component
INA280A3IDCKR
Public Made by Adomby adom
Texas Instruments Current-Sensing Amplifiers, SC-70-5. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
Generated by kicad-footprint-generator · KiCad file format 20260206
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INA280A3IDCKR
Texas Instruments · Current-Sensing Amplifiers · SC-70-5
INA280A3IDCKR from Texas Instruments, in a SC-70-5. Pinout and pin descriptions extracted from the manufacturer datasheet (extract_pins, cross-checked by a second model); symbol, footprint, and 3D from KiCad-official CAD.
Pinout
| Pin | Name | Type | Function |
|---|---|---|---|
| 1 | OUT | output | Output voltage of the current sense amplifier (INA280A3 gain of 100 V/V). |
| 2 | GND | power_in | Ground. |
| 3 | VS | power_in | Power supply, operating range 2.7 V to 20 V (absolute maximum 22 V). |
| 4 | IN+ | input | Connect to supply side of shunt resistor; common-mode range 2.7 V to 120 V operating, -20 V to 122 V absolute maximum. |
| 5 | IN- | input | Connect to load side of shunt resistor; common-mode range 2.7 V to 120 V operating, -20 V to 122 V absolute maximum. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Texas Instruments |
| Package | SC-70-5 |
| Category | Operational Amplifier/Comparator |
| 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 rejection ratio | CMRR | 120 | 140 | dB | VCM = 2.7 V to 120 V, TA = -40 °C to +125 °C | 5 | |
| Common-mode rejection ratio, AC | CMRR | 85 | dB | f = 50 kHz | 5 | ||
| Offset voltage, input referred | Vos | -150 | 15 | 150 | µV | 5 | |
| Offset voltage drift | dVos/dT | 1 | µV/℃ | TA = -40 °C to +125 °C | 5 | ||
| Power supply rejection ratio, input referred | PSRR | -10 | 1 | 10 | µV/V | VS = 2.7 V to 20 V, TA = -40 °C to +125 °C | 5 |
| Input bias current IB+ | IB+ | 10 | 20 | 30 | µA | VSENSE = 0 mV | 5 |
| Input bias current IB- | IB- | 10 | 20 | 30 | µA | VSENSE = 0 mV | 5 |
| Gain (A3 devices) | G | 100 | V/V | A3 devices | 5 | ||
| Gain error | -0.5 | 0.1 | 0.5 | % | GND + 50 mV ≤ VOUT ≤ VS, 200 mV | 5 | |
| Gain error drift | 2.5 | 20 | ppm/°C | TA = -40 °C to +125 °C | 5 | ||
| Nonlinearity error | 0.01 | % | 5 | ||||
| Maximum capacitive load | 500 | pF | No sustained oscillations, no isolation resistor | 5 | |||
| Swing to VS power supply rail | -0.07 | -0.2 | V | RLOAD = 10 kΩ, TA = -40 °C to +125 °C (printed VS, 0.07 typ, VS, 0.2 max) | 5 | ||
| Swing to ground | 0.005 | 0.025 | V | RLOAD = 10 kΩ, VSENSE = 0 V, TA = -40 °C to +125 °C | 5 | ||
| Bandwidth (A3 devices) | BW | 900 | kHz | A3 devices, CLOAD = 5 pF, VSENSE = 40 mV | 5 | ||
| Slew rate | SR | 2 | V/µs | 5 | |||
| Settling time to 0.5% | 9 | µs | VOUT =4 V ± 0.1 V step, output settles to 0.5% | 5 | |||
| Settling time to 1% | 5 | µs | VOUT =4 V ± 0.1 V step, output settles to 1% | 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 | 370 | 500 | µA | 5 | ||
| Quiescent current over temperature | IQ | 600 | µA | TA = -40 °C to +125 °C | 5 | ||
| Supply voltage (abs max) | Vs | -0.3 | 22 | V | 4 | ||
| Differential input voltage (abs max) | VIN+, VIN- | -30 | 30 | V | Analog inputs, differential | 4 | |
| Common-mode input voltage (abs max) | -20 | 122 | V | Analog inputs, common-mode | 4 | ||
| Output voltage (abs max) | -0.3 | 0.3 | V | GND, 0.3 to Vs + 0.3 | 4 | ||
| Operating temperature (abs max) | TA | -55 | 150 | °C | 4 | ||
| Junction temperature | TJ | 150 | °C | 4 | |||
| Storage temperature | Tstg | -65 | 150 | °C | 4 | ||
| ESD HBM | V(ESD) | -2000 | 2000 | V | Human body model, all pins | 4 | |
| ESD CDM | V(ESD) | -1000 | 1000 | V | Charged device model, all pins | 4 | |
| Common-mode input range | VCM | 48 | 120 | V | Min printed as VS | 4 | |
| Operating supply range | VS | 2.7 | 5 | 20 | V | 4 | |
| Ambient temperature | TA | -40 | 125 | °C | 4 | ||
| Junction-to-ambient thermal resistance | RθJA | 191.6 | °C/W | DCK (SC-70), 5 pins | 4 | ||
| Junction-to-case (top) thermal resistance | RθJC(top) | 144.4 | °C/W | DCK (SC-70), 5 pins | 4 | ||
| Junction-to-board thermal resistance | RθJB | 69.2 | °C/W | DCK (SC-70), 5 pins | 4 | ||
| Junction-to-top characterization parameter | ΨJT | 46.2 | °C/W | DCK (SC-70), 5 pins | 4 | ||
| Junction-to-board characterization parameter | ΨJB | 69 | °C/W | DCK (SC-70), 5 pins | 4 |
CAD (KiCad official)
- Symbol:
INA280A3IDCKR - Footprint:
Package_TO_SOT_SMD:SOT-353_SC-70-5 - 3D model: SC-70-5 (KiCad packages3D, STEP)
- 3D model files:
ina280a3idckr-etched.step/ina280a3idckr-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);ina280a3idckr.step/ina280a3idckr.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Texas Instruments datasheet (27 pp, sha256
b25f05be1d98f636, retrieved 2026-10-31, tier: manufacturer) - Extractor: parts-factory
2.0.0/extract_pins 0.3, primaryclaude-sonnet-5-5(text), consensusclaude-sonnet-5-5(agreed), guards: pin_guards 0.1: passed. Pins are checked against the footprint pad set and their cited datasheet pages before publish. - CAD: KiCad official libraries (CC-BY-SA 4.0).