component
CS3318-CQZR
Public Made by Adomby adom
Cirrus Logic Audio Interface ICs, LQFP-48(7x7). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
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"description": "Cirrus Logic Audio Interface ICs, LQFP-48(7x7). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
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"component": {
"mpn": "CS3318-CQZR",
"manufacturer": "Cirrus Logic",
"package": "LQFP-48(7x7)",
"pin_count": 48,
"category": "Communication Interface Chip/UART/485/232",
"subcategory": "Audio Interface ICs",
"datasheet": "https://datasheet.lcsc.com/datasheet/pdf/a3b1504faa9719462df7935d44c496ac.pdf",
"parts": {
"symbol": "cs3318-cqzr.kicad_sym",
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"lbr": "cs3318-cqzr.lbr"
},
"distributor_links": {
"lcsc": "C2662540"
},
"distributor_check": {
"checked_at": "2026-10-22T22:06:16Z",
"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": null,
"status": "quota"
},
"mouser": {
"pn": null,
"status": "quota"
}
},
"pins": [
{
"number": "1",
"name": "IN1",
"type": "input",
"description": "Analog input for channel 1, with full-scale level given in the Analog Characteristics table."
},
{
"number": "2",
"name": "REFI1",
"type": "input",
"description": "Analog reference input for channel 1."
},
{
"number": "3",
"name": "RESET",
"type": "input",
"description": "Reset input; the device enters a low-power mode when this pin is driven low."
},
{
"number": "4",
"name": "MUTE",
"type": "input",
"description": "Mute input that defaults to active low and can be configured as active high."
},
{
"number": "5",
"name": "SCL/CCLK",
"type": "input",
"description": "Serial clock for the serial control port (I²C SCL / SPI CCLK)."
},
{
"number": "6",
"name": "SDA/MOSI",
"type": "bidirectional",
"description": "SDA is the data I/O line of the control port in I²C mode; MOSI is the control port input data line in SPI mode."
},
{
"number": "7",
"name": "AD0/CS",
"type": "input",
"description": "AD0 sets the LSB of the default chip address in I²C mode; CS is the control port chip-select in SPI mode."
},
{
"number": "8",
"name": "ENOut",
"type": "output",
"description": "Enable output signal for multi-device serial control chain configuration."
},
{
"number": "9",
"name": "DGND",
"type": "power_in",
"description": "Digital ground reference for the internal digital section."
},
{
"number": "10",
"name": "VD",
"type": "power_in",
"description": "Positive power for the internal digital section, 3.1 V to 3.5 V (3.3 V nominal)."
},
{
"number": "11",
"name": "REFI8",
"type": "input",
"description": "Analog reference input for channel 8."
},
{
"number": "12",
"name": "IN8",
"type": "input",
"description": "Analog input for channel 8, with full-scale level given in the Analog Characteristics table."
},
{
"number": "13",
"name": "REFO8",
"type": "output",
"description": "Analog reference output for channel 8."
},
{
"number": "14",
"name": "OUT8",
"type": "output",
"description": "Analog output for channel 8, with full-scale output level given in the Analog Characteristics table."
},
{
"number": "15",
"name": "VA+",
"type": "power_in",
"description": "Positive analog power for the internal analog section, 7.6 V to 9.45 V (9.0 V nominal)."
},
{
"number": "16",
"name": "VA-",
"type": "power_in",
"description": "Negative analog power for the internal analog section, -9.45 V to -7.6 V (-9.0 V nominal)."
},
{
"number": "17",
"name": "OUT7",
"type": "output",
"description": "Analog output for channel 7, with full-scale output level given in the Analog Characteristics table."
},
{
"number": "18",
"name": "REFO7",
"type": "output",
"description": "Analog reference output for channel 7."
},
{
"number": "19",
"name": "IN7",
"type": "input",
"description": "Analog input for channel 7, with full-scale level given in the Analog Characteristics table."
},
{
"number": "20",
"name": "REFI7",
"type": "input",
"description": "Analog reference input for channel 7."
},
{
"number": "21",
"name": "REFI6",
"type": "input",
"description": "Analog reference input for channel 6."
},
{
"number": "22",
"name": "IN6",
"type": "input",
"description": "Analog input for channel 6, with full-scale level given in the Analog Characteristics table."
},
{
"number": "23",
"name": "REFO6",
"type": "output",
"description": "Analog reference output for channel 6."
},
{
"number": "24",
"name": "OUT6",
"type": "output",
"description": "Analog output for channel 6, with full-scale output level given in the Analog Characteristics table."
},
{
"number": "25",
"name": "VA+",
"type": "power_in",
"description": "Positive analog power for the internal analog section, 7.6 V to 9.45 V (9.0 V nominal)."
},
{
"number": "26",
"name": "VA-",
"type": "power_in",
"description": "Negative analog power for the internal analog section, -9.45 V to -7.6 V (-9.0 V nominal)."
},
{
"number": "27",
"name": "OUT5",
"type": "output",
"description": "Analog output for channel 5, with full-scale output level given in the Analog Characteristics table."
},
{
"number": "28",
"name": "REFO5",
"type": "output",
"description": "Analog reference output for channel 5."
},
{
"number": "29",
"name": "IN5",
"type": "input",
"description": "Analog input for channel 5, with full-scale level given in the Analog Characteristics table."
},
{
"number": "30",
"name": "REFI5",
"type": "input",
"description": "Analog reference input for channel 5."
},
{
"number": "31",
"name": "REFI4",
"type": "input",
"description": "Analog reference input for channel 4."
},
{
"number": "32",
"name": "IN4",
"type": "input",
"description": "Analog input for channel 4, with full-scale level given in the Analog Characteristics table."
},
{
"number": "33",
"name": "REFO4",
"type": "output",
"description": "Analog reference output for channel 4."
},
{
"number": "34",
"name": "OUT4",
"type": "output",
"description": "Analog output for channel 4, with full-scale output level given in the Analog Characteristics table."
},
{
"number": "35",
"name": "VA+",
"type": "power_in",
"description": "Positive analog power for the internal analog section, 7.6 V to 9.45 V (9.0 V nominal)."
},
{
"number": "36",
"name": "VA-",
"type": "power_in",
"description": "Negative analog power for the internal analog section, -9.45 V to -7.6 V (-9.0 V nominal)."
},
{
"number": "37",
"name": "OUT3",
"type": "output",
"description": "Analog output for channel 3, with full-scale output level given in the Analog Characteristics table."
},
{
"number": "38",
"name": "REFO3",
"type": "output",
"description": "Analog reference output for channel 3."
},
{
"number": "39",
"name": "IN3",
"type": "input",
"description": "Analog input for channel 3, with full-scale level given in the Analog Characteristics table."
},
{
"number": "40",
"name": "REFI3",
"type": "input",
"description": "Analog reference input for channel 3."
},
{
"number": "41",
"name": "REFI2",
"type": "input",
"description": "Analog reference input for channel 2."
},
{
"number": "42",
"name": "IN2",
"type": "input",
"description": "Analog input for channel 2, with full-scale level given in the Analog Characteristics table."
},
{
"number": "43",
"name": "REFO2",
"type": "output",
"description": "Analog reference output for channel 2."
},
{
"number": "44",
"name": "OUT2",
"type": "output",
"description": "Analog output for channel 2, with full-scale output level given in the Analog Characteristics table."
},
{
"number": "45",
"name": "VA+",
"type": "power_in",
"description": "Positive analog power for the internal analog section, 7.6 V to 9.45 V (9.0 V nominal)."
},
{
"number": "46",
"name": "VA-",
"type": "power_in",
"description": "Negative analog power for the internal analog section, -9.45 V to -7.6 V (-9.0 V nominal)."
},
{
"number": "47",
"name": "OUT1",
"type": "output",
"description": "Analog output for channel 1, with full-scale output level given in the Analog Characteristics table."
},
{
"number": "48",
"name": "REFO1",
"type": "output",
"description": "Analog reference output for channel 1."
}
],
"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: The datasheet text gives only one 48-pin LQFP package. The 7x7 body size isn't stated in the supplie; The pin-diagram text on page 5 is garbled. Pin numbers were taken from the page 6 pin description ta; Pin types were assigned by function. The datasheet labels DGND as '(Input)', and it is mapped to pow"
],
"pages_sent": 8,
"cost_usd": 0.1459,
"at": "2026-10-22T22:05:56"
},
"datasheet": {
"url": "https://datasheet.lcsc.com/datasheet/pdf/a3b1504faa9719462df7935d44c496ac.pdf",
"pages": 44,
"sha256": "7308f05875494a5c",
"source_tier": "lcsc"
},
"cad": "KiCad official (CC-BY-SA 4.0)",
"pins": {
"total": 48,
"described": 48,
"cites_pages": true,
"refuses_to_fabricate": true
}
},
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"models_3d": [
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"role": "plain",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
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"zmin_mm": -0.0,
"centre_offset_mm": 0.0,
"footprint_binding": "identity",
"sha256": "9dea352d93177c2904afd7d7b68ea8855ce1ab691f69f8b3e13655600514b6bf",
"checked": "2026-10-22",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
},
{
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}