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.
main
123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278279280281282283284285286287288289290291292293294295296297298299300301302303304305306307308309310311312313314315316317318319320321322323324325326327328329330331332333334335336337338339340341342343344345346347348349350351352353354355356357358359360361362363364365366367368369370371372373374375376377378379380381382383384385386387388389390391392393394395396397398399400401402403404405406407408409410411
{
"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": [
12.0,
12.0,
1.1
],
"zmin_mm": -0.0,
"centre_offset_mm": 0.0,
"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": [
12.0,
12.0,
1.1
],
"zmin_mm": -0.0,
"centre_offset_mm": 0.0,
"footprint_binding": "identity",
"sha256": "840ed6adb2354a137e0ff7aa4358a3e38255bb8d23b7fc82b0395399b39ed661",
"checked": "2026-10-07",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
}
]
}
}