component
TLV2548CPWR
Public Made by Adomby adom
Texas Instruments Analog To Digital Converters (ADC), TSSOP-20. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
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"component": {
"mpn": "TLV2548CPWR",
"manufacturer": "Texas Instruments",
"package": "TSSOP-20",
"pin_count": 20,
"category": "Data Acquisition",
"subcategory": "Analog To Digital Converters (ADC)",
"datasheet": "https://www.ti.com/lit/ds/symlink/tlv2548.pdf",
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"distributor_links": {
"lcsc": "C2670506",
"digikey": "TLV2548CPWR-ND",
"mouser": "595-TLV2548CPWR"
},
"distributor_check": {
"checked_at": "2026-11-05T23:44:36Z",
"source": "Component Ocean /api/assign-pns",
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"pn": "TLV2548CPWR-ND",
"status": "found"
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"pins": [
{
"number": "1",
"name": "SDO",
"type": "output",
"description": "The 3-state serial output presents the A/D conversion result MSB first and is held in high impedance when CS is high."
},
{
"number": "2",
"name": "SDI",
"type": "input",
"description": "The serial data input takes 16-bit words MSB (D15) first, with D(15-12) decoded as the command and a 12-bit configuration field following write commands."
},
{
"number": "3",
"name": "SCLK",
"type": "input",
"description": "The input serial clock from the host processor clocks SDI into the input register and may also serve as the source of the conversion clock."
},
{
"number": "4",
"name": "EOC/(INT)",
"type": "output",
"description": "This pin is the end-of-conversion output (low from end of sampling until data are ready) or, when programmed, the interrupt output whose falling edge signals data ready."
},
{
"number": "5",
"name": "VCC",
"type": "power_in",
"description": "The positive supply voltage operates from a single 2.7 V to 5.5 V supply."
},
{
"number": "6",
"name": "A0",
"type": "input",
"description": "This analog signal input is internally multiplexed and the driving source impedance should be less than or equal to 1 kΩ."
},
{
"number": "7",
"name": "A1",
"type": "input",
"description": "This analog signal input is internally multiplexed and the driving source impedance should be less than or equal to 1 kΩ."
},
{
"number": "8",
"name": "A2",
"type": "input",
"description": "This analog signal input is internally multiplexed and the driving source impedance should be less than or equal to 1 kΩ."
},
{
"number": "9",
"name": "A3",
"type": "input",
"description": "This analog signal input is internally multiplexed and the driving source impedance should be less than or equal to 1 kΩ."
},
{
"number": "10",
"name": "A4",
"type": "input",
"description": "This analog signal input is internally multiplexed and the driving source impedance should be less than or equal to 1 kΩ."
},
{
"number": "11",
"name": "A5",
"type": "input",
"description": "This analog signal input is internally multiplexed and the driving source impedance should be less than or equal to 1 kΩ."
},
{
"number": "12",
"name": "A6",
"type": "input",
"description": "This analog signal input is internally multiplexed and the driving source impedance should be less than or equal to 1 kΩ."
},
{
"number": "13",
"name": "A7",
"type": "input",
"description": "This analog signal input is internally multiplexed and the driving source impedance should be less than or equal to 1 kΩ."
},
{
"number": "14",
"name": "CSTART",
"type": "input",
"description": "This asynchronous input controls the start and length of sampling on the selected channel, with the sampling period set by its low time, and must be tied to VCC if not used."
},
{
"number": "15",
"name": "GND",
"type": "power_in",
"description": "This is the ground return for the internal circuitry, and all voltage measurements are referenced to GND."
},
{
"number": "16",
"name": "PWDN",
"type": "input",
"description": "When held at logic zero both the analog and reference circuits are powered down, and the device restarts by an active CS, FS or CSTART after returning to logic one."
},
{
"number": "17",
"name": "FS",
"type": "input",
"description": "The DSP frame sync input indicates the start of a serial data frame and must be tied to VCC if not used."
},
{
"number": "18",
"name": "REFM",
"type": "input",
"description": "This pin is the external reference input or internal reference decoupling and must be tied to analog ground when the internal reference is used."
},
{
"number": "19",
"name": "REFP",
"type": "input",
"description": "This pin is the external reference input or internal reference decoupling with 10 µF and 0.1 µF shunt capacitors to REFM, and the maximum input range is the REFP to REFM voltage difference."
},
{
"number": "20",
"name": "CS",
"type": "input",
"description": "The chip select input resets the internal 4-bit counter, enables SDI and removes SDO from 3-state when taken high-to-low."
}
],
"provenance": {
"extractor": "extract_pins 0.3",
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"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: Pin-to-name mapping for the TSSOP-20 (PW) variant was read from the 20-pin TLV2548 top-view drawing "
],
"pages_sent": 12,
"cost_usd": 0.0252,
"at": "2026-11-05T23:44:28"
},
"datasheet": {
"url": "https://www.ti.com/lit/ds/symlink/tlv2548.pdf",
"pages": 51,
"sha256": "0baf06c23013ca49",
"source_tier": "mfr"
},
"cad": "KiCad official (CC-BY-SA 4.0)",
"pins": {
"total": 20,
"described": 20,
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