component
INA281A4IDBVT
Public Made by Adomby adom
Texas Instruments Current Sense Amplifiers, SOT-23-5. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
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ina281a4idbvt: specified limits as data (metadata.characteristics, 37 rows from the datasheet)
2 files changed
+496−1
README.md+44@@ -23,6 +23,50 @@ INA281A4IDBVT from Texas Instruments, in a SOT-23-5. Pinout and pin descriptions | Category | Amplifiers/Comparators | | Pins | 5 | +## Electrical characteristics++Limits as printed in the datasheet (page.json `metadata.characteristics` carries them as data).++| Parameter | Symbol | Min | Typ | Max | Unit | Conditions | Page |+|---|---|---|---|---|---|---|---|+| Common-mode input voltage range | VCM | -4 | | 110 | V | TA = -40°C to +125°C | 4 |+| Common-mode rejection ratio, input-referred | CMRR | 120 | 140 | | dB | -4V ≤ VCM ≤ 110V, TA = -40°C to +125°C | 4 |+| Input-referred offset voltage | Vos | -200 | 30 | 200 | µV | INA281x4 | 4 |+| Offset voltage drift | dVos/dT | -1 | 0.1 | 1 | µV/°C | TA = -40°C to +125°C | 4 |+| Power supply rejection ratio, input-referred | PSRR | -10 | 1.5 | 10 | µV/V | 2.7V ≤ VS ≤ 20V, TA = -40°C to +125°C | 4 |+| Input bias current IB+ | IB+ | 10 | 20 | 30 | uA | VSENSE = 0V | 4 |+| Input bias current IB- | IB- | 10 | 20 | 30 | uA | VSENSE = 0V | 4 |+| Gain error | GERR | -0.5 | 0.07 | 0.5 | % | GND + 50mV ≤ VOUT ≤ VS – 200mV | 5 |+| Gain error drift | GERR | -20 | 2 | 20 | ppm/°C | TA = -40°C to +125°C | 5 |+| Maximum capacitive load | CLOAD | | | 500 | pF | No sustained oscillation, no isolation resistor | 5 |+| Output swing to GND | | | 0.005 | 0.02 | V | RLOAD = 10kΩ, VSENSE = 0V, TA = -40°C to +125°C | 5 |+| Gain | G | | 200 | | V/V | INA281x4 | 4 |+| Nonlinearity error | NLERR | | 0.01 | | % | | 5 |+| Bandwidth | BW | | 900 | | kHz | INA281x4, CLOAD = 5pF, VSENSE = 20mV | 5 |+| Slew rate | SR | | 2.5 | | V/µs | Rising edge | 5 |+| Settling time to 0.5% | | | 10 | | µs | VOUT = 4V ± 0.1V step, output settles to 0.5% | 5 |+| Settling time to 1% | | | 5 | | µs | VOUT = 4V ± 0.1V step, output settles to 1% | 5 |+| Settling time to 5% | | | 1 | | µs | VOUT = 4V ± 0.1V step, output settles to 5% | 5 |+| Voltage noise density | Ven | | 50 | | nV/√Hz | | 5 |+| Supply voltage | Vs | 2.7 | | 20 | V | TA = -40°C to +125°C | 5 |+| Quiescent current | IQ | | 1.5 | 2 | mA | | 5 |+| Quiescent current over temperature | IQ | | | 2.25 | mA | TA = -40°C to +125°C | 5 |+| Supply voltage | VS | -0.3 | | 22 | V | | 3 |+| Differential input voltage (VIN+) – (VIN–) | VIN | -12 | | 12 | V | All variants except INA281A5/B5 | 3 |+| Common-mode analog input voltage | VIN | -20 | | 120 | V | | 3 |+| Operating ambient temperature (absolute maximum) | TA | -55 | | 150 | °C | Natural ventilation | 3 |+| Junction temperature | TJ | | | 150 | °C | | 3 |+| Storage temperature | Tstg | -65 | | 150 | °C | | 3 |+| ESD human body model (HBM) | V(ESD) | -2000 | | 2000 | V | ANSI/ESDA/JEDEC JS-001, all pins | 3 |+| ESD charged device model (CDM) | V(ESD) | -1000 | | 1000 | V | JEDEC JESD22-C101, all pins | 3 |+| Common-mode input voltage range | VCM | -4 | 48 | 110 | V | | 4 |+| Ambient temperature | TA | -40 | | 125 | °C | | 4 |+| Junction-to-ambient thermal resistance | RθJA | | 184.7 | | °C/W | | 4 |+| Junction-to-case (top) thermal resistance | RθJC(top) | | 105.6 | | °C/W | | 4 |+| Junction-to-board thermal resistance | RθJB | | 47.2 | | °C/W | | 4 |+| Junction-to-top characterization parameter | ΨJT | | 21.5 | | °C/W | | 4 |+| Junction-to-board characterization parameter | ΨJB | | 46.9 | | °C/W | | 4 |+ ## CAD (KiCad official) - Symbol: `INA281A4IDBVT`
page.json+452−1@@ -162,6 +162,457 @@ "Package": "SOT-23-5", "Category": "Amplifiers/Comparators", "Pins": "5"+ },+ "characteristics": {+ "version": 1,+ "source": "datasheet",+ "datasheet_sha256": "b5bbdc809184263b",+ "rows": [+ {+ "name": "Common-mode input voltage range",+ "symbol": "VCM",+ "kind": "electrical",+ "unit": "V",+ "min": -4,+ "typ": null,+ "max": 110,+ "conditions": "TA = -40°C to +125°C",+ "source_page": 4,+ "source": "datasheet"+ },+ {+ "name": "Common-mode rejection ratio, input-referred",+ "symbol": "CMRR",+ "kind": "electrical",+ "unit": "dB",+ "min": 120,+ "typ": 140,+ "max": null,+ "conditions": "-4V ≤ VCM ≤ 110V, TA = -40°C to +125°C",+ "source_page": 4,+ "source": "datasheet"+ },+ {+ "name": "Input-referred offset voltage",+ "symbol": "Vos",+ "kind": "electrical",+ "unit": "µV",+ "min": -200,+ "typ": 30,+ "max": 200,+ "conditions": "INA281x4",+ "source_page": 4,+ "source": "datasheet"+ },+ {+ "name": "Offset voltage drift",+ "symbol": "dVos/dT",+ "kind": "temperature_coefficient",+ "unit": "µV/°C",+ "min": -1,+ "typ": 0.1,+ "max": 1,+ "conditions": "TA = -40°C to +125°C",+ "source_page": 4,+ "source": "datasheet"+ },+ {+ "name": "Power supply rejection ratio, input-referred",+ "symbol": "PSRR",+ "kind": "electrical",+ "unit": "µV/V",+ "min": -10,+ "typ": 1.5,+ "max": 10,+ "conditions": "2.7V ≤ VS ≤ 20V, TA = -40°C to +125°C",+ "source_page": 4,+ "source": "datasheet"+ },+ {+ "name": "Input bias current IB+",+ "symbol": "IB+",+ "kind": "electrical",+ "unit": "uA",+ "min": 10,+ "typ": 20,+ "max": 30,+ "conditions": "VSENSE = 0V",+ "source_page": 4,+ "source": "datasheet"+ },+ {+ "name": "Input bias current IB-",+ "symbol": "IB-",+ "kind": "electrical",+ "unit": "uA",+ "min": 10,+ "typ": 20,+ "max": 30,+ "conditions": "VSENSE = 0V",+ "source_page": 4,+ "source": "datasheet"+ },+ {+ "name": "Gain error",+ "symbol": "GERR",+ "kind": "tolerance",+ "unit": "%",+ "min": -0.5,+ "typ": 0.07,+ "max": 0.5,+ "conditions": "GND + 50mV ≤ VOUT ≤ VS – 200mV",+ "source_page": 5,+ "source": "datasheet"+ },+ {+ "name": "Gain error drift",+ "symbol": "GERR",+ "kind": "temperature_coefficient",+ "unit": "ppm/°C",+ "min": -20,+ "typ": 2,+ "max": 20,+ "conditions": "TA = -40°C to +125°C",+ "source_page": 5,+ "source": "datasheet"+ },+ {+ "name": "Maximum capacitive load",+ "symbol": "CLOAD",+ "kind": "electrical",+ "unit": "pF",+ "min": null,+ "typ": null,+ "max": 500,+ "conditions": "No sustained oscillation, no isolation resistor",+ "source_page": 5,+ "source": "datasheet"+ },+ {+ "name": "Output swing to GND",+ "symbol": "",+ "kind": "electrical",+ "unit": "V",+ "min": null,+ "typ": 0.005,+ "max": 0.02,+ "conditions": "RLOAD = 10kΩ, VSENSE = 0V, TA = -40°C to +125°C",+ "source_page": 5,+ "source": "datasheet"+ },+ {+ "name": "Gain",+ "symbol": "G",+ "kind": "electrical",+ "unit": "V/V",+ "min": null,+ "typ": 200,+ "max": null,+ "conditions": "INA281x4",+ "source_page": 4,+ "source": "datasheet"+ },+ {+ "name": "Nonlinearity error",+ "symbol": "NLERR",+ "kind": "electrical",+ "unit": "%",+ "min": null,+ "typ": 0.01,+ "max": null,+ "conditions": "",+ "source_page": 5,+ "source": "datasheet"+ },+ {+ "name": "Bandwidth",+ "symbol": "BW",+ "kind": "electrical",+ "unit": "kHz",+ "min": null,+ "typ": 900,+ "max": null,+ "conditions": "INA281x4, CLOAD = 5pF, VSENSE = 20mV",+ "source_page": 5,+ "source": "datasheet"+ },+ {+ "name": "Slew rate",+ "symbol": "SR",+ "kind": "electrical",+ "unit": "V/µs",+ "min": null,+ "typ": 2.5,+ "max": null,+ "conditions": "Rising edge",+ "source_page": 5,+ "source": "datasheet"+ },+ {+ "name": "Settling time to 0.5%",+ "symbol": "",+ "kind": "electrical",+ "unit": "µs",+ "min": null,+ "typ": 10,+ "max": null,+ "conditions": "VOUT = 4V ± 0.1V step, output settles to 0.5%",+ "source_page": 5,+ "source": "datasheet"+ },+ {+ "name": "Settling time to 1%",+ "symbol": "",+ "kind": "electrical",+ "unit": "µs",+ "min": null,+ "typ": 5,+ "max": null,+ "conditions": "VOUT = 4V ± 0.1V step, output settles to 1%",+ "source_page": 5,+ "source": "datasheet"+ },+ {+ "name": "Settling time to 5%",+ "symbol": "",+ "kind": "electrical",+ "unit": "µs",+ "min": null,+ "typ": 1,+ "max": null,+ "conditions": "VOUT = 4V ± 0.1V step, output settles to 5%",+ "source_page": 5,+ "source": "datasheet"+ },+ {+ "name": "Voltage noise density",+ "symbol": "Ven",+ "kind": "electrical",+ "unit": "nV/√Hz",+ "min": null,+ "typ": 50,+ "max": null,+ "conditions": "",+ "source_page": 5,+ "source": "datasheet"+ },+ {+ "name": "Supply voltage",+ "symbol": "Vs",+ "kind": "recommended_operating",+ "unit": "V",+ "min": 2.7,+ "typ": null,+ "max": 20,+ "conditions": "TA = -40°C to +125°C",+ "source_page": 5,+ "source": "datasheet"+ },+ {+ "name": "Quiescent current",+ "symbol": "IQ",+ "kind": "electrical",+ "unit": "mA",+ "min": null,+ "typ": 1.5,+ "max": 2,+ "conditions": "",+ "source_page": 5,+ "source": "datasheet"+ },+ {+ "name": "Quiescent current over temperature",+ "symbol": "IQ",+ "kind": "electrical",+ "unit": "mA",+ "min": null,+ "typ": null,+ "max": 2.25,+ "conditions": "TA = -40°C to +125°C",+ "source_page": 5,+ "source": "datasheet"+ },+ {+ "name": "Supply voltage",+ "symbol": "VS",+ "kind": "absolute_maximum",+ "unit": "V",+ "min": -0.3,+ "typ": null,+ "max": 22,+ "conditions": "",+ "source_page": 3,+ "source": "datasheet"+ },+ {+ "name": "Differential input voltage (VIN+) – (VIN–)",+ "symbol": "VIN",+ "kind": "absolute_maximum",+ "unit": "V",+ "min": -12,+ "typ": null,+ "max": 12,+ "conditions": "All variants except INA281A5/B5",+ "source_page": 3,+ "source": "datasheet"+ },+ {+ "name": "Common-mode analog input voltage",+ "symbol": "VIN",+ "kind": "absolute_maximum",+ "unit": "V",+ "min": -20,+ "typ": null,+ "max": 120,+ "conditions": "",+ "source_page": 3,+ "source": "datasheet"+ },+ {+ "name": "Operating ambient temperature (absolute maximum)",+ "symbol": "TA",+ "kind": "absolute_maximum",+ "unit": "°C",+ "min": -55,+ "typ": null,+ "max": 150,+ "conditions": "Natural ventilation",+ "source_page": 3,+ "source": "datasheet"+ },+ {+ "name": "Junction temperature",+ "symbol": "TJ",+ "kind": "absolute_maximum",+ "unit": "°C",+ "min": null,+ "typ": null,+ "max": 150,+ "conditions": "",+ "source_page": 3,+ "source": "datasheet"+ },+ {+ "name": "Storage temperature",+ "symbol": "Tstg",+ "kind": "absolute_maximum",+ "unit": "°C",+ "min": -65,+ "typ": null,+ "max": 150,+ "conditions": "",+ "source_page": 3,+ "source": "datasheet"+ },+ {+ "name": "ESD human body model (HBM)",+ "symbol": "V(ESD)",+ "kind": "absolute_maximum",+ "unit": "V",+ "min": -2000,+ "typ": null,+ "max": 2000,+ "conditions": "ANSI/ESDA/JEDEC JS-001, all pins",+ "source_page": 3,+ "source": "datasheet"+ },+ {+ "name": "ESD charged device model (CDM)",+ "symbol": "V(ESD)",+ "kind": "absolute_maximum",+ "unit": "V",+ "min": -1000,+ "typ": null,+ "max": 1000,+ "conditions": "JEDEC JESD22-C101, all pins",+ "source_page": 3,+ "source": "datasheet"+ },+ {+ "name": "Common-mode input voltage range",+ "symbol": "VCM",+ "kind": "recommended_operating",+ "unit": "V",+ "min": -4,+ "typ": 48,+ "max": 110,+ "conditions": "",+ "source_page": 4,+ "source": "datasheet"+ },+ {+ "name": "Ambient temperature",+ "symbol": "TA",+ "kind": "recommended_operating",+ "unit": "°C",+ "min": -40,+ "typ": null,+ "max": 125,+ "conditions": "",+ "source_page": 4,+ "source": "datasheet"+ },+ {+ "name": "Junction-to-ambient thermal resistance",+ "symbol": "RθJA",+ "kind": "thermal",+ "unit": "°C/W",+ "min": null,+ "typ": 184.7,+ "max": null,+ "conditions": "",+ "source_page": 4,+ "source": "datasheet"+ },+ {+ "name": "Junction-to-case (top) thermal resistance",+ "symbol": "RθJC(top)",+ "kind": "thermal",+ "unit": "°C/W",+ "min": null,+ "typ": 105.6,+ "max": null,+ "conditions": "",+ "source_page": 4,+ "source": "datasheet"+ },+ {+ "name": "Junction-to-board thermal resistance",+ "symbol": "RθJB",+ "kind": "thermal",+ "unit": "°C/W",+ "min": null,+ "typ": 47.2,+ "max": null,+ "conditions": "",+ "source_page": 4,+ "source": "datasheet"+ },+ {+ "name": "Junction-to-top characterization parameter",+ "symbol": "ΨJT",+ "kind": "thermal",+ "unit": "°C/W",+ "min": null,+ "typ": 21.5,+ "max": null,+ "conditions": "",+ "source_page": 4,+ "source": "datasheet"+ },+ {+ "name": "Junction-to-board characterization parameter",+ "symbol": "ΨJB",+ "kind": "thermal",+ "unit": "°C/W",+ "min": null,+ "typ": 46.9,+ "max": null,+ "conditions": "",+ "source_page": 4,+ "source": "datasheet"+ }+ ] } }, "variants": [],@@ -203,4 +654,4 @@ "visibility": { "public": true }-}+}