with internal pulldown."+ },+ {+ "number": "9",+ "name": "FSEL",+ "type": "input",+ "description": "Function select (low: I2S data output, high: S/PDIF output); LV-TTL level."+ },+ {+ "number": "10",+ "name": "TEST",+ "type": "input",+ "description": "Test pin; must be set high for proper operation; LV-TTL level."+ },+ {+ "number": "11",+ "name": "SSPND",+ "type": "output",+ "description": "Suspend flag indicating USB suspended state (active low: low when suspended, high when operational)."+ },+ {+ "number": "12",+ "name": "XTI",+ "type": "input",+ "description": "Crystal oscillator input for 12 MHz ±500 ppm external clock or internal resonator; LV-TTL level."+ },+ {+ "number": "13",+ "name": "XTO",+ "type": "output",+ "description": "Crystal oscillator output for external crystal connection; must be left open if external clock is supplied to XTI."+ },+ {+ "number": "14",+ "name": "CK",+ "type": "output",+ "description": "Clock output for external ROM I2C interface (PCM2706C); must be left open for PCM2707C."+ },+ {+ "number": "15",+ "name": "DT",+ "type": "bidirectional",+ "description": "Data input/output for external ROM I2C interface (PCM2706C); must be left open with pullup resistor for PCM2707C; LV-TTL level."+ },+ {+ "number": "16",+ "name": "PSEL",+ "type": "input",+ "description": "Power source select (low: self-powered from 3.3 V, high: bus-powered from 5 V USB); LV-TTL level."+ },+ {+ "number": "17",+ "name": "DOUT",+ "type": "output",+ "description": "S/PDIF output when FSEL = 1 or I2S data output when FSEL = 0."+ },+ {+ "number": "18",+ "name": "FUNC2",+ "type": "bidirectional",+ "description": "HID stop key state input when FSEL = 1 (active high) or I2S system clock output when FSEL = 0; LV-TTL with internal pulldown."+ },+ {+ "number": "19",+ "name": "FUNC1",+ "type": "bidirectional",+ "description": "HID previous-track key state input when FSEL = 1 (active high) or I2S bit clock output when FSEL = 0; LV-TTL with internal pulldown."+ },+ {+ "number": "20",+ "name": "DGND",+ "type": "power_in",+ "description": "Digital ground."+ },+ {+ "number": "21",+ "name": "VDD",+ "type": "power_in",+ "description": "Digital power supply; 3.3 V for self-powered applications with decoupling capacitor required."+ },+ {+ "number": "22",+ "name": "D-",+ "type": "bidirectional",+ "description": "USB D- differential signal line (negative); LV-TTL level."+ },+ {+ "number": "23",+ "name": "D+",+ "type": "bidirectional",+ "description": "USB D+ differential signal line (positive) with 1.5 kΩ ±5% pullup resistor to 3.3 V required; LV-TTL level."+ },+ {+ "number": "24",+ "name": "VBUS",+ "type": "power_in",+ "description": "Connect to USB bus power (5 V) for bus-powered operation or connect to VDD for self-powered operation."+ },+ {+ "number": "25",+ "name": "ZGND",+ "type": "power_in",+ "description": "Ground connection for internal voltage regulator."+ },+ {+ "number": "26",+ "name": "AGNDL",+ "type": "power_in",+ "description": "Analog ground for left-channel headphone amplifier."+ },+ {+ "number": "27",+ "name": "VCCL",+ "type": "power_in",+ "description": "Analog power supply for left-channel headphone amplifier; 3.3 V for self-powered applications with decoupling capacitor required."+ },+ {+ "number": "28",+ "name": "VOUTL",+ "type": "output",+ "description": "DAC analog output for left-channel audio with output impedance 26 kΩ ±20% in powered-off state."+ },+ {+ "number": "29",+ "name": "VOUTR",+ "type": "output",+ "description": "DAC analog output for right-channel audio with output impedance 26 kΩ ±20% in powered-off state."+ },+ {+ "number": "30",+ "name": "VCCR",+ "type": "power_in",+ "description": "Analog power supply for right-channel headphone amplifier; 3.3 V for self-powered applications with decoupling capacitor required."+ },+ {+ "number": "31",+ "name": "AGNDR",+ "type": "power_in",+ "description": "Analog ground for right-channel headphone amplifier."+ },+ {+ "number": "32",+ "name": "VCOM",+ "type": "output",+ "description": "Common voltage for DAC output biasing (nominal VCCP/2); connect 100 μF decoupling capacitor to PGND."+ }+ ],+ "provenance": {+ "extractor": "extract_pins 0.2",+ "factory_chain": {+ "factory": "2.0.0",+ "extractor": "extract_pins 0.2",+ "primary_model": "claude-haiku-4-5-20251001",+ "primary_mode": "text",+ "consensus_model": "claude-sonnet-4-6",+ "consensus": "agreed",+ "guards": "pin_guards 0.1: passed",+ "guard_notes": [],+ "pages_sent": 53,+ "cost_usd": 0.5161,+ "at": "2026-09-26T18:06:55"+ },+ "datasheet": {+ "url": "https://www.ti.com/cn/lit/gpn/pcm2706c",+ "pages": 53,+ "sha256": "36480dfb52585877",+ "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"+ }+ },+ "visibility": "public",+ "org": "adom",+ "author": {+ "name": "Ray",+ "email": "[email protected]"+ }+}