component
ADS1148IRHBR
Public Made by Adomby adom
Texas Instruments Analog To Digital Converters (ADCs), VQFN-32-EP(5x5). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
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"schema_version": 1,
"type": "component",
"slug": "ads1148irhbr",
"title": "ADS1148IRHBR",
"brief": "Texas Instruments Analog To Digital Converters (ADCs), VQFN-32-EP(5x5). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
"version": "0.1.0",
"license": "CC-BY-SA-4.0",
"tags": [
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"adc-dac-data conversion",
"ads1148irhbr",
"factory-2.0.0",
"extractor-text"
],
"component": {
"mpn": "ADS1148IRHBR",
"manufacturer": "Texas Instruments",
"package": "VQFN-32-EP(5x5)",
"pin_count": 33,
"category": "ADC/DAC/Data Conversion",
"subcategory": "Analog To Digital Converters (ADCs)",
"datasheet": "https://www.ti.com/cn/lit/gpn/ads1148",
"parts": {
"symbol": "ads1148irhbr.kicad_sym",
"footprint": "ads1148irhbr.kicad_mod",
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"model_3d_step_plain": "ads1148irhbr.step",
"lbr": "ads1148irhbr.lbr"
},
"distributor_links": {
"lcsc": "C2670039",
"digikey": "296-36544-2-ND",
"mouser": "595-ADS1148IRHBR"
},
"distributor_check": {
"checked_at": "2026-10-10T23:57:54Z",
"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": "296-36544-2-ND",
"status": "found",
"lifecycle": "Active"
},
"mouser": {
"pn": "595-ADS1148IRHBR",
"status": "found"
}
},
"pins": [
{
"number": "1",
"name": "DIN",
"type": "input",
"description": "Serial data input, shifted into the device on the falling edge of SCLK."
},
{
"number": "2",
"name": "SCLK",
"type": "input",
"description": "Serial clock input for the SPI-compatible interface (Schmitt-trigger input)."
},
{
"number": "3",
"name": "NC",
"type": "unconnected",
"description": "No internal connection; connect pin to AVSS or leave floating."
},
{
"number": "4",
"name": "NC",
"type": "unconnected",
"description": "No internal connection; connect pin to AVSS or leave floating."
},
{
"number": "5",
"name": "NC",
"type": "unconnected",
"description": "No internal connection; connect pin to AVSS or leave floating."
},
{
"number": "6",
"name": "NC",
"type": "unconnected",
"description": "No internal connection; connect pin to AVSS or leave floating."
},
{
"number": "7",
"name": "DVDD",
"type": "power_in",
"description": "Digital power supply; connect a 0.1-µF capacitor to DGND (digital supply range 2.7 V to 5.25 V)."
},
{
"number": "8",
"name": "DGND",
"type": "power_in",
"description": "Digital ground."
},
{
"number": "9",
"name": "CLK",
"type": "input",
"description": "External clock input; tie to DGND to activate the internal oscillator."
},
{
"number": "10",
"name": "RESET",
"type": "input",
"description": "Reset input, active low."
},
{
"number": "11",
"name": "REFP0/GPIO0",
"type": "bidirectional",
"description": "Positive external reference input 0, or general-purpose digital input/output pin 0."
},
{
"number": "12",
"name": "REFN0/GPIO1",
"type": "bidirectional",
"description": "Negative external reference input 0, or general-purpose digital input/output pin 1."
},
{
"number": "13",
"name": "REFP1",
"type": "input",
"description": "Positive external reference input 1."
},
{
"number": "14",
"name": "REFN1",
"type": "input",
"description": "Negative external reference input 1."
},
{
"number": "15",
"name": "VREFOUT",
"type": "output",
"description": "Positive internal reference voltage output; connect a capacitor in the range of 1 µF to 47 µF to VREFCOM."
},
{
"number": "16",
"name": "VREFCOM",
"type": "output",
"description": "Negative internal reference voltage output; connect to AVSS when using a unipolar supply or to the mid-voltage ground when using a bipolar supply."
},
{
"number": "17",
"name": "AIN0/IEXC",
"type": "input",
"description": "Analog input 0, optional excitation current output."
},
{
"number": "18",
"name": "AIN1/IEXC",
"type": "input",
"description": "Analog input 1, optional excitation current output."
},
{
"number": "19",
"name": "AIN4/IEXC/GPIO4",
"type": "bidirectional",
"description": "Analog input 4, optional excitation current output, or general-purpose digital input/output pin 4."
},
{
"number": "20",
"name": "AIN5/IEXC/GPIO5",
"type": "bidirectional",
"description": "Analog input 5, optional excitation current output, or general-purpose digital input/output pin 5."
},
{
"number": "21",
"name": "AIN6/IEXC/GPIO6",
"type": "bidirectional",
"description": "Analog input 6, optional excitation current output, or general-purpose digital input/output pin 6."
},
{
"number": "22",
"name": "AIN7/IEXC/GPIO7",
"type": "bidirectional",
"description": "Analog input 7, optional excitation current output, or general-purpose digital input/output pin 7."
},
{
"number": "23",
"name": "AIN2/IEXC/GPIO2",
"type": "bidirectional",
"description": "Analog input 2, optional excitation current output, or general-purpose digital input/output pin 2."
},
{
"number": "24",
"name": "AIN3/IEXC/GPIO3",
"type": "bidirectional",
"description": "Analog input 3, optional excitation current output, or general-purpose digital input/output pin 3."
},
{
"number": "25",
"name": "IEXC2",
"type": "output",
"description": "Excitation current output 2 (IDAC output)."
},
{
"number": "26",
"name": "IEXC1",
"type": "output",
"description": "Excitation current output 1 (IDAC output)."
},
{
"number": "27",
"name": "AVSS",
"type": "power_in",
"description": "Negative analog power supply."
},
{
"number": "28",
"name": "AVDD",
"type": "power_in",
"description": "Positive analog power supply; connect a 0.1-µF capacitor to AVSS (analog supply 2.7 V to 5.25 V unipolar, or ±2.5 V bipolar)."
},
{
"number": "29",
"name": "START",
"type": "input",
"description": "Conversion start input."
},
{
"number": "30",
"name": "CS",
"type": "input",
"description": "Chip select, active low."
},
{
"number": "31",
"name": "DRDY",
"type": "output",
"description": "Data ready output, active low."
},
{
"number": "32",
"name": "DOUT/DRDY",
"type": "output",
"description": "Serial data output, or data output combined with data ready; goes high-impedance when CS is high."
},
{
"number": "33",
"name": "Thermal Pad",
"type": "passive",
"description": "Thermal pad; connect pin to AVSS or leave floating."
}
],
"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 datasheet lists NC as one row for VQFN pins 3, 4, 5 and 6; these are expanded here into four sep; The thermal pad (printed as pin 33) has no ERC type in the datasheet; 'passive' was chosen from its ; The pin function table lists REFP0/GPIO0 as 'general-purpose digital input/output pin 1', which appe"
],
"pages_sent": 23,
"cost_usd": 0.1309,
"at": "2026-10-10T23:57:36"
},
"datasheet": {
"url": "https://www.ti.com/cn/lit/gpn/ads1148",
"pages": 100,
"sha256": "45e0fc75c85fcf9e",
"source_tier": "lcsc"
},
"cad": "KiCad official (CC-BY-SA 4.0)",
"pins": {
"total": 33,
"described": 33,
"cites_pages": true,
"refuses_to_fabricate": true
}
},
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"zmin_mm": 0,
"centre_offset_mm": 0,
"footprint_binding": "identity",
"sha256": "5fa713ea46b36980895812ed853577889b7cb06d275041a39b99bc0be305dc79",
"checked": "2026-10-10",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
},
{
"file": "ads1148irhbr-etched.step",
"role": "eda",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
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"zmin_mm": 0,
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"footprint_binding": "identity",
"sha256": "7c998b67902a79607bfe7483b318233aa33076f54cc6c30c35a1c9349ed665f2",
"checked": "2026-10-10",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
}
]
},
"metadata": {
"specs": {
"Manufacturer": "Texas Instruments",
"Package": "VQFN-32-EP(5x5)",
"Category": "ADC/DAC/Data Conversion",
"Pins": "33"
}
},
"variants": [],
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"email": "[email protected]"
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