component
CS4207-CNZR
Public Made by Adomby adom
Cirrus Logic Audio Interface ICs, QFN-48(6x6). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
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"description": "Cirrus Logic Audio Interface ICs, QFN-48(6x6). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
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"component": {
"mpn": "CS4207-CNZR",
"manufacturer": "Cirrus Logic",
"package": "QFN-48(6x6)",
"pin_count": 49,
"category": "Communication Interface Chip/UART/485/232",
"subcategory": "Audio Interface ICs",
"datasheet": "https://datasheet.lcsc.com/datasheet/pdf/a49c7b8720b223f3656a2f8f4a783857.pdf",
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"distributor_links": {
"lcsc": "C2151107",
"digikey": "CS4207-CNZR-ND",
"mouser": "777-CS4207-CNZR"
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"pins": [
{
"number": "1",
"name": "VL_IF",
"type": "power_in",
"description": "Digital supply for the GPIO, S/PDIF and Digital Mic interfaces; VL_IF is specified at 2.97 V to 3.47 V in the Recommended Operating Conditions."
},
{
"number": "2",
"name": "GPIO0/DMIC_SDA1",
"type": "bidirectional",
"description": "General purpose I/O line, or the first digital microphone data input; logic levels are 3.3 V."
},
{
"number": "3",
"name": "VL_HD",
"type": "power_in",
"description": "Digital supply for the HD Audio interface, specified at 1.42 V to 3.47 V in the Recommended Operating Conditions."
},
{
"number": "4",
"name": "DMIC_SCL",
"type": "output",
"description": "High speed clock output to the digital microphone; its frequency follows BITCLK divided by 8 or 12 depending on ADC sample rate."
},
{
"number": "5",
"name": "SDO",
"type": "input",
"description": "Serial data input stream from the HD Audio Bus, with input levels set by VL_HD (1.5 V to 3.3 V)."
},
{
"number": "6",
"name": "BITCLK",
"type": "input",
"description": "24 MHz bit clock from the HD Audio Bus, with input levels set by VL_HD (1.5 V to 3.3 V)."
},
{
"number": "7",
"name": "DGND",
"type": "power_in",
"description": "Ground reference for the internal digital section; AGND = DGND = 0 V."
},
{
"number": "8",
"name": "SDI",
"type": "bidirectional",
"description": "Serial data output stream to the HD Audio Bus; SDI output functionality also requires the VA and VL_IF rails at nominal levels."
},
{
"number": "9",
"name": "VD",
"type": "power_in",
"description": "Positive power for the internal digital section, specified at 1.42 V to 1.89 V in the Recommended Operating Conditions."
},
{
"number": "10",
"name": "SYNC",
"type": "input",
"description": "48 kHz sync clock from the HD Audio Bus, with input levels set by VL_HD (1.5 V to 3.3 V)."
},
{
"number": "11",
"name": "RESET#",
"type": "input",
"description": "Reset input; the device enters a low power mode when this pin is driven low."
},
{
"number": "12",
"name": "GPIO1/DMIC_SDA2/SPDIF_OUT2",
"type": "bidirectional",
"description": "General purpose I/O line, second digital microphone data input, or S/PDIF output from the internal S/PDIF transmitter; logic levels are 3.3 V."
},
{
"number": "13",
"name": "SENSE_A",
"type": "bidirectional",
"description": "Jack sense detect pin; input levels are specified for 3.3 V to 5.0 V on the VA rail."
},
{
"number": "14",
"name": "GPIO2",
"type": "bidirectional",
"description": "General purpose input or output line; logic levels are 3.3 V."
},
{
"number": "15",
"name": "GPIO3",
"type": "bidirectional",
"description": "General purpose input or output line; logic levels are 3.3 V."
},
{
"number": "16",
"name": "MICBIAS",
"type": "output",
"description": "Provides a low noise bias supply for an external microphone; electrical characteristics are in the DC Electrical Characteristics table."
},
{
"number": "17",
"name": "MICIN_L-",
"type": "input",
"description": "Microphone input left negative; the full-scale level is specified in the ADC Analog Characteristics table."
},
{
"number": "18",
"name": "MICIN_L+",
"type": "input",
"description": "Microphone input left positive; the full-scale level is specified in the ADC Analog Characteristics table."
},
{
"number": "19",
"name": "MICIN_R+",
"type": "input",
"description": "Microphone input right positive; the full-scale level is specified in the ADC Analog Characteristics table."
},
{
"number": "20",
"name": "MICIN_R-",
"type": "input",
"description": "Microphone input right negative; the full-scale level is specified in the ADC Analog Characteristics table."
},
{
"number": "21",
"name": "LINEIN_L+",
"type": "input",
"description": "Analog line input left positive; the full-scale level is specified in the ADC Analog Characteristics table."
},
{
"number": "22",
"name": "LINEIN_C-",
"type": "input",
"description": "Analog line input common negative; the full-scale level is specified in the ADC Analog Characteristics table."
},
{
"number": "23",
"name": "LINEIN_R+",
"type": "input",
"description": "Analog line input right positive; the full-scale level is specified in the ADC Analog Characteristics table."
},
{
"number": "24",
"name": "VA_REF",
"type": "power_in",
"description": "DAC reference supply, specified at 2.97 V to 5.25 V; it is also the return pin for the VBIAS cap."
},
{
"number": "25",
"name": "VA",
"type": "power_in",
"description": "Positive power for the internal analog section, specified at 2.97 V to 5.25 V in the Recommended Operating Conditions."
},
{
"number": "26",
"name": "AGND",
"type": "power_in",
"description": "Ground reference for the internal analog section; AGND = 0 V."
},
{
"number": "27",
"name": "VREF+",
"type": "power_in",
"description": "Positive reference voltage output for the internal ADCs."
},
{
"number": "28",
"name": "VCOM",
"type": "output",
"description": "Filter connection for the internal quiescent voltage, nominally 0.5•VA with 10 kΩ output impedance."
},
{
"number": "29",
"name": "VBIAS",
"type": "output",
"description": "Positive reference voltage output for the internal DACs; recommended capacitor values are on VBIAS."
},
{
"number": "30",
"name": "LINEOUT_L2-",
"type": "output",
"description": "Analog audio output, line out 2 left negative; the full-scale output level is specified in the DAC Analog Characteristics table."
},
{
"number": "31",
"name": "LINEOUT_L2+",
"type": "output",
"description": "Analog audio output, line out 2 left positive; the full-scale output level is specified in the DAC Analog Characteristics table."
},
{
"number": "32",
"name": "LINEOUT_R2+",
"type": "output",
"description": "Analog audio output, line out 2 right positive; the full-scale output level is specified in the DAC Analog Characteristics table."
},
{
"number": "33",
"name": "LINEOUT_R2-",
"type": "output",
"description": "Analog audio output, line out 2 right negative; the full-scale output level is specified in the DAC Analog Characteristics table."
},
{
"number": "34",
"name": "LINEOUT_L1-",
"type": "output",
"description": "Analog audio output, line out 1 left negative; the full-scale output level is specified in the DAC Analog Characteristics table."
},
{
"number": "35",
"name": "LINEOUT_L1+",
"type": "output",
"description": "Analog audio output, line out 1 left positive; the full-scale output level is specified in the DAC Analog Characteristics table."
},
{
"number": "36",
"name": "LINEOUT_R1+",
"type": "output",
"description": "Analog audio output, line out 1 right positive; the full-scale output level is specified in the DAC Analog Characteristics table."
},
{
"number": "37",
"name": "LINEOUT_R1-",
"type": "output",
"description": "Analog audio output, line out 1 right negative; the full-scale output level is specified in the DAC Analog Characteristics table."
},
{
"number": "38",
"name": "HPOUT_L",
"type": "output",
"description": "Analog headphone output left; the full-scale output level is specified in the DAC Analog Characteristics table."
},
{
"number": "39",
"name": "HPREF",
"type": "input",
"description": "Pseudo differential headphone reference input, providing the ground reference for the headphone amplifiers."
},
{
"number": "40",
"name": "HPOUT_R",
"type": "output",
"description": "Analog headphone output right; the full-scale output level is specified in the DAC Analog Characteristics table."
},
{
"number": "41",
"name": "VHP_FILT-",
"type": "output",
"description": "Inverting charge pump filter connection providing the negative rail for the headphone amplifier; nominal voltage is -0.5•VA_HP."
},
{
"number": "42",
"name": "FLYN",
"type": "output",
"description": "Negative node of the inverting charge pump flying capacitor."
},
{
"number": "43",
"name": "FLYC",
"type": "output",
"description": "Common node of the step-down and inverting charge pump flying capacitors."
},
{
"number": "44",
"name": "VHP_FILT+",
"type": "output",
"description": "Non-inverting charge pump filter connection providing the positive rail for the headphone amplifier; nominal voltage is 0.5•VA_HP."
},
{
"number": "45",
"name": "FLYP",
"type": "output",
"description": "Positive node of the step-down charge pump flying capacitor."
},
{
"number": "46",
"name": "VA_HP",
"type": "power_in",
"description": "Positive power for the internal analog headphone section, specified at 2.97 V to 5.25 V in the Recommended Operating Conditions."
},
{
"number": "47",
"name": "SPDIF_IN",
"type": "input",
"description": "Input to the internal S/PDIF receiver; logic levels are 3.3 V."
},
{
"number": "48",
"name": "SPDIF_OUT1",
"type": "output",
"description": "Output from the internal S/PDIF transmitter; logic levels are 3.3 V."
},
{
"number": "49",
"name": "EP",
"type": "passive",
"description": "Exposed pad (from the footprint; not named in the datasheet pin table)."
}
],
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"primary_model": "claude-haiku-5-5",
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"consensus": "skipped (clean text read)",
"guards": "pin_guards 0.1: passed",
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"pages_sent": 34,
"cost_usd": 0.003,
"at": "2026-10-26T23:43:16"
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"pages": 148,
"sha256": "229b7fd96a5169df",
"source_tier": "lcsc"
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"cad": "KiCad official (CC-BY-SA 4.0)",
"pins": {
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