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OPA2170AIDCUT

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

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OPA2170AIDCUT

Texas Instruments · Operational Amplifier · VSSOP-8

OPA2170AIDCUT 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 OUT A output Channel A output, which swings rail to rail and whose short-circuit current is continuous per the absolute maximum note (one amplifier shorted per package).
2 -IN A input Channel A inverting input; the common-mode range extends from 100 mV below V- to within 2 V of V+, and input current should be limited to 10 mA when the input is driven beyond the supply rails.
3 +IN A input Channel A non-inverting input; the common-mode range extends from 100 mV below V- to within 2 V of V+, and input current should be limited to 10 mA when the input is driven beyond the supply rails.
4 V- power_in Negative (lowest) power supply; the device operates from a 2.7 V to 36 V total supply (V+ - V-), or ±1.35 V to ±18 V.
5 +IN B input Channel B non-inverting input; the common-mode range extends from 100 mV below V- to within 2 V of V+, and input current should be limited to 10 mA when the input is driven beyond the supply rails.
6 -IN B input Channel B inverting input; the common-mode range extends from 100 mV below V- to within 2 V of V+, and input current should be limited to 10 mA when the input is driven beyond the supply rails.
7 OUT B output Channel B output, which swings rail to rail and whose short-circuit current is continuous per the absolute maximum note (one amplifier shorted per package).
8 V+ power_in Positive (highest) power supply; the recommended total supply is 2.7 V to 36 V and the absolute maximum single-supply voltage is 40 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
Input offset voltage VOS -1.8 0.25 1.8 mV TA = 25°C 9
Input offset voltage VOS -2 2 mV TA = –40°C 至 +125°C 9
Input offset voltage drift dVOS/dT -2 0.3 2 µV/°C TA = –40°C 至 +125°C 9
Input offset voltage vs power supply (PSRR) PSRR -5 1 5 µV/V VS = 4V 至 36V，TA = –40°C 至 +125°C 9
Input bias current IB -15 8 15 pA TA = 25°C 9
Input bias current IB -3.5 3.5 nA TA = –40°C 至 +125°C 9
Input offset current IOS -15 4 15 pA TA = 25°C 9
Input offset current IOS -3.5 3.5 nA TA = –40°C 至 +125°C 9
Common-mode rejection ratio CMRR 90 104 dB VS = ±2 V，(V–) - 0.1 V < VCM < (V+) - 2 V，TA = –40°C 至 +125°C 9
Common-mode rejection ratio CMRR 104 120 dB VS = ±18V，(V–) - 0.1V < VCM < (V+) - 2V，TA = –40°C 至 +125°C 9
Open-loop voltage gain AOL 110 130 dB VS = 4V 至 36V，(V–) + 0.35V < VO < (V+) - 0.35V，TA = –40°C 至 +125°C 9
Output voltage swing from positive rail VO 10 mV IL = 0mA，VS = 4V 至 36V 10
Output voltage swing from positive rail (sourcing) IL 115 mV 拉电流 1mA，VS = 4V 至 36V 10
Output voltage swing from negative rail VO 8 mV IL = 0 mA，VS = 4V 至 36V 10
Output voltage swing from negative rail (sinking) IL 70 mV 灌电流 1mA，VS = 4V 至 36V 10
Short-circuit current ISC -20 17 mA 10
Rated supply voltage range VS 2.7 36 V 10
Quiescent current per amplifier IQ 110 145 µA IO = 0A；TA = 25°C 10
Quiescent current per amplifier IQ 155 µA IO = 0A；TA = –40°C 至 +125°C 10
Rated temperature range -40 125 °C 10
Operating temperature range -55 150 °C 10
Junction-to-ambient thermal resistance (DCU) RθJA 175.2 °C/W 8
Junction-to-case (top) thermal resistance (DCU) RθJC(top) 74.9 °C/W 8
Junction-to-board thermal resistance (DCU) RθJB 22.2 °C/W 8
Junction-to-top characterization parameter (DCU) ψJT 1.6 °C/W 8
Junction-to-board characterization parameter (DCU) ψJB 22.8 °C/W 8

CAD (KiCad official)

  • Symbol: OPA2170AIDCUT
  • Footprint: Package_SO:VSSOP-8_2.3x2mm_P0.5mm
  • 3D model: VSSOP-8 (KiCad packages3D, STEP)
  • 3D model files: opa2170aidcut-etched.step / opa2170aidcut-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); opa2170aidcut.step / opa2170aidcut.glb are the bare package body.

Provenance

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

  • Datasheet: Texas Instruments datasheet (64 pp, sha256 094354bfd136e7d0, retrieved 2026-10-10, 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