component
CS4385-CQZR
Public Made by Adomby adom
Cirrus Logic Digital To Analog Converters (DACs), LQFP-48(7x7). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
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{
"schema_version": 1,
"type": "component",
"slug": "cs4385-cqzr",
"title": "CS4385-CQZR",
"brief": "Cirrus Logic Digital To Analog Converters (DACs), LQFP-48(7x7). 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",
"adc-dac-data conversion",
"cs4385-cqzr",
"factory-2.0.0",
"extractor-text"
],
"component": {
"mpn": "CS4385-CQZR",
"manufacturer": "Cirrus Logic",
"package": "LQFP-48(7x7)",
"pin_count": 48,
"category": "ADC/DAC/Data Conversion",
"subcategory": "Digital To Analog Converters (DACs)",
"datasheet": "https://datasheet.lcsc.com/datasheet/pdf/773f5ab20cb1c450003c23bbc4e5c585.pdf",
"parts": {
"symbol": "cs4385-cqzr.kicad_sym",
"footprint": "cs4385-cqzr.kicad_mod",
"model_3d": "cs4385-cqzr-hero.glb",
"model_3d_plain": "cs4385-cqzr-etched.glb",
"model_3d_step": "cs4385-cqzr-etched.step",
"model_3d_step_plain": "cs4385-cqzr.step",
"lbr": "cs4385-cqzr.lbr"
},
"distributor_links": {
"lcsc": "C2667066",
"digikey": "CS4385-CQZR-ND",
"mouser": "777-CS4385-CQZR"
},
"distributor_check": {
"checked_at": "2026-10-28T21:06:07Z",
"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": "CS4385-CQZR-ND",
"status": "found",
"lifecycle": "Obsolete"
},
"mouser": {
"pn": "777-CS4385-CQZR",
"status": "found",
"lifecycle": "Obsolete"
}
},
"pins": [
{
"number": "1",
"name": "DSDA2",
"type": "input",
"description": "Direct Stream Digital input for DSD serial audio data, channel A2."
},
{
"number": "2",
"name": "DSDB1",
"type": "input",
"description": "Direct Stream Digital input for DSD serial audio data, channel B1."
},
{
"number": "3",
"name": "DSDA1",
"type": "input",
"description": "Direct Stream Digital input for DSD serial audio data, channel A1."
},
{
"number": "4",
"name": "VD",
"type": "power_in",
"description": "Positive digital power supply, 2.37 V to 2.63 V (2.5 V typ) per Recommended Operating Conditions."
},
{
"number": "5",
"name": "GND",
"type": "power_in",
"description": "Ground reference, should be connected to analog ground."
},
{
"number": "6",
"name": "MCLK",
"type": "input",
"description": "Master clock input for the delta-sigma modulator and digital filters."
},
{
"number": "7",
"name": "LRCK",
"type": "input",
"description": "Left/right clock input that determines the active channel on the serial audio data line, at the audio sample rate Fs."
},
{
"number": "8",
"name": "SDIN1",
"type": "input",
"description": "Serial audio data input for two's complement serial audio data."
},
{
"number": "9",
"name": "SCLK",
"type": "input",
"description": "Serial clock input for the serial audio interface."
},
{
"number": "10",
"name": "M4(TST)",
"type": "input",
"description": "Hardware Mode mode-selection input M4; in Software Mode it is a test pin that must be connected to ground and not left floating."
},
{
"number": "11",
"name": "SDIN2",
"type": "input",
"description": "Serial audio data input for two's complement serial audio data."
},
{
"number": "12",
"name": "M3(TST)",
"type": "input",
"description": "Hardware Mode mode-selection input M3; in Software Mode it is a test pin that must be connected to ground and not left floating."
},
{
"number": "13",
"name": "SDIN3",
"type": "input",
"description": "Serial audio data input for two's complement serial audio data."
},
{
"number": "14",
"name": "SDIN4",
"type": "input",
"description": "Serial audio data input for two's complement serial audio data."
},
{
"number": "15",
"name": "M2(SCL/CCLK)",
"type": "input",
"description": "Hardware Mode select M2; in Software Mode the serial control port clock, needing an external pull-up to the logic voltage in I2C mode."
},
{
"number": "16",
"name": "M1(SDA/CDIN)",
"type": "bidirectional",
"description": "Hardware Mode select M1; in Software Mode SDA is the I2C data I/O line needing an external pull-up, and CDIN is the SPI control data input."
},
{
"number": "17",
"name": "M0(AD0/CS)",
"type": "input",
"description": "Hardware Mode select M0; in Software Mode AD0 is the I2C chip address bit 0 and CS is the SPI chip select."
},
{
"number": "18",
"name": "VLC",
"type": "power_in",
"description": "Control port power supply setting the control port signal level, 1.71 V to 5.25 V per Recommended Operating Conditions."
},
{
"number": "19",
"name": "RST",
"type": "input",
"description": "Reset input; the device enters a low power mode and all internal registers reset to defaults when low."
},
{
"number": "20",
"name": "FILT+",
"type": "output",
"description": "Positive voltage reference for the internal sampling circuits, requiring capacitive decoupling to analog ground."
},
{
"number": "21",
"name": "VQ",
"type": "output",
"description": "Internal quiescent voltage filter connection, must be capacitively coupled to analog ground, and any current drawn alters device performance."
},
{
"number": "22",
"name": "MUTEC234",
"type": "output",
"description": "Mute control output that goes high during power-up initialization, reset, muting, power-down or incorrect MCLK to LRCK ratio, for external mute circuits."
},
{
"number": "23",
"name": "AOUTB4-",
"type": "output",
"description": "Differential analog output, negative side of channel B4."
},
{
"number": "24",
"name": "AOUTB4+",
"type": "output",
"description": "Differential analog output, positive side of channel B4."
},
{
"number": "25",
"name": "AOUTA4+",
"type": "output",
"description": "Differential analog output, positive side of channel A4."
},
{
"number": "26",
"name": "AOUTA4-",
"type": "output",
"description": "Differential analog output, negative side of channel A4."
},
{
"number": "27",
"name": "AOUTB3-",
"type": "output",
"description": "Differential analog output, negative side of channel B3."
},
{
"number": "28",
"name": "AOUTB3+",
"type": "output",
"description": "Differential analog output, positive side of channel B3."
},
{
"number": "29",
"name": "AOUTA3+",
"type": "output",
"description": "Differential analog output, positive side of channel A3."
},
{
"number": "30",
"name": "AOUTA3-",
"type": "output",
"description": "Differential analog output, negative side of channel A3."
},
{
"number": "31",
"name": "GND",
"type": "power_in",
"description": "Ground reference, should be connected to analog ground."
},
{
"number": "32",
"name": "VA",
"type": "power_in",
"description": "Positive analog power supply, 4.75 V to 5.25 V (5.0 V typ) per Recommended Operating Conditions."
},
{
"number": "33",
"name": "AOUTB2-",
"type": "output",
"description": "Differential analog output, negative side of channel B2."
},
{
"number": "34",
"name": "AOUTB2+",
"type": "output",
"description": "Differential analog output, positive side of channel B2."
},
{
"number": "35",
"name": "AOUTA2+",
"type": "output",
"description": "Differential analog output, positive side of channel A2."
},
{
"number": "36",
"name": "AOUTA2-",
"type": "output",
"description": "Differential analog output, negative side of channel A2."
},
{
"number": "37",
"name": "AOUTB1-",
"type": "output",
"description": "Differential analog output, negative side of channel B1."
},
{
"number": "38",
"name": "AOUTB1+",
"type": "output",
"description": "Differential analog output, positive side of channel B1."
},
{
"number": "39",
"name": "AOUTA1+",
"type": "output",
"description": "Differential analog output, positive side of channel A1."
},
{
"number": "40",
"name": "AOUTA1-",
"type": "output",
"description": "Differential analog output, negative side of channel A1."
},
{
"number": "41",
"name": "MUTEC1",
"type": "output",
"description": "Mute control output that goes high during power-up initialization, reset, muting, power-down or incorrect MCLK to LRCK ratio, for external mute circuits."
},
{
"number": "42",
"name": "DSD_SCLK",
"type": "input",
"description": "Serial clock input for the Direct Stream Digital audio interface."
},
{
"number": "43",
"name": "VLS",
"type": "power_in",
"description": "Serial audio interface power supply setting the serial port signal level, 1.71 V to 5.25 V per Recommended Operating Conditions."
},
{
"number": "44",
"name": "DSDB4",
"type": "input",
"description": "Direct Stream Digital input for DSD serial audio data, channel B4."
},
{
"number": "45",
"name": "DSDA4",
"type": "input",
"description": "Direct Stream Digital input for DSD serial audio data, channel A4."
},
{
"number": "46",
"name": "DSDB3",
"type": "input",
"description": "Direct Stream Digital input for DSD serial audio data, channel B3."
},
{
"number": "47",
"name": "DSDA3",
"type": "input",
"description": "Direct Stream Digital input for DSD serial audio data, channel A3."
},
{
"number": "48",
"name": "DSDB2",
"type": "input",
"description": "Direct Stream Digital input for DSD serial audio data, channel B2."
}
],
"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 and ordering check: CS4385-CQZR is the Tape & Reel commercial-grade (-40°C to +85°C) 48-pin ; The pin-number-to-name map for the pin diagram on page 6 is garbled in the extracted text. Pin numbe; Differential analog output pin pairs are only given as pair ranges in the text (AOUTA1 39,40; AOUTB1"
],
"pages_sent": 11,
"cost_usd": 0.0919,
"at": "2026-10-28T21:05:41"
},
"datasheet": {
"url": "https://datasheet.lcsc.com/datasheet/pdf/773f5ab20cb1c450003c23bbc4e5c585.pdf",
"pages": 55,
"sha256": "4ddd535a987d5608",
"source_tier": "lcsc"
},
"cad": "KiCad official (CC-BY-SA 4.0)",
"pins": {
"total": 48,
"described": 48,
"cites_pages": true,
"refuses_to_fabricate": true
}
},
"viewers": {
"symbol": "viewers/symbol.html",
"footprint": "viewers/footprint.html"
},
"models_3d": [
{
"file": "cs4385-cqzr.step",
"role": "plain",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
9,
9,
1.5
],
"zmin_mm": 0,
"centre_offset_mm": 0,
"footprint_binding": "identity",
"sha256": "9dea352d93177c2904afd7d7b68ea8855ce1ab691f69f8b3e13655600514b6bf",
"checked": "2026-10-28",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
},
{
"file": "cs4385-cqzr-etched.step",
"role": "eda",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
9,
9,
1.5
],
"zmin_mm": 0,
"centre_offset_mm": 0,
"footprint_binding": "identity",
"sha256": "77358cbef25a5a5d8a912de34771ba82cf177db3c31602fb14fec5b86406e37f",
"checked": "2026-10-28",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
}
],
"package_dims": {
"package_code": "48L LQFP",
"source_page": 53,
"D": {
"nom_mm": 9,
"range_mm": [
8.7,
9.3
]
},
"E1": {
"nom_mm": 7,
"range_mm": [
6.9,
7.1
]
},
"E": {
"nom_mm": 9,
"range_mm": [
8.7,
9.3
]
},
"e": {
"nom_mm": 0.5,
"range_mm": [
0.4,
0.6
]
},
"A": {
"nom_mm": 1.4,
"range_mm": [
null,
1.6
]
},
"source": "datasheet package drawing, every number found on its page (extract_pins --task dims)",
"model_check": {
"file": "cs4385-cqzr.step",
"verdict": "PASS",
"reasons": [
"height and body within the datasheet's package drawing"
],
"by": "factory/package_fit.py"
}
}
},
"metadata": {
"specs": {
"Manufacturer": "Cirrus Logic",
"Package": "LQFP-48(7x7)",
"Category": "ADC/DAC/Data Conversion",
"Pins": "48"
},
"characteristics": {
"version": 1,
"source": "datasheet",
"datasheet_sha256": "4ddd535a987d560846ec716146c2f23fa2d463f13c2e3b9d184cd71d6b5d7ba5",
"rows": [
{
"name": "Analog power supply (VA)",
"symbol": "VA",
"kind": "recommended_operating",
"unit": "V",
"min": 4.75,
"typ": 5,
"max": 5.25,
"conditions": "GND = 0 V",
"source_page": 8,
"source": "datasheet"
},
{
"name": "Digital internal power (VD)",
"symbol": "VD",
"kind": "recommended_operating",
"unit": "V",
"min": 2.37,
"typ": 2.5,
"max": 2.63,
"conditions": "GND = 0 V",
"source_page": 8,
"source": "datasheet"
},
{
"name": "Serial data port interface power (VLS)",
"symbol": "VLS",
"kind": "recommended_operating",
"unit": "V",
"min": 1.71,
"typ": 5,
"max": 5.25,
"conditions": "GND = 0 V",
"source_page": 8,
"source": "datasheet"
},
{
"name": "Control port interface power (VLC)",
"symbol": "VLC",
"kind": "recommended_operating",
"unit": "V",
"min": 1.71,
"typ": 5,
"max": 5.25,
"conditions": "GND = 0 V",
"source_page": 8,
"source": "datasheet"
},
{
"name": "Ambient Operating Temperature (Power Applied)",
"symbol": "TA",
"kind": "recommended_operating",
"unit": "°C",
"min": -40,
"typ": null,
"max": 85,
"conditions": "Commercial Grade (-CQZ)",
"source_page": 8,
"source": "datasheet"
},
{
"name": "Analog power (absolute)",
"symbol": "VA",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.3,
"typ": null,
"max": 6,
"conditions": "GND = 0 V",
"source_page": 8,
"source": "datasheet"
},
{
"name": "Digital internal power (absolute)",
"symbol": "VD",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.3,
"typ": null,
"max": 3.2,
"conditions": "GND = 0 V",
"source_page": 8,
"source": "datasheet"
},
{
"name": "Serial data port interface power (absolute)",
"symbol": "VLS",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.3,
"typ": null,
"max": 6,
"conditions": "GND = 0 V",
"source_page": 8,
"source": "datasheet"
},
{
"name": "Control port interface power (absolute)",
"symbol": "VLC",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.3,
"typ": null,
"max": 6,
"conditions": "GND = 0 V",
"source_page": 8,
"source": "datasheet"
},
{
"name": "Input Current Any Pin Except Supplies",
"symbol": "Iin",
"kind": "absolute_maximum",
"unit": "mA",
"min": -10,
"typ": null,
"max": 10,
"conditions": "Printed as ±10 mA",
"source_page": 8,
"source": "datasheet"
},
{
"name": "Digital Input Voltage, Serial data port interface",
"symbol": "VIND-S",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.3,
"typ": null,
"max": null,
"conditions": "Upper limit printed as VLS+0.4 (not converted)",
"source_page": 8,
"source": "datasheet"
},
{
"name": "Digital Input Voltage, Control port interface",
"symbol": "VIND-C",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.3,
"typ": null,
"max": null,
"conditions": "Upper limit printed as VLC+0.4 (not converted)",
"source_page": 8,
"source": "datasheet"
},
{
"name": "Ambient Operating Temperature (Power Applied)",
"symbol": "Top",
"kind": "absolute_maximum",
"unit": "°C",
"min": -55,
"typ": null,
"max": 125,
"conditions": "",
"source_page": 8,
"source": "datasheet"
},
{
"name": "Storage Temperature",
"symbol": "Tstg",
"kind": "absolute_maximum",
"unit": "°C",
"min": -65,
"typ": null,
"max": 150,
"conditions": "",
"source_page": 8,
"source": "datasheet"
},
{
"name": "Dynamic Range 24-bit A-weighted",
"symbol": "",
"kind": "electrical",
"unit": "dB",
"min": 108,
"typ": 114,
"max": null,
"conditions": "Fs = 48 kHz, 96 kHz, 192 kHz and DSD; A-weighted",
"source_page": 9,
"source": "datasheet"
},
{
"name": "Dynamic Range 24-bit unweighted",
"symbol": "",
"kind": "electrical",
"unit": "dB",
"min": 105,
"typ": 111,
"max": null,
"conditions": "Fs = 48 kHz, 96 kHz, 192 kHz and DSD; unweighted",
"source_page": 9,
"source": "datasheet"
},
{
"name": "Total Harmonic Distortion + Noise 24-bit",
"symbol": "THD+N",
"kind": "electrical",
"unit": "dB",
"min": null,
"typ": null,
"max": -100,
"conditions": "24-bit, 0 dB",
"source_page": 9,
"source": "datasheet"
},
{
"name": "Total Harmonic Distortion + Noise 24-bit",
"symbol": "THD+N",
"kind": "electrical",
"unit": "dB",
"min": null,
"typ": null,
"max": -91,
"conditions": "24-bit, -20 dB",
"source_page": 9,
"source": "datasheet"
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