component
CS5550-ISZ
Public Made by Adomby adom
Cirrus Logic Analog To Digital Converters (ADCs), SSOP-24. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
Ray
Publish 0.1.0
c6578b4
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"description": "Cirrus Logic Analog To Digital Converters (ADCs), SSOP-24. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
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"data converters",
"cs5550-isz",
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"component": {
"mpn": "CS5550-ISZ",
"manufacturer": "Cirrus Logic",
"package": "SSOP-24",
"pin_count": 24,
"category": "Data Converters",
"subcategory": "Analog To Digital Converters (ADCs)",
"datasheet": "https://datasheet.lcsc.com/datasheet/pdf/9f3ef23b5d8941828319cc41261119d3.pdf",
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"distributor_links": {
"lcsc": "C12358",
"digikey": "598-CS5550-ISZ-ND",
"mouser": "777-CS5550-ISZ"
},
"distributor_check": {
"checked_at": "2026-10-23T06:19:39Z",
"source": "Component Ocean /api/assign-pns",
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"pn": "598-CS5550-ISZ-ND",
"status": "found",
"lifecycle": "Active"
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"pn": "777-CS5550-ISZ",
"status": "found",
"lifecycle": "End of Life"
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},
"pins": [
{
"number": "1",
"name": "XOUT",
"type": "output",
"description": "Crystal oscillator output; an internal gate connects to XIN/XOUT for a crystal to provide the system clock."
},
{
"number": "2",
"name": "CPUCLK",
"type": "output",
"description": "Output of the on-chip oscillator which can drive one standard CMOS load."
},
{
"number": "3",
"name": "VD+",
"type": "power_in",
"description": "Positive digital supply relative to DGND."
},
{
"number": "4",
"name": "DGND",
"type": "power_in",
"description": "Digital ground; its common-mode potential must be equal to or above the common-mode potential of AGND."
},
{
"number": "5",
"name": "SCLK",
"type": "input",
"description": "Serial clock input that sets the data rate of SDI and SDO; recognized only when CS is low."
},
{
"number": "6",
"name": "SDO",
"type": "tri_state",
"description": "Serial data port output, in a high impedance state when CS is high."
},
{
"number": "7",
"name": "CS",
"type": "input",
"description": "Chip select; when low the port recognizes SCLK, when high SDO is forced to high impedance, and it should be changed only when SCLK is low."
},
{
"number": "8",
"name": "TSTO",
"type": "unconnected",
"description": "Test output used for factory testing; must be left floating."
},
{
"number": "9",
"name": "AIN2+",
"type": "input",
"description": "Positive differential analog input of channel 2."
},
{
"number": "10",
"name": "AIN2-",
"type": "input",
"description": "Negative differential analog input of channel 2."
},
{
"number": "11",
"name": "VREFOUT",
"type": "output",
"description": "On-chip voltage reference output, nominally 2.5 V referenced to AGND."
},
{
"number": "12",
"name": "VREFIN",
"type": "input",
"description": "Input that establishes the voltage reference for the on-chip modulator."
},
{
"number": "13",
"name": "AGND",
"type": "power_in",
"description": "Analog ground; must be at the lowest potential."
},
{
"number": "14",
"name": "VA+",
"type": "power_in",
"description": "Positive analog supply relative to AGND."
},
{
"number": "15",
"name": "AIN1-",
"type": "input",
"description": "Negative differential analog input of channel 1."
},
{
"number": "16",
"name": "AIN1+",
"type": "input",
"description": "Positive differential analog input of channel 1."
},
{
"number": "17",
"name": "TSTO",
"type": "unconnected",
"description": "Test output used for factory testing; must be left floating."
},
{
"number": "18",
"name": "TSTO",
"type": "unconnected",
"description": "Test output used for factory testing; must be left floating."
},
{
"number": "19",
"name": "RESET",
"type": "input",
"description": "When taken low, all internal registers are set to their default states."
},
{
"number": "20",
"name": "INT",
"type": "output",
"description": "Interrupt output; goes low to signal that an enabled event has occurred."
},
{
"number": "21",
"name": "TSTO",
"type": "unconnected",
"description": "Test output used for factory testing; must be left floating."
},
{
"number": "22",
"name": "TSTO",
"type": "unconnected",
"description": "Test output used for factory testing; must be left floating."
},
{
"number": "23",
"name": "SDI",
"type": "input",
"description": "Serial data port input; data is input at a rate determined by SCLK."
},
{
"number": "24",
"name": "XIN",
"type": "input",
"description": "Crystal input, or external CMOS-compatible clock input providing the system clock."
}
],
"provenance": {
"extractor": "extract_pins 0.3",
"factory_chain": {
"factory": "2.0.0",
"extractor": "extract_pins 0.3",
"primary_model": "claude-sonnet-5-5",
"primary_mode": "text",
"consensus_model": "claude-sonnet-5-5",
"consensus": "agreed",
"guards": "pin_guards 0.1: passed",
"guard_notes": [
"extractor flagged: Datasheet pin text lists DGND as pins '4,9,10', but the pin table assigns 9 and 10 to AIN2+ and AIN2; The datasheet gives no I/O direction for XOUT, VREFOUT or INT. The types shown are inferred from the",
"1/24 pin names appear NOWHERE in the datasheet text: ['1:XOUT@p4']"
],
"pages_sent": 7,
"cost_usd": 0.1025,
"at": "2026-10-23T06:18:41"
},
"datasheet": {
"url": "https://datasheet.lcsc.com/datasheet/pdf/9f3ef23b5d8941828319cc41261119d3.pdf",
"pages": 24,
"sha256": "619df7b98e405d96",
"source_tier": "lcsc"
},
"cad": "KiCad official (CC-BY-SA 4.0)",
"pins": {
"total": 24,
"described": 24,
"cites_pages": true,
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