component
ADS8167IRHBR
Public Made by Adomby adom
Texas Instruments Analog To Digital Converters (ADC), VQFN-32-EP(5x5). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
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"description": "Texas Instruments Analog To Digital Converters (ADC), VQFN-32-EP(5x5). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
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"data acquisition",
"ads8167irhbr",
"factory-2.0.0",
"extractor-text"
],
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"component": {
"mpn": "ADS8167IRHBR",
"manufacturer": "Texas Instruments",
"package": "VQFN-32-EP(5x5)",
"pin_count": 33,
"category": "Data Acquisition",
"subcategory": "Analog To Digital Converters (ADC)",
"datasheet": "https://www.ti.com/cn/lit/gpn/ads8166",
"parts": {
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"lbr": "ads8167irhbr.lbr"
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"distributor_links": {
"lcsc": "C2670597",
"digikey": "296-ADS8167IRHBRTR-ND",
"mouser": "595-ADS8167IRHBR"
},
"distributor_check": {
"checked_at": "2026-10-08T20:06:26Z",
"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": "296-ADS8167IRHBRTR-ND",
"status": "found",
"lifecycle": "Active"
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"pn": "595-ADS8167IRHBR",
"status": "found"
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"pins": [
{
"number": "1",
"name": "GND",
"type": "power_in",
"description": "Ground pin; one of three GND pins (1, 21, 31) that must be connected to the system ground."
},
{
"number": "2",
"name": "DECAP",
"type": "power_in",
"description": "Connect a 1µF capacitor to GND for the internal power supply."
},
{
"number": "3",
"name": "REFIO",
"type": "bidirectional",
"description": "External reference voltage input; the internal reference is a 4.096V output, and a 1µF capacitor must be connected from this pin to GND."
},
{
"number": "4",
"name": "REFM",
"type": "passive",
"description": "Reference ground potential; short this pin to GND externally."
},
{
"number": "5",
"name": "REFP",
"type": "bidirectional",
"description": "Reference buffer output and ADC reference input; short pins 5 and 6 together."
},
{
"number": "6",
"name": "REFP",
"type": "bidirectional",
"description": "Reference buffer output and ADC reference input; short pins 5 and 6 together."
},
{
"number": "7",
"name": "REFby2",
"type": "output",
"description": "Output voltage equals half the voltage on the REFP pin; connect a 1µF capacitor from this pin to GND."
},
{
"number": "8",
"name": "AIN-COM",
"type": "passive",
"description": "Common analog input; connect to GND for single-ended operation or to REFby2 for pseudo-differential operation, as set by the COM_CFG register."
},
{
"number": "9",
"name": "AIN0",
"type": "passive",
"description": "Analog input channel 0."
},
{
"number": "10",
"name": "AIN1",
"type": "passive",
"description": "Analog input channel 1."
},
{
"number": "11",
"name": "AIN2",
"type": "passive",
"description": "Analog input channel 2."
},
{
"number": "12",
"name": "AIN3",
"type": "passive",
"description": "Analog input channel 3."
},
{
"number": "13",
"name": "AIN4",
"type": "passive",
"description": "Analog input channel 4."
},
{
"number": "14",
"name": "AIN5",
"type": "passive",
"description": "Analog input channel 5."
},
{
"number": "15",
"name": "AIN6",
"type": "passive",
"description": "Analog input channel 6."
},
{
"number": "16",
"name": "AIN7",
"type": "passive",
"description": "Analog input channel 7."
},
{
"number": "17",
"name": "ADC-INP",
"type": "passive",
"description": "Positive ADC analog input."
},
{
"number": "18",
"name": "MUXOUT-P",
"type": "output",
"description": "MUX positive analog output."
},
{
"number": "19",
"name": "MUXOUT-M",
"type": "output",
"description": "MUX negative analog output."
},
{
"number": "20",
"name": "ADC-INM",
"type": "passive",
"description": "Negative ADC analog input."
},
{
"number": "21",
"name": "GND",
"type": "power_in",
"description": "Ground pin; one of three GND pins (1, 21, 31) that must be connected to the system ground."
},
{
"number": "22",
"name": "ALERT",
"type": "output",
"description": "Digital ALERT output, active high; it is the logical OR of the enabled channel ALERTs."
},
{
"number": "23",
"name": "CS",
"type": "input",
"description": "Active-low chip-select; the device starts converting the active channel on the rising edge of CS, and the SDO-x pins go Hi-Z when CS is high."
},
{
"number": "24",
"name": "SDI",
"type": "input",
"description": "Serial data input that transfers data or commands into the device."
},
{
"number": "25",
"name": "SCLK",
"type": "input",
"description": "Clock input for the serial interface; all system-synchronous data transfer protocols are timed with respect to SCLK."
},
{
"number": "26",
"name": "SDO-0",
"type": "output",
"description": "Serial communication data output 0."
},
{
"number": "27",
"name": "SDO-1/SEQSTS",
"type": "output",
"description": "Multifunction output: by default indicates channel scanning status in auto and custom sequence modes, and functions as serial data output SDO-1 in dual SDO mode."
},
{
"number": "28",
"name": "READY",
"type": "output",
"description": "Multifunction output that reflects conversion status when CS is high, going low while a conversion is in process."
},
{
"number": "29",
"name": "RST",
"type": "input",
"description": "Asynchronous reset input; a low pulse resets the device and returns all register bits to their default states."
},
{
"number": "30",
"name": "DVDD",
"type": "power_in",
"description": "Interface power supply pin, with DVDD range of 1.65V to 5.5V; connect a 1µF capacitor from this pin to GND."
},
{
"number": "31",
"name": "GND",
"type": "power_in",
"description": "Ground pin; one of three GND pins (1, 21, 31) that must be connected to the system ground."
},
{
"number": "32",
"name": "AVDD",
"type": "power_in",
"description": "Analog power supply pin, with AVDD range of 3V to 5.5V; connect a 1µF capacitor from this pin to GND."
},
{
"number": "33",
"name": "EP",
"type": "passive",
"description": "Exposed pad (from the footprint; not named in the datasheet pin table)."
}
],
"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 exposed thermal pad (EP) on the VQFN-32 package is listed in Table 4-1 as 'Thermal pad', connect; Pin types are mapped to KiCad ERC classes by judgment: analog inputs are passive, analog outputs (RE; Pin 1, 21 and 31 are all GND; pin 5 and 6 are both REFP and must be shorted together. The pin table ",
"exposed pad 33 added from the footprint"
],
"pages_sent": 18,
"cost_usd": 0.1084,
"at": "2026-10-08T20:05:56"
},
"datasheet": {
"url": "https://www.ti.com/cn/lit/gpn/ads8166",
"pages": 86,
"sha256": "fa97ed7844ff4a62",
"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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"checked": "2026-10-08",
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}