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INA2290A2IDGKR

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Texas Instruments Current Sense Amplifiers, VSSOP-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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page.json ina2290a2idgkr: specified limits as data (metadata.characteristics, 24 rows from the datasheet) · Ray 13d ago
README.md ina2290a2idgkr: specified limits as data (metadata.characteristics, 24 rows from the datasheet) · Ray 13d ago

INA2290A2IDGKR

Texas Instruments · Current Sense Amplifiers · VSSOP-8

INA2290A2IDGKR from Texas Instruments, in a VSSOP-8. 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 IN+1 input Current-sense amplifier positive input for channel 1, connected to the bus-voltage side of the channel 1 sense resistor; the common-mode input range is 2.7 V to 120 V and analog input common-mode voltage is limited to -20 V to +122 V.
2 IN-1 input Current-sense amplifier negative input for channel 1, connected to the load side of the channel 1 sense resistor; analog input common-mode voltage is limited to -20 V to +122 V.
3 IN+2 input Current-sense amplifier positive input for channel 2, connected to the bus-voltage side of the channel 2 sense resistor; analog input common-mode voltage is limited to -20 V to +122 V.
4 IN-2 input Current-sense amplifier negative input for channel 2, connected to the load side of the channel 2 sense resistor; analog input common-mode voltage is limited to -20 V to +122 V.
5 GND power_in Ground reference for the device.
6 OUT2 output Channel 2 output voltage; the analog output is limited to GND - 0.3 V to VS + 0.3 V.
7 OUT1 output Channel 1 output voltage; the analog output is limited to GND - 0.3 V to VS + 0.3 V.
8 VS power_in Power supply, with a recommended operating supply range of 2.7 V to 20 V (absolute maximum 22 V).

Key specifications

Parameter Value
Manufacturer Texas Instruments
Package VSSOP-8
Category Amplifiers/Comparators
Pins 8

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 140 160 dB VCM = 2.7 V to 120 V, TA = –40°C to +125°C 6
Offset voltage, input referred (A2 devices) Vos -20 3 20 µV A2 devices 6
Power supply rejection ratio, input referred PSRR -0.5 0.05 0.5 µV/V VS = 2.7 V to 20 V, TA = –40°C to +125°C 6
Input bias current, IB+ IB+ 10 20 30 µA VSENSE = 0 mV 6
Input bias current, IB- IB- 10 20 30 µA VSENSE = 0 mV 6
Gain error (A1, A2, A3 devices) -0.1 0.02 0.1 % A1, A2, A3 devices, GND + 50 mV ≤ VOUT ≤ VS – 200 mV 6
Gain error drift 1.5 5 ppm/°C TA = –40°C to +125°C 6
Maximum capacitive load 500 pF No sustained oscillations, no isolation resistor 6
Swing to ground 0.005 0.025 V RLOAD = 10 kΩ, VSENSE = 0 V, TA = –40°C to +125°C 6
Supply voltage VS 2.7 20 V TA = –40°C to+125°C 7
Quiescent current, INA2290 IQ 680 900 µA 7
Quiescent current, INA2290 (over temperature) IQ 1200 µA TA = –40°C to +125°C 7
Common-mode input range VCM 48 120 V 5
Operating supply range VS 2.7 5 20 V 5
Ambient temperature TA -40 125 °C 5
Supply voltage (absolute maximum) Vs -0.3 22 V 5
Analog inputs, differential VIN+, VIN– -30 30 V (VIN+) – (VIN–) 5
Analog inputs, common mode VIN+, VIN– -20 122 V (VIN+ or VIN-) 5
Operating temperature (absolute maximum) TA -55 150 °C 5
Junction temperature TJ 150 °C 5
Storage temperature Tstg -65 150 °C 5
Junction-to-ambient thermal resistance (DGK, VSSOP-8) RθJA 169.3 °C/W 5
Junction-to-case (top) thermal resistance (DGK, VSSOP-8) RθJC(top) 60.1 °C/W 5
Junction-to-board thermal resistance (DGK, VSSOP-8) RθJB 91.3 °C/W 5

CAD (KiCad official)

  • Symbol: INA2290A2IDGKR
  • Footprint: Package_SO:VSSOP-8_2.3x2mm_P0.5mm
  • 3D model: VSSOP-8 (KiCad packages3D, STEP)
  • 3D model files: ina2290a2idgkr-etched.step / ina2290a2idgkr-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); ina2290a2idgkr.step / ina2290a2idgkr.glb are the bare package body.

Provenance

Data extracted from the manufacturer datasheet, not a distributor listing:

  • Datasheet: Texas Instruments datasheet (46 pp, sha256 eb2076b38a0b5721, retrieved 2026-10-11, tier: lcsc)
  • Datasheet language: Chinese. Pin names, descriptions, and specs on this page were extracted and translated to English by ds2sf; the linked PDF is the manufacturer original.
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-haiku-5-5 (text), consensus claude-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).

Datasheet PDF