component
SIG7190-ITSP24-RL
Public Made by Adomby adom
Signal Micro Analog To Digital Converters (ADC), TSSOP-24. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278279280281282283284285286287288
{
"slug": "sig7190-itsp24-rl",
"version": "0.1.0",
"type": "component",
"description": "Signal Micro Analog To Digital Converters (ADC), TSSOP-24. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
"tags": [
"component",
"data acquisition",
"sig7190-itsp24-rl",
"factory-2.0.0",
"extractor-text"
],
"dependencies": {},
"hero": {
"type": "image",
"path": "docs/hero.png"
},
"files": [
"page.json",
"README.md",
"sig7190-itsp24-rl.kicad_sym",
"sig7190-itsp24-rl.kicad_mod",
"sig7190-itsp24-rl.glb",
"sig7190-itsp24-rl.step",
"sig7190-itsp24-rl.lbr",
"docs/hero.png",
"docs/sig7190-itsp24-rl-datasheet.pdf",
"viewers/symbol.html",
"viewers/footprint.html",
"sig7190-itsp24-rl-hero.glb",
"sig7190-itsp24-rl-hero.overlay.json",
"sig7190-itsp24-rl-etched.glb"
],
"component": {
"mpn": "SIG7190-ITSP24-RL",
"manufacturer": "Signal Micro",
"package": "TSSOP-24",
"pin_count": 24,
"category": "Data Acquisition",
"subcategory": "Analog To Digital Converters (ADC)",
"datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8604442316635447296",
"parts": {
"symbol": "sig7190-itsp24-rl.kicad_sym",
"footprint": "sig7190-itsp24-rl.kicad_mod",
"model_3d": "sig7190-itsp24-rl-hero.glb",
"model_3d_plain": "sig7190-itsp24-rl-etched.glb",
"model_3d_step": "sig7190-itsp24-rl-etched.step",
"model_3d_step_plain": "sig7190-itsp24-rl.step",
"lbr": "sig7190-itsp24-rl.lbr"
},
"distributor_links": {
"lcsc": "C41367348"
},
"distributor_check": {
"checked_at": "2026-10-18T17:54:01Z",
"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": null,
"status": "quota"
},
"mouser": {
"pn": null,
"status": "quota"
}
},
"pins": [
{
"number": "1",
"name": "MCLK1",
"type": "input",
"description": "Crystal connection; used with MCLK2 when CLK[1:0]=00 to run an external crystal (2.5 MHz maximum crystal frequency per the electrical table)."
},
{
"number": "2",
"name": "MCLK2",
"type": "bidirectional",
"description": "Master clock input (external clock applied to this pin when CLK[1:0]=01) or internal clock output (when CLK[1:0]=11), depending on MODE register bits CLK[1:0]; tristated when CLK[1:0]=10."
},
{
"number": "3",
"name": "SCLK",
"type": "input",
"description": "Serial data clock for the SPI-compatible serial interface."
},
{
"number": "4",
"name": "CSn",
"type": "input",
"description": "Serial chip select, active low."
},
{
"number": "5",
"name": "P3",
"type": "output",
"description": "General purpose output bit between AVDD and AGND, enabled by GP32EN in the GPOCON register."
},
{
"number": "6",
"name": "P2",
"type": "output",
"description": "General purpose output bit between AVDD and AGND, enabled by GP32EN in the GPOCON register."
},
{
"number": "7",
"name": "P1/REFIN2+",
"type": "bidirectional",
"description": "General purpose output bit between AVDD and AGND, or second positive reference input (REFIN2+) when used for REFSEL=1."
},
{
"number": "8",
"name": "P0/REFIN2-",
"type": "bidirectional",
"description": "General purpose output bit between AVDD and AGND, or second negative reference input (REFIN2-) when used for REFSEL=1."
},
{
"number": "9",
"name": "NC",
"type": "unconnected",
"description": "No connection; may float or be connected to AVDD or AGND."
},
{
"number": "10",
"name": "AINCOM",
"type": "input",
"description": "Negative analog input for pseudo-differential operation."
},
{
"number": "11",
"name": "AIN1",
"type": "input",
"description": "Analog input channel 1."
},
{
"number": "12",
"name": "AIN2",
"type": "input",
"description": "Analog input channel 2."
},
{
"number": "13",
"name": "AIN3",
"type": "input",
"description": "Analog input channel 3."
},
{
"number": "14",
"name": "AIN4",
"type": "input",
"description": "Analog input channel 4."
},
{
"number": "15",
"name": "REFIN1+",
"type": "input",
"description": "Positive reference input; differential reference VREF = VREFP - VREFN must be between 0.5 V and AVDD - AGND + 0.1 V."
},
{
"number": "16",
"name": "REFIN1-",
"type": "input",
"description": "Negative reference input; absolute negative reference voltage must be between AGND - 0.05 V and VREFP - 0.5 V."
},
{
"number": "17",
"name": "BPDSW",
"type": "input",
"description": "Bridge power-down switch to AGND, closed under control of the GPOCON BPDSW bit (typical on-resistance 3 Ohms)."
},
{
"number": "18",
"name": "AGND",
"type": "power_in",
"description": "Negative analog power supply; may be taken below DGND to provide bipolar supplies (e.g. AGND = -2.5 V with AVDD = +2.5 V), with the AGND voltage limited to -2.625 V to 0 V."
},
{
"number": "19",
"name": "DGND",
"type": "power_in",
"description": "Digital ground reference point."
},
{
"number": "20",
"name": "AVDD",
"type": "power_in",
"description": "Positive analog power supply, 2.7 V to 5.25 V relative to AGND, independent of DVDD."
},
{
"number": "21",
"name": "DVDD",
"type": "power_in",
"description": "Digital power supply, 2.7 V to 5.25 V, independent of AVDD."
},
{
"number": "22",
"name": "SYNCn_PDn",
"type": "input",
"description": "Synchronization control: while low, the digital filter is reset and DOUT is forced high; holding low for longer than 0.83 ms powers the device down."
},
{
"number": "23",
"name": "DOUT/DRDYn",
"type": "output",
"description": "Serial data output and data-ready indicator; goes low when new conversion data is available."
},
{
"number": "24",
"name": "DIN",
"type": "input",
"description": "Serial data input."
}
],
"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: The datasheet's pin function table lists MCLK1 as 'Digital Input' while describing it as a crystal c; Datasheet labels P3 and P2 as 'Analog Output' (general-purpose digital output bits); typed as output; Pin numbering was taken from the PIN FUNCTION DESCRIPTION table (page 2). The TSSOP-24 block-diagram"
],
"pages_sent": 16,
"cost_usd": 0.1159,
"at": "2026-10-18T17:51:40"
},
"datasheet": {
"url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8604442316635447296",
"pages": 16,
"sha256": "18c49f968cf7faff",
"source_tier": "lcsc"
},
"cad": "KiCad official (CC-BY-SA 4.0)",
"pins": {
"total": 24,
"described": 24,
"cites_pages": true,
"refuses_to_fabricate": true
}
},
"viewers": {
"symbol": "viewers/symbol.html",
"footprint": "viewers/footprint.html"
},
"models_3d": [
{
"file": "sig7190-itsp24-rl.step",
"role": "plain",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
6.4,
7.8,
0.97
],
"zmin_mm": 0.0,
"centre_offset_mm": 0.0,
"footprint_binding": "identity",
"sha256": "706322f42d9793ebf28d5b80100a68bfa8769998a00b78acadf7af937fc1454f",
"checked": "2026-10-18",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
},
{
"file": "sig7190-itsp24-rl-etched.step",
"role": "eda",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
6.4,
7.8,
0.97
],
"zmin_mm": 0.0,
"centre_offset_mm": 0.0,
"footprint_binding": "identity",
"sha256": "94d0524aadf93efa581898554484b1e70b771563b2ac77c02bcde26b05c25bbf",
"checked": "2026-10-18",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
}
]
}
}