component
TDA7703TR
Public Made by Adomby adom
STMicroelectronics RF Transceiver ICs, TQFP-44(10x10). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
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README.mdadded+80@@ -0,0 +1,80 @@+# TDA7703TR++**STMicroelectronics** · RF Transceiver ICs · TQFP-44(10x10)++TDA7703TR from STMicroelectronics, in a TQFP-44(10x10). 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 | LF1 | passive | PLL loopfilter output. |+| 2 | TCAGCFM | passive | FM AGC time constant, set by an external capacitor. |+| 3 | FMMIXDEC | passive | FM mixer decoupling. |+| 4 | FMMIXIN | input | FM mixer input (written FMIXIN in Table 2, FMMIXIN in Figure 2). |+| 5 | GND-RF | power_in | RF ground. |+| 6 | FMPINDRV | output | FM AGC PIN diode driver, able to drive external PIN diodes with current as high as 15 mA. |+| 7 | VCC-RF | power_in | 5 V supply for RF section. |+| 8 | TCAM | passive | AM AGC time constant, set by an external capacitor. |+| 9 | PINDDEC | passive | AM AGC internal PIN diode decoupling. |+| 10 | PINDIN | input | AM AGC internal PIN diode input. |+| 11 | GND-LNA | power_in | Ground of AM LNA, AM internal PIN diode, AM mixer and IF. |+| 12 | LNAIN | input | AM LNA input. |+| 13 | LNADEC | passive | AM LNA decoupling. |+| 14 | LNAOUT | output | AM LNA output of first stage. |+| 15 | LNAIN2 | input | AM LNA input of 2nd stage. |+| 16 | LNAOUT2 | output | AM LNA output. |+| 17 | LNADEC2 | passive | AM LNA decoupling for 2nd stage. |+| 18 | AMMIXIN | input | AM mixer input. |+| 19 | VREF165 | passive | 1.65 V reference voltage decoupling. |+| 20 | VREFDEC | passive | 3.3 V reference voltage decoupling. |+| 21 | GND-DIG | power_in | Digital ground. |+| 22 | VCC-DIG | power_in | 5 V supply for digital logic. |+| 23 | VCCREG1V2 | power_in | VCC of the 1.2 V regulator. |+| 24 | REG1V2 | power_out | 1.2 V regulator output. |+| 25 | VDD-3V3 | power_out | 3.3 V VDD output / decoupling. |+| 26 | SDA | bidirectional | I2C bus data. |+| 27 | SCL | input | I2C bus clock. |+| 28 | VDD-1V2 | power_in | 1.2 V DSP supply. |+| 29 | BUSSET | input | Bus communication setup. |+| 30 | RSTN | input | Reset pin, active low. |+| 31 | VDD-1V2 | power_in | 1.2 V DSP supply. |+| 32 | GND-1V2 | power_in | Digital ground for 1.2 V VDD. |+| 33 | VCC-DAC | power_in | 5 V supply of audio DAC. |+| 34 | OSCOUT | output | Crystal oscillator output (37.05 MHz fundamental or 3rd overtone crystal). |+| 35 | OSCIN | input | Crystal oscillator input (37.05 MHz fundamental or 3rd overtone crystal). |+| 36 | GND-DAC | power_in | Audio DAC ground. |+| 37 | DACOUTL | output | Audio output left. |+| 38 | DACOUTR | output | Audio output right. |+| 39 | GND-IFADC | power_in | IF ADC ground. |+| 40 | VCC-IFADC | power_in | 5 V supply of IF ADC. |+| 41 | VCC-PLL | power_in | 5 V supply of PLL. |+| 42 | GND-PLL | power_in | PLL ground. |+| 43 | VCC-VCO | power_in | 5 V supply of VCO. |+| 44 | GND-VCO | power_in | VCO ground. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | STMicroelectronics |+| Package | TQFP-44(10x10) |+| Category | RF And Wireless |+| Pins | 44 |++## CAD (KiCad official)++- Symbol: `TDA7703TR`+- Footprint: `Package_QFP:TQFP-44_10x10mm_P0.8mm`+- 3D model: TQFP-44(10x10) (KiCad packages3D, STEP)+- 3D model files: `tda7703tr-etched.step` / `tda7703tr-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `tda7703tr.step` / `tda7703tr.glb` are the bare package body.++## Provenance++Data extracted from the manufacturer datasheet, not a distributor listing:++- **Datasheet:** [STMicroelectronics datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590156214551146496) (32 pp, sha256 `8134561c67c11cdf`, retrieved 2026-10-07, 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/tda7703tr-datasheet.pdf)
page.jsonadded+417@@ -0,0 +1,417 @@+{+ "slug": "tda7703tr",+ "version": "0.1.0",+ "type": "component",+ "description": "STMicroelectronics RF Transceiver ICs, TQFP-44(10x10). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",+ "tags": [+ "component",+ "rf and wireless",+ "tda7703tr",+ "factory-2.0.0",+ "extractor-text"+ ],+ "dependencies": {},+ "hero": {+ "type": "image",+ "path": "docs/hero.png"+ },+ "files": [+ "page.json",+ "README.md",+ "tda7703tr.kicad_sym",+ "tda7703tr.kicad_mod",+ "tda7703tr.glb",+ "tda7703tr.step",+ "tda7703tr.lbr",+ "docs/hero.png",+ "docs/tda7703tr-datasheet.pdf",+ "viewers/symbol.html",+ "viewers/footprint.html",+ "tda7703tr-hero.glb",+ "tda7703tr-hero.overlay.json"+ ],+ "component": {+ "mpn": "TDA7703TR",+ "manufacturer": "STMicroelectronics",+ "package": "TQFP-44(10x10)",+ "pin_count": 44,+ "category": "RF And Wireless",+ "subcategory": "RF Transceiver ICs",+ "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590156214551146496",+ "parts": {+ "symbol": "tda7703tr.kicad_sym",+ "footprint": "tda7703tr.kicad_mod",+ "model_3d": "tda7703tr-hero.glb",+ "model_3d_plain": "tda7703tr.glb",+ "model_3d_step": "tda7703tr-etched.step",+ "model_3d_step_plain": "tda7703tr.step",+ "lbr": "tda7703tr.lbr"+ },+ "distributor_links": {+ "lcsc": "C2654626",+ "digikey": "TDA7703TR-ND",+ "mouser": "511-TDA7703TR"+ },+ "distributor_check": {+ "checked_at": "2026-10-07T22:25:01Z",+ "source": "Component Ocean /api/assign-pns",+ "digikey": {+ "pn": "TDA7703TR-ND",+ "status": "found",+ "lifecycle": "Obsolete"+ },+ "mouser": {+ "pn": "511-TDA7703TR",+ "status": "found",+ "lifecycle": "End of Life"+ }+ },+ "pins": [+ {+ "number": "1",+ "name": "LF1",+ "type": "passive",+ "description": "PLL loopfilter output."+ },+ {+ "number": "2",+ "name": "TCAGCFM",+ "type": "passive",+ "description": "FM AGC time constant, set by an external capacitor."+ },+ {+ "number": "3",+ "name": "FMMIXDEC",+ "type": "passive",+ "description": "FM mixer decoupling."+ },+ {+ "number": "4",+ "name": "FMMIXIN",+ "type": "input",+ "description": "FM mixer input (written FMIXIN in Table 2, FMMIXIN in Figure 2)."+ },+ {+ "number": "5",+ "name": "GND-RF",+ "type": "power_in",+ "description": "RF ground."+ },+ {+ "number": "6",+ "name": "FMPINDRV",+ "type": "output",+ "description": "FM AGC PIN diode driver, able to drive external PIN diodes with current as high as 15 mA."+ },+ {+ "number": "7",+ "name": "VCC-RF",+ "type": "power_in",+ "description": "5 V supply for RF section."+ },+ {+ "number": "8",+ "name": "TCAM",+ "type": "passive",+ "description": "AM AGC time constant, set by an external capacitor."+ },+ {+ "number": "9",+ "name": "PINDDEC",+ "type": "passive",+ "description": "AM AGC internal PIN diode decoupling."+ },+ {+ "number": "10",+ "name": "PINDIN",+ "type": "input",+ "description": "AM AGC internal PIN diode input."+ },+ {+ "number": "11",+ "name": "GND-LNA",+ "type": "power_in",+ "description": "Ground of AM LNA, AM internal PIN diode, AM mixer and IF."+ },+ {+ "number": "12",+ "name": "LNAIN",+ "type": "input",+ "description": "AM LNA input."+ },+ {+ "number": "13",+ "name": "LNADEC",+ "type": "passive",+ "description": "AM LNA decoupling."+ },+ {+ "number": "14",+ "name": "LNAOUT",+ "type": "output",+ "description": "AM LNA output of first stage."+ },+ {+ "number": "15",+ "name": "LNAIN2",+ "type": "input",+ "description": "AM LNA input of 2nd stage."+ },+ {+ "number": "16",+ "name": "LNAOUT2",+ "type": "output",+ "description": "AM LNA output."+ },+ {+ "number": "17",+ "name": "LNADEC2",+ "type": "passive",+ "description": "AM LNA decoupling for 2nd stage."+ },+ {+ "number": "18",+ "name": "AMMIXIN",+ "type": "input",+ "description": "AM mixer input."+ },+ {+ "number": "19",+ "name": "VREF165",+ "type": "passive",+ "description": "1.65 V reference voltage decoupling."+ },+ {+ "number": "20",+ "name": "VREFDEC",+ "type": "passive",+ "description": "3.3 V reference voltage decoupling."+ },+ {+ "number": "21",+ "name": "GND-DIG",+ "type": "power_in",+ "description": "Digital ground."+ },+ {+ "number": "22",+ "name": "VCC-DIG",+ "type": "power_in",+ "description": "5 V supply for digital logic."+ },+ {+ "number": "23",+ "name": "VCCREG1V2",+ "type": "power_in",+ "description": "VCC of the 1.2 V regulator."+ },+ {+ "number": "24",+ "name": "REG1V2",+ "type": "power_out",+ "description": "1.2 V regulator output."+ },+ {+ "number": "25",+ "name": "VDD-3V3",+ "type": "power_out",+ "description": "3.3 V VDD output / decoupling."+ },+ {+ "number": "26",+ "name": "SDA",+ "type": "bidirectional",+ "description": "I2C bus data."+ },+ {+ "number": "27",+ "name": "SCL",+ "type": "input",+ "description": "I2C bus clock."+ },+ {+ "number": "28",+ "name": "VDD-1V2",+ "type": "power_in",+ "description": "1.2 V DSP supply."+ },+ {+ "number": "29",+ "name": "BUSSET",+ "type": "input",+ "description": "Bus communication setup."+ },+ {+ "number": "30",+ "name": "RSTN",+ "type": "input",+ "description": "Reset pin, active low."+ },+ {+ "number": "31",+ "name": "VDD-1V2",+ "type": "power_in",+ "description": "1.2 V DSP supply."+ },+ {+ "number": "32",+ "name": "GND-1V2",+ "type": "power_in",+ "description": "Digital ground for 1.2 V VDD."+ },+ {+ "number": "33",+ "name": "VCC-DAC",+ "type": "power_in",+ "description": "5 V supply of audio DAC."+ },+ {+ "number": "34",+ "name": "OSCOUT",+ "type": "output",+ "description": "Crystal oscillator output (37.05 MHz fundamental or 3rd overtone crystal)."+ },+ {+ "number": "35",+ "name": "OSCIN",+ "type": "input",+ "description": "Crystal oscillator input (37.05 MHz fundamental or 3rd overtone crystal)."+ },+ {+ "number": "36",+ "name": "GND-DAC",+ "type": "power_in",+ "description": "Audio DAC ground."+ },+ {+ "number": "37",+ "name": "DACOUTL",+ "type": "output",+ "description": "Audio output left."+ },+ {+ "number": "38",+ "name": "DACOUTR",+ "type": "output",+ "description": "Audio output right."+ },+ {+ "number": "39",+ "name": "GND-IFADC",+ "type": "power_in",+ "description": "IF ADC ground."+ },+ {+ "number": "40",+ "name": "VCC-IFADC",+ "type": "power_in",+ "description": "5 V supply of IF ADC."+ },+ {+ "number": "41",+ "name": "VCC-PLL",+ "type": "power_in",+ "description": "5 V supply of PLL."+ },+ {+ "number": "42",+ "name": "GND-PLL",+ "type": "power_in",+ "description": "PLL ground."+ },+ {+ "number": "43",+ "name": "VCC-VCO",+ "type": "power_in",+ "description": "5 V supply of VCO."+ },+ {+ "number": "44",+ "name": "GND-VCO",+ "type": "power_in",+ "description": "VCO ground."+ }+ ],+ "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: Package naming differs: the requested package is TQFP-44 (10x10), but the datasheet only describes L; Pin 4 is named 'FMIXIN' in Table 2 but 'FMMIXIN' in the Figure 2 pin diagram. The table name was use; The datasheet is marked 'Target specification / preliminary'; the pin assignments may change. Pin ty"+ ],+ "pages_sent": 11,+ "cost_usd": 0.0819,+ "at": "2026-10-07T22:24:38"+ },+ "datasheet": {+ "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590156214551146496",+ "pages": 32,+ "sha256": "8134561c67c11cdf",+ "source_tier": "lcsc"+ },+ "cad": "KiCad official (CC-BY-SA 4.0)",+ "pins": {+ "total": 44,+ "described": 44,+ "cites_pages": true,+ "refuses_to_fabricate": true+ }+ },+ "viewers": {+ "symbol": "viewers/symbol.html",+ "footprint": "viewers/footprint.html"+ },+ "models_3d": [+ {+ "file": "tda7703tr.step",+ "role": "plain",+ "up": "Z",+ "units": "mm",+ "origin": "footprint origin = pad-pattern centre",+ "seat": "z = 0",+ "extents_mm": [+ 12,+ 12,+ 1.1+ ],+ "zmin_mm": 0,+ "centre_offset_mm": 0,+ "footprint_binding": "identity",+ "sha256": "61ecec1147f835d2c9d165c450b1c8d53e65b038f6ca1dac3066a2dfb1bbbb85",+ "checked": "2026-10-07",+ "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"+ },+ {+ "file": "tda7703tr-etched.step",+ "role": "eda",+ "up": "Z",+ "units": "mm",+ "origin": "footprint origin = pad-pattern centre",+ "seat": "z = 0",+ "extents_mm": [+ 12,+ 12,+ 1.1+ ],+ "zmin_mm": 0,+ "centre_offset_mm": 0,+ "footprint_binding": "identity",+ "sha256": "840ed6adb2354a137e0ff7aa4358a3e38255bb8d23b7fc82b0395399b39ed661",+ "checked": "2026-10-07",+ "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"+ }+ ]+ },+ "visibility": "public",+ "org": "adom",+ "author": {+ "name": "Ray",+ "email": "[email protected]"+ }+}