component
TLC0838CDWR
Public Made by Adomby adom
Texas Instruments Analog To Digital Converters (ADC), SOIC-20-300mil. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
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"type": "component",
"slug": "tlc0838cdwr",
"title": "TLC0838CDWR",
"brief": "Texas Instruments Analog To Digital Converters (ADC), SOIC-20-300mil. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
"version": "0.1.0",
"license": "CC-BY-SA-4.0",
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"component": {
"mpn": "TLC0838CDWR",
"manufacturer": "Texas Instruments",
"package": "SOIC-20-300mil",
"pin_count": 20,
"category": "Data Acquisition",
"subcategory": "Analog To Digital Converters (ADC)",
"datasheet": "https://www.ti.com/cn/lit/gpn/tlc0838",
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"lbr": "tlc0838cdwr.lbr"
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"distributor_links": {
"lcsc": "C527431",
"digikey": "296-TLC0838CDWRTR-ND",
"mouser": "595-TLC0838CDWR"
},
"distributor_check": {
"checked_at": "2026-10-11T01:33:23Z",
"source": "Component Ocean /api/assign-pns",
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"pn": "296-TLC0838CDWRTR-ND",
"status": "found",
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"pins": [
{
"number": "1",
"name": "CH0",
"type": "input",
"description": "Analog multiplexer input channel 0, selectable as single-ended, differential or pseudodifferential input through the serial address word; analog inputs must stay within the absolute maximum range of -0.3 V to VCC + 0.3 V."
},
{
"number": "2",
"name": "CH1",
"type": "input",
"description": "Analog multiplexer input channel 1, selectable as single-ended, differential or pseudodifferential input through the serial address word; analog inputs must stay within the absolute maximum range of -0.3 V to VCC + 0.3 V."
},
{
"number": "3",
"name": "CH2",
"type": "input",
"description": "Analog multiplexer input channel 2, selectable as single-ended, differential or pseudodifferential input through the serial address word; analog inputs must stay within the absolute maximum range of -0.3 V to VCC + 0.3 V."
},
{
"number": "4",
"name": "CH3",
"type": "input",
"description": "Analog multiplexer input channel 3, selectable as single-ended, differential or pseudodifferential input through the serial address word; analog inputs must stay within the absolute maximum range of -0.3 V to VCC + 0.3 V."
},
{
"number": "5",
"name": "CH4",
"type": "input",
"description": "Analog multiplexer input channel 4, selectable as single-ended, differential or pseudodifferential input through the serial address word; analog inputs must stay within the absolute maximum range of -0.3 V to VCC + 0.3 V."
},
{
"number": "6",
"name": "CH5",
"type": "input",
"description": "Analog multiplexer input channel 5, selectable as single-ended, differential or pseudodifferential input through the serial address word; analog inputs must stay within the absolute maximum range of -0.3 V to VCC + 0.3 V."
},
{
"number": "7",
"name": "CH6",
"type": "input",
"description": "Analog multiplexer input channel 6, selectable as single-ended, differential or pseudodifferential input through the serial address word; analog inputs must stay within the absolute maximum range of -0.3 V to VCC + 0.3 V."
},
{
"number": "8",
"name": "CH7",
"type": "input",
"description": "Analog multiplexer input channel 7, selectable as single-ended, differential or pseudodifferential input through the serial address word; analog inputs must stay within the absolute maximum range of -0.3 V to VCC + 0.3 V."
},
{
"number": "9",
"name": "COM",
"type": "input",
"description": "Common analog input used as the negative reference for pseudodifferential operation; its voltage may be any reference common to all channels and must stay within -0.05 V to VCC + 0.05 V."
},
{
"number": "10",
"name": "DGTL GND",
"type": "power_in",
"description": "Digital ground for the logic and shift-register circuitry; absolute maximum voltages are referenced to the network ground terminal."
},
{
"number": "11",
"name": "ANLG GND",
"type": "power_in",
"description": "Analog ground for the converter section (ladder and comparator), separate from the digital ground on pin 10."
},
{
"number": "12",
"name": "REF",
"type": "input",
"description": "Voltage reference input with input resistance of 1.3 kΩ min, 2.4 kΩ typ and 5.9 kΩ max, allowing the reference to be reduced to encode a smaller analog span over the full 8 bits."
},
{
"number": "13",
"name": "SE",
"type": "input",
"description": "Output-format control: when held high the LSB stays on DO after the MSB-first stream, and when forced low the data is clocked out LSB-first; SE low must be set up before CLK rising by at least 350 ns."
},
{
"number": "14",
"name": "DO",
"type": "tri_state",
"description": "Serial data output that delivers the conversion result MSB first and goes to high impedance when CS is high; DI and DO may be tied together on one bidirectional line."
},
{
"number": "15",
"name": "SARS",
"type": "tri_state",
"description": "SAR status output that goes high while a conversion is in progress and returns low after eight clock periods when the conversion is complete; it is high impedance when CS is high."
},
{
"number": "16",
"name": "CLK",
"type": "input",
"description": "Serial clock input, specified from 10 kHz to 600 kHz with a 40% to 60% duty cycle, with data set-up of 350 ns and hold of 90 ns relative to CLK rising."
},
{
"number": "17",
"name": "DI",
"type": "input",
"description": "Serial data input that shifts the start bit and multiplexer address word into the shift register on each CLK low-to-high transition; it is ignored during conversion."
},
{
"number": "18",
"name": "CS",
"type": "input",
"description": "Chip select: a low level starts a conversion and must be held low for the whole conversion, while a high level clears all internal registers and places DO and SARS in high impedance; minimum high pulse duration is 220 ns."
},
{
"number": "19",
"name": "NC",
"type": "unconnected",
"description": "No internal connection on this package."
},
{
"number": "20",
"name": "VCC",
"type": "power_in",
"description": "Positive supply, recommended range 4.5 V to 5.5 V with 5 V nominal, and absolute maximum of 6.5 V."
}
],
"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: The TLC0838 pinout drawing on page 1 is a shared top-view drawing for the PW, DW and N packages, and; The datasheet does not give a separate function description for ANLG GND or DGTL GND beyond the abso; Pin 19 is listed as NC on the package drawing; the datasheet states NC means no internal connection.",
"2/20 pins cited to the wrong page (name found elsewhere): ['10:DGTL GND@p6', '12:REF@p8']"
],
"pages_sent": 19,
"cost_usd": 0.0977,
"at": "2026-10-11T01:33:06"
},
"datasheet": {
"url": "https://www.ti.com/cn/lit/gpn/tlc0838",
"pages": 19,
"sha256": "7da8a03a60087fd9",
"source_tier": "lcsc"
},
"cad": "KiCad official (CC-BY-SA 4.0)",
"pins": {
"total": 20,
"described": 20,
"cites_pages": true,
"refuses_to_fabricate": true
}
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"metadata": {
"specs": {
"Manufacturer": "Texas Instruments",
"Package": "SOIC-20-300mil",
"Category": "Data Acquisition",
"Pins": "20"
}
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"email": "[email protected]"
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