component
PCM1793DBR
Public Made by Adomby adom
Texas Instruments ADCs/DACs - Special Purpose, SSOP-28. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
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"title": "PCM1793DBR",
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"mpn": "PCM1793DBR",
"manufacturer": "Texas Instruments",
"package": "SSOP-28",
"pin_count": 28,
"category": "Data Acquisition",
"subcategory": "ADCs/DACs - Special Purpose",
"datasheet": "https://www.ti.com/cn/lit/gpn/pcm1793",
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"digikey": "296-41376-2-ND",
"mouser": "595-PCM1793DBR"
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"number": "1",
"name": "LRCK",
"type": "input",
"description": "Left and right clock (fS) input for the audio interface, Schmitt-trigger and 5-V tolerant; it must be synchronized with the system clock, and sampling frequency is 10 kHz to 200 kHz."
},
{
"number": "2",
"name": "BCK",
"type": "input",
"description": "Serial audio bit clock input, Schmitt-trigger and 5-V tolerant; serial data on DATA is clocked in on its rising edge."
},
{
"number": "3",
"name": "DATA",
"type": "input",
"description": "Serial audio data input, Schmitt-trigger and 5-V tolerant; data is binary 2s complement, MSB first."
},
{
"number": "4",
"name": "MUTE",
"type": "input",
"description": "Analog output mute control, Schmitt-trigger and 5-V tolerant; when HIGH, both analog outputs move to the bipolar zero level in −0.5-dB steps at 1/fS per step."
},
{
"number": "5",
"name": "SCK",
"type": "input",
"description": "System clock input, Schmitt-trigger and 5-V tolerant; the device auto-detects 128, 192, 256, 384, 512 or 768 fS, with a minimum pulse cycle time of 13 ns."
},
{
"number": "6",
"name": "RST",
"type": "input",
"description": "External reset input, Schmitt-trigger and 5-V tolerant; a LOW pulse of at least 20 ns forces the device to its default state, followed by 1024 system clocks of initialization."
},
{
"number": "7",
"name": "VDD",
"type": "power_in",
"description": "Digital power supply, 3.3 V nominal with a voltage range of 3 V to 3.6 V."
},
{
"number": "8",
"name": "DGND",
"type": "power_in",
"description": "Digital ground for the digital section of the device."
},
{
"number": "9",
"name": "AGNDF",
"type": "power_in",
"description": "Analog ground for the DACFF section."
},
{
"number": "10",
"name": "VCCR",
"type": "power_in",
"description": "Analog power supply for the R-channel I/V stage, 5 V nominal with a voltage range of 4.5 V to 5.5 V."
},
{
"number": "11",
"name": "AGNDR",
"type": "power_in",
"description": "Analog ground for the R-channel I/V stage."
},
{
"number": "12",
"name": "VOUTR−",
"type": "output",
"description": "R-channel analog voltage output (negative leg); forms the differential output with VOUTR+, 3.2 V p-p at full scale (0 dB)."
},
{
"number": "13",
"name": "VOUTR+",
"type": "output",
"description": "R-channel analog voltage output (positive leg); forms the differential output with VOUTR−, 3.2 V p-p at full scale (0 dB)."
},
{
"number": "14",
"name": "VCOM",
"type": "passive",
"description": "Internal bias decoupling pin, to be decoupled externally."
},
{
"number": "15",
"name": "VCCC",
"type": "power_in",
"description": "Analog power supply for the internal bias and current DAC, 5 V nominal with a voltage range of 4.5 V to 5.5 V."
},
{
"number": "16",
"name": "AGNDC",
"type": "power_in",
"description": "Analog ground for the internal bias and current DAC."
},
{
"number": "17",
"name": "VOUTL+",
"type": "output",
"description": "L-channel analog voltage output (positive leg); forms the differential output with VOUTL−, 3.2 V p-p at full scale (0 dB)."
},
{
"number": "18",
"name": "VOUTL−",
"type": "output",
"description": "L-channel analog voltage output (negative leg); forms the differential output with VOUTL+, 3.2 V p-p at full scale (0 dB)."
},
{
"number": "19",
"name": "AGNDL",
"type": "power_in",
"description": "Analog ground for the L-channel I/V stage."
},
{
"number": "20",
"name": "VCCL",
"type": "power_in",
"description": "Analog power supply for the L-channel I/V stage, 5 V nominal with a voltage range of 4.5 V to 5.5 V."
},
{
"number": "21",
"name": "VCCF",
"type": "power_in",
"description": "Analog power supply for the DACFF section, 5 V nominal with a voltage range of 4.5 V to 5.5 V."
},
{
"number": "22",
"name": "ZEROR",
"type": "output",
"description": "Zero flag output for the R channel; goes HIGH when the R-channel input data is continuously zero for 1024 fS."
},
{
"number": "23",
"name": "ZEROL",
"type": "output",
"description": "Zero flag output for the L channel; goes HIGH when the L-channel input data is continuously zero for 1024 fS."
},
{
"number": "24",
"name": "DEMP0",
"type": "input",
"description": "De-emphasis control bit 0, Schmitt-trigger and 5-V tolerant; together with DEMP1 selects de-emphasis off, 48 kHz, 44.1 kHz or 32 kHz."
},
{
"number": "25",
"name": "DEMP1",
"type": "input",
"description": "De-emphasis control bit 1, Schmitt-trigger and 5-V tolerant; together with DEMP0 selects de-emphasis off, 48 kHz, 44.1 kHz or 32 kHz."
},
{
"number": "26",
"name": "FMT0",
"type": "input",
"description": "Audio data format select bit 0, Schmitt-trigger and 5-V tolerant; together with FMT1 and FMT2 selects the standard, left-justified or I2S format and bit length."
},
{
"number": "27",
"name": "FMT1",
"type": "input",
"description": "Audio data format select bit 1, Schmitt-trigger and 5-V tolerant; together with FMT0 and FMT2 selects the standard, left-justified or I2S format and bit length."
},
{
"number": "28",
"name": "FMT2",
"type": "input",
"description": "Audio data format select bit 2, Schmitt-trigger and 5-V tolerant; together with FMT0 and FMT1 selects the standard, left-justified or I2S format and bit length."
}
],
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"at": "2026-10-10T21:53:13"
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"Package": "SSOP-28",
"Category": "Data Acquisition",
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