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
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{
"schema_version": 1,
"type": "component",
"slug": "tda7703tr",
"title": "TDA7703TR",
"brief": "STMicroelectronics RF Transceiver ICs, TQFP-44(10x10). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
"version": "0.1.0",
"license": "CC-BY-SA-4.0",
"tags": [
"component",
"rf and wireless",
"tda7703tr",
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],
"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": {
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"footprint": "tda7703tr.kicad_mod",
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"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
}
},
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"centre_offset_mm": 0,
"footprint_binding": "identity",
"sha256": "61ecec1147f835d2c9d165c450b1c8d53e65b038f6ca1dac3066a2dfb1bbbb85",
"checked": "2026-10-07",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
},
{
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"footprint_binding": "identity",
"sha256": "840ed6adb2354a137e0ff7aa4358a3e38255bb8d23b7fc82b0395399b39ed661",
"checked": "2026-10-07",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
}
]
},
"metadata": {
"specs": {
"Manufacturer": "STMicroelectronics",
"Package": "TQFP-44(10x10)",
"Category": "RF And Wireless",
"Pins": "44"
}
},
"variants": [],
"sections": [
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],
"discovery_triggers": [
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],
"discovery_pitch": "TDA7703TR (STMicroelectronics) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
"author": {
"name": "Ray",
"email": "[email protected]"
},
"dependencies": {},
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