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TLV320AIC20CPFB
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Texas Instruments Audio Interface ICs, TQFP-48(7x7). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
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README.mdadded+84@@ -0,0 +1,84 @@+# TLV320AIC20CPFB++**Texas Instruments** · Audio Interface ICs · TQFP-48(7x7)++TLV320AIC20CPFB from Texas Instruments, in a TQFP-48(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 | HDSI- | input | Head-set differential input signal (negative terminal) that can be treated similar to line-input pins. |+| 2 | HDSI+ | input | Head-set differential input signal (positive terminal) that can be treated similar to line-input pins. |+| 3 | HDSO- | output | Head-set differential output signal (negative terminal) with 150Ω load impedance. |+| 4 | HDSO+ | output | Head-set differential output signal (positive terminal) with 150Ω load impedance. |+| 5 | AVDD2 | power_in | Analog power supply pin with recommended operating range of 2.7V to 3.6V. |+| 6 | AVSS2 | power_in | Analog ground reference connection. |+| 7 | TESTP | input | Test pin that should be connected to digital ground. |+| 8 | NC | unconnected | Not connected internally. |+| 9 | PWRDN | input | Power-down mode control input. |+| 10 | SDA | bidirectional | I2C/S2C serial data input/output line. |+| 11 | SCL | input | I2C/S2C serial clock input. |+| 12 | IOVDD | power_in | Digital I/O power supply with recommended operating range of 1.1V to 3.6V. |+| 13 | IOVSS | power_in | Digital I/O ground reference connection. |+| 14 | FSD | output | Frame synchronization signal delayed output. |+| 15 | DVDD | power_in | Digital core power supply with recommended operating range of 1.65V to 1.95V (1.8V nominal). |+| 16 | DVSS | power_in | Digital core ground reference connection. |+| 17 | DOUT | output | Serial port data output. |+| 18 | DIN | input | Serial port data input. |+| 19 | FS | bidirectional | Frame synchronization signal input/output. |+| 20 | SCLK | bidirectional | Serial port bit clock input/output. |+| 21 | M/S | input | Master/slave mode select input applied to CODEC1 only; CODEC2 is always a slave. |+| 22 | MCLK | input | Master clock input with maximum frequency of 100MHz. |+| 23 | RESET | input | Asynchronous reset input. |+| 24 | VSS | power_in | Device ground reference that should typically be connected to analog ground. |+| 25 | DRVSS1 | power_in | Analog output driver stage ground reference connection. |+| 26 | SPKO+ | output | Speaker differential output signal (positive terminal) with 8Ω load impedance. |+| 27 | DRVDD | power_in | Analog output driver power supply with recommended operating range of 2.7V to 3.6V. |+| 28 | SPKO- | output | Speaker differential output signal (negative terminal) with 8Ω load impedance. |+| 29 | DRVSS2 | power_in | Analog output driver stage ground reference connection. |+| 30 | CIDI- | input | Caller-ID differential input signal (negative terminal) that can be treated similar to line-input pins. |+| 31 | CIDI+ | input | Caller-ID differential input signal (positive terminal) that can be treated similar to line-input pins. |+| 32 | AVSS1 | power_in | Analog ground reference connection. |+| 33 | AVDD1 | power_in | Analog power supply pin with recommended operating range of 2.7V to 3.6V. |+| 34 | MICI- | input | Microphone differential input signal (negative terminal). |+| 35 | MICI+ | input | Microphone differential input signal (positive terminal). |+| 36 | MICBIAS | input | Microphone bias voltage output for external microphone impedance. |+| 37 | LCDAC | output | 6-bit digital-to-analog converter output for LCD display control. |+| 38 | HNSO- | output | Hand-set speaker differential output signal (negative terminal) with 150Ω load impedance. |+| 39 | HNSO+ | output | Hand-set speaker differential output signal (positive terminal) with 150Ω load impedance. |+| 40 | HNSI- | input | Hand-set differential input signal (negative terminal) that can be treated similar to line-input pins. |+| 41 | HNSI+ | input | Hand-set differential input signal (positive terminal) that can be treated similar to line-input pins. |+| 42 | AVDD | power_in | Analog power supply pin with recommended operating range of 2.7V to 3.6V. |+| 43 | AVSS | power_in | Analog ground reference connection. |+| 44 | LINEI+ | input | Line differential input signal (positive terminal). |+| 45 | LINEI- | input | Line differential input signal (negative terminal). |+| 46 | LINEO- | output | Line differential output signal (negative terminal) with 600Ω load impedance. |+| 47 | LINEO+ | output | Line differential output signal (positive terminal) with 600Ω load impedance. |+| 48 | NC | unconnected | Not connected internally. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Texas Instruments |+| Package | TQFP-48(7x7) |+| Category | Interface |+| Pins | 48 |++## CAD (KiCad official)++- Symbol: `TLV320AIC20CPFB`+- Footprint: `Package_QFP:TQFP-48_7x7mm_P0.5mm`+- 3D model: TQFP-48(7x7) (KiCad packages3D, STEP)+- 3D model files: `tlv320aic20cpfb-etched.step` / `tlv320aic20cpfb-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `tlv320aic20cpfb.step` / `tlv320aic20cpfb.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/tlv320aic20) (59 pp, sha256 `7a5a9cd5d93147bf`, 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/tlv320aic20cpfb-datasheet.pdf)
page.jsonadded+400@@ -0,0 +1,400 @@+{+ "slug": "tlv320aic20cpfb",+ "version": "0.1.0",+ "type": "component",+ "description": "Texas Instruments Audio Interface ICs, TQFP-48(7x7). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",+ "tags": [+ "component",+ "interface",+ "tlv320aic20cpfb",+ "factory-2.0.0",+ "extractor-text"+ ],+ "dependencies": {},+ "hero": {+ "type": "image",+ "path": "docs/hero.png"+ },+ "files": [+ "page.json",+ "README.md",+ "tlv320aic20cpfb.kicad_sym",+ "tlv320aic20cpfb.kicad_mod",+ "tlv320aic20cpfb.glb",+ "tlv320aic20cpfb.step",+ "tlv320aic20cpfb.lbr",+ "docs/hero.png",+ "docs/tlv320aic20cpfb-datasheet.pdf",+ "viewers/symbol.html",+ "viewers/footprint.html",+ "tlv320aic20cpfb-hero.glb",+ "tlv320aic20cpfb-hero.overlay.json"+ ],+ "component": {+ "mpn": "TLV320AIC20CPFB",+ "manufacturer": "Texas Instruments",+ "package": "TQFP-48(7x7)",+ "pin_count": 48,+ "category": "Interface",+ "subcategory": "Audio Interface ICs",+ "datasheet": "https://www.ti.com/cn/lit/gpn/tlv320aic20",+ "parts": {+ "symbol": "tlv320aic20cpfb.kicad_sym",+ "footprint": "tlv320aic20cpfb.kicad_mod",+ "model_3d": "tlv320aic20cpfb-hero.glb",+ "model_3d_plain": "tlv320aic20cpfb.glb",+ "model_3d_step": "tlv320aic20cpfb-etched.step",+ "model_3d_step_plain": "tlv320aic20cpfb.step",+ "lbr": "tlv320aic20cpfb.lbr"+ },+ "distributor_links": {+ "lcsc": 4990568,+ "digikey": "2156-TLV320AIC20CPFB-ND",+ "mouser": "595-TLV320AIC20CPFB"+ },+ "distributor_check": {+ "checked_at": "2026-10-06T17:02:22Z",+ "source": "Component Ocean /api/assign-pns",+ "digikey": {+ "pn": "2156-TLV320AIC20CPFB-ND",+ "status": "found",+ "lifecycle": "Active"+ },+ "mouser": {+ "pn": "595-TLV320AIC20CPFB",+ "status": "found"+ }+ },+ "pins": [+ {+ "number": "1",+ "name": "HDSI-",+ "type": "input",+ "description": "Head-set differential input signal (negative terminal) that can be treated similar to line-input pins."+ },+ {+ "number": "2",+ "name": "HDSI+",+ "type": "input",+ "description": "Head-set differential input signal (positive terminal) that can be treated similar to line-input pins."+ },+ {+ "number": "3",+ "name": "HDSO-",+ "type": "output",+ "description": "Head-set differential output signal (negative terminal) with 150Ω load impedance."+ },+ {+ "number": "4",+ "name": "HDSO+",+ "type": "output",+ "description": "Head-set differential output signal (positive terminal) with 150Ω load impedance."+ },+ {+ "number": "5",+ "name": "AVDD2",+ "type": "power_in",+ "description": "Analog power supply pin with recommended operating range of 2.7V to 3.6V."+ },+ {+ "number": "6",+ "name": "AVSS2",+ "type": "power_in",+ "description": "Analog ground reference connection."+ },+ {+ "number": "7",+ "name": "TESTP",+ "type": "input",+ "description": "Test pin that should be connected to digital ground."+ },+ {+ "number": "8",+ "name": "NC",+ "type": "unconnected",+ "description": "Not connected internally."+ },+ {+ "number": "9",+ "name": "PWRDN",+ "type": "input",+ "description": "Power-down mode control input."+ },+ {+ "number": "10",+ "name": "SDA",+ "type": "bidirectional",+ "description": "I2C/S2C serial data input/output line."+ },+ {+ "number": "11",+ "name": "SCL",+ "type": "input",+ "description": "I2C/S2C serial clock input."+ },+ {+ "number": "12",+ "name": "IOVDD",+ "type": "power_in",+ "description": "Digital I/O power supply with recommended operating range of 1.1V to 3.6V."+ },+ {+ "number": "13",+ "name": "IOVSS",+ "type": "power_in",+ "description": "Digital I/O ground reference connection."+ },+ {+ "number": "14",+ "name": "FSD",+ "type": "output",+ "description": "Frame synchronization signal delayed output."+ },+ {+ "number": "15",+ "name": "DVDD",+ "type": "power_in",+ "description": "Digital core power supply with recommended operating range of 1.65V to 1.95V (1.8V nominal)."+ },+ {+ "number": "16",+ "name": "DVSS",+ "type": "power_in",+ "description": "Digital core ground reference connection."+ },+ {+ "number": "17",+ "name": "DOUT",+ "type": "output",+ "description": "Serial port data output."+ },+ {+ "number": "18",+ "name": "DIN",+ "type": "input",+ "description": "Serial port data input."+ },+ {+ "number": "19",+ "name": "FS",+ "type": "bidirectional",+ "description": "Frame synchronization signal input/output."+ },+ {+ "number": "20",+ "name": "SCLK",+ "type": "bidirectional",+ "description": "Serial port bit clock input/output."+ },+ {+ "number": "21",+ "name": "M/S",+ "type": "input",+ "description": "Master/slave mode select input applied to CODEC1 only; CODEC2 is always a slave."+ },+ {+ "number": "22",+ "name": "MCLK",+ "type": "input",+ "description": "Master clock input with maximum frequency of 100MHz."+ },+ {+ "number": "23",+ "name": "RESET",+ "type": "input",+ "description": "Asynchronous reset input."+ },+ {+ "number": "24",+ "name": "VSS",+ "type": "power_in",+ "description": "Device ground reference that should typically be connected to analog ground."+ },+ {+ "number": "25",+ "name": "DRVSS1",+ "type": "power_in",+ "description": "Analog output driver stage ground reference connection."+ },+ {+ "number": "26",+ "name": "SPKO+",+ "type": "output",+ "description": "Speaker differential output signal (positive terminal) with 8Ω load impedance."+ },+ {+ "number": "27",+ "name": "DRVDD",+ "type": "power_in",+ "description": "Analog output driver power supply with recommended operating range of 2.7V to 3.6V."+ },+ {+ "number": "28",+ "name": "SPKO-",+ "type": "output",+ "description": "Speaker differential output signal (negative terminal) with 8Ω load impedance."+ },+ {+ "number": "29",+ "name": "DRVSS2",+ "type": "power_in",+ "description": "Analog output driver stage ground reference connection."+ },+ {+ "number": "30",+ "name": "CIDI-",+ "type": "input",+ "description": "Caller-ID differential input signal (negative terminal) that can be treated similar to line-input pins."+ },+ {+ "number": "31",+ "name": "CIDI+",+ "type": "input",+ "description": "Caller-ID differential input signal (positive terminal) that can be treated similar to line-input pins."+ },+ {+ "number": "32",+ "name": "AVSS1",+ "type": "power_in",+ "description": "Analog ground reference connection."+ },+ {+ "number": "33",+ "name": "AVDD1",+ "type": "power_in",+ "description": "Analog power supply pin with recommended operating range of 2.7V to 3.6V."+ },+ {+ "number": "34",+ "name": "MICI-",+ "type": "input",+ "description": "Microphone differential input signal (negative terminal)."+ },+ {+ "number": "35",+ "name": "MICI+",+ "type": "input",+ "description": "Microphone differential input signal (positive terminal)."+ },+ {+ "number": "36",+ "name": "MICBIAS",+ "type": "input",+ "description": "Microphone bias voltage output for external microphone impedance."+ },+ {+ "number": "37",+ "name": "LCDAC",+ "type": "output",+ "description": "6-bit digital-to-analog converter output for LCD display control."+ },+ {+ "number": "38",+ "name": "HNSO-",+ "type": "output",+ "description": "Hand-set speaker differential output signal (negative terminal) with 150Ω load impedance."+ },+ {+ "number": "39",+ "name": "HNSO+",+ "type": "output",+ "description": "Hand-set speaker differential output signal (positive terminal) with 150Ω load impedance."+ },+ {+ "number": "40",+ "name": "HNSI-",+ "type": "input",+ "description": "Hand-set differential input signal (negative terminal) that can be treated similar to line-input pins."+ },+ {+ "number": "41",+ "name": "HNSI+",+ "type": "input",+ "description": "Hand-set differential input signal (positive terminal) that can be treated similar to line-input pins."+ },+ {+ "number": "42",+ "name": "AVDD",+ "type": "power_in",+ "description": "Analog power supply pin with recommended operating range of 2.7V to 3.6V."+ },+ {+ "number": "43",+ "name": "AVSS",+ "type": "power_in",+ "description": "Analog ground reference connection."+ },+ {+ "number": "44",+ "name": "LINEI+",+ "type": "input",+ "description": "Line differential input signal (positive terminal)."+ },+ {+ "number": "45",+ "name": "LINEI-",+ "type": "input",+ "description": "Line differential input signal (negative terminal)."+ },+ {+ "number": "46",+ "name": "LINEO-",+ "type": "output",+ "description": "Line differential output signal (negative terminal) with 600Ω load impedance."+ },+ {+ "number": "47",+ "name": "LINEO+",+ "type": "output",+ "description": "Line differential output signal (positive terminal) with 600Ω load impedance."+ },+ {+ "number": "48",+ "name": "NC",+ "type": "unconnected",+ "description": "Not connected internally."+ }+ ],+ "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": [+ "extractor flagged: Pin 36 (MICBIAS) is classified as input (I) in the datasheet Terminal Functions table, but based on "+ ],+ "pages_sent": 10,+ "cost_usd": 0.2003,+ "at": "2026-10-06T17:02:01"+ },+ "datasheet": {+ "url": "https://www.ti.com/cn/lit/gpn/tlv320aic20",+ "pages": 59,+ "sha256": "7a5a9cd5d93147bf",+ "source_tier": "lcsc"+ },+ "cad": "KiCad official (CC-BY-SA 4.0)",+ "pins": {+ "total": 48,+ "described": 48,+ "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]"+ }+}