component
INA2126U
Public Made by Adomby adom
Texas Instruments Instrumentation Amplifiers, SOIC-16. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
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"title": "INA2126U",
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"manufacturer": "Texas Instruments",
"package": "SOIC-16",
"pin_count": 16,
"category": "Amplifiers/Comparators",
"subcategory": "Instrumentation Amplifiers",
"datasheet": "https://www.ti.com/cn/lit/gpn/ina126",
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"lcsc": "C2878004",
"digikey": "296-44408-5-ND",
"mouser": "595-INA2126U"
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"distributor_check": {
"checked_at": "2026-10-07T22:53:29Z",
"source": "Component Ocean /api/assign-pns",
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"pn": "296-44408-5-ND",
"status": "found"
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"pins": [
{
"number": "1",
"name": "V-INA",
"type": "power_in",
"description": "Inverting input of amplifier A; input voltage is clamped by internal diodes to the supply rails, and source current should be limited to 10 mA if the signal exceeds the supplies."
},
{
"number": "2",
"name": "V+INA",
"type": "power_in",
"description": "Non-inverting input of amplifier A; input voltage is clamped by internal diodes to the supply rails, and source current should be limited to 10 mA if the signal exceeds the supplies."
},
{
"number": "3",
"name": "RGA",
"type": "passive",
"description": "Gain-set pin for amplifier A; for gains greater than 5, a gain resistor RG is placed between pins 3 and 4 (G = 5 + 80 kΩ / RG)."
},
{
"number": "4",
"name": "RGA",
"type": "passive",
"description": "Gain-set pin for amplifier A; for gains greater than 5, a gain resistor RG is placed between pins 3 and 4 (G = 5 + 80 kΩ / RG)."
},
{
"number": "5",
"name": "RefA",
"type": "input",
"description": "Reference input for amplifier A; this pin must be driven from a low-impedance source or tied to ground."
},
{
"number": "6",
"name": "VOA",
"type": "output",
"description": "Output of amplifier A; connect to SenseA (pin 7) for proper operation."
},
{
"number": "7",
"name": "SenseA",
"type": "input",
"description": "Feedback sense input for amplifier A; must be connected to output VOA (pin 6) for proper operation."
},
{
"number": "8",
"name": "V-",
"type": "power_in",
"description": "Negative power supply; dual supply range is ±1.35 V to ±18 V, or single supply 2.7 V to 36 V (V- to V+)."
},
{
"number": "9",
"name": "V+",
"type": "power_in",
"description": "Positive power supply; dual supply range is ±1.35 V to ±18 V, or single supply 2.7 V to 36 V (V- to V+)."
},
{
"number": "10",
"name": "SenseB",
"type": "input",
"description": "Feedback sense input for amplifier B; must be connected to output VOB (pin 11) for proper operation."
},
{
"number": "11",
"name": "VOB",
"type": "output",
"description": "Output of amplifier B; connect to SenseB (pin 10) for proper operation."
},
{
"number": "12",
"name": "RefB",
"type": "input",
"description": "Reference input for amplifier B; this pin must be driven from a low-impedance source or tied to ground."
},
{
"number": "13",
"name": "RGB",
"type": "passive",
"description": "Gain-set pin for amplifier B; for gains greater than 5, a gain resistor RG is placed between pins 13 and 14 (G = 5 + 80 kΩ / RG)."
},
{
"number": "14",
"name": "RGB",
"type": "passive",
"description": "Gain-set pin for amplifier B; for gains greater than 5, a gain resistor RG is placed between pins 13 and 14 (G = 5 + 80 kΩ / RG)."
},
{
"number": "15",
"name": "V+INB",
"type": "power_in",
"description": "Non-inverting input of amplifier B; input voltage is clamped by internal diodes to the supply rails, and source current should be limited to 10 mA if the signal exceeds the supplies."
},
{
"number": "16",
"name": "V-INB",
"type": "power_in",
"description": "Inverting input of amplifier B; input voltage is clamped by internal diodes to the supply rails, and source current should be limited to 10 mA if the signal exceeds the supplies."
}
],
"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 16-pin SOIC (D) pinout is taken from Table 4-2 and Figure 4-2 (page 4). The INA2126U orderable p; Pin 8 and pin 9 are printed as V- and V+ in Table 4-2 and the description is taken from the single-s; The simplified schematic on page 1 and the application figures use different pin numbers for the INA"
],
"pages_sent": 20,
"cost_usd": 0.1028,
"at": "2026-10-07T22:53:11"
},
"datasheet": {
"url": "https://www.ti.com/cn/lit/gpn/ina126",
"pages": 38,
"sha256": "67a5c87b926613db",
"source_tier": "lcsc"
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"cad": "KiCad official (CC-BY-SA 4.0)",
"pins": {
"total": 16,
"described": 16,
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},
"metadata": {
"specs": {
"Manufacturer": "Texas Instruments",
"Package": "SOIC-16",
"Category": "Amplifiers/Comparators",
"Pins": "16"
}
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"author": {
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"email": "[email protected]"
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