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OPA310IDCKR

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TI Operational Amplifier, SC-70-5. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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OPA310IDCKR

TI · Operational Amplifier · SC-70-5

OPA310IDCKR from TI, 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 IN+ input Noninverting input.
2 V- power_in Negative (low) supply or ground (for single-supply operation).
3 IN- input Inverting input.
4 OUT output Amplifier output.
5 V+ power_in Positive (high) supply; supply voltage range is 1.5V to 5.5V.

Key specifications

Parameter Value
Manufacturer TI
Package SC-70-5
Category Amplifiers
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
Supply voltage VS 0 7 V (V+), (V-) 10
Signal input common-mode voltage -0.5 6 V 10
Signal input differential voltage -6 6 V 10
Signal input current -10 10 mA 10
Operating ambient temperature TA -55 150 °C 10
Junction temperature TJ 150 °C 10
Storage temperature Tstg -65 150 °C 10
ESD HBM V(ESD) -8000 8000 V OPA310, HBM per ANSI/ESDA/JEDEC JS-001 10
ESD CDM V(ESD) -1500 1500 V OPA310, CDM per JEDEC JS-002 10
Supply voltage VS 1.5 5.5 V (V+), (V-) 10
Input voltage range VI -0.1 5.6 V 10
Specified temperature TA -40 125 °C 10
Junction-to-ambient thermal resistance RθJA 214.6 °C/W DCK (SC70), 5 pins 10
Junction-to-case (top) thermal resistance RθJC(top) 110 °C/W DCK (SC70), 5 pins 10
Junction-to-board thermal resistance RθJB 60.7 °C/W DCK (SC70), 5 pins 10
Junction-to-top characterization parameter ψJT 32.1 °C/W DCK (SC70), 5 pins 10
Junction-to-board characterization parameter ψJB 60.4 °C/W DCK (SC70), 5 pins 10
Input offset voltage VOS -1.3 0.25 1.3 mV VCM = V- 12
Input offset voltage VOS -1.4 1.4 mV VCM = V-, TA = -40°C to 125°C 12
Input offset voltage drift dVOS/dT 0.5 µV/℃ VCM = V-, TA = -40°C to 125°C 12
Input offset voltage versus power supply PSRR 10 50 µV/V VS = 1.5 V to 5.5 V, VCM = V- 12
Input bias current IB 1 30 pA VS = 1.8 V and VS = 5 V 12
Input offset current IOS 0.5 25 pA VS = 1.8 V and VS = 5 V 12
Common-mode rejection ratio CMRR 75 85 dB VS = 1.8 V, (V-) ≤ VCM ≤ (V+), 0.6 V 12
Common-mode rejection ratio CMRR 65 78 dB VS = 1.8 V, (V-) ≤ VCM ≤ (V+), 0.6 V, TA = -40°C to 125°C 12
Common-mode rejection ratio CMRR 83 95 dB VS = 5.5 V, (V-) ≤ VCM ≤ (V+), 0.6 V 12
Common-mode rejection ratio full range CMRR 57.5 70 dB VS = 1.8 V, (V-) ≤ VCM ≤ (V+), TA = -40°C to 125°C 12
Common-mode rejection ratio full range CMRR 66.5 80 dB VS = 5.5 V, (V-), 0.1 V ≤ VCM ≤ (V+) + 0.1 V, TA = -40°C to 125°C 12
Open-loop voltage gain AOL 102 115 dB VS = 1.8 V, (V-) + 0.05 V < VO < (V+), 0.05 V, RL = 10 kΩ to VS / 2 13
Open-loop voltage gain AOL 95 105 dB VS = 1.8 V, (V-) + 0.10 V < VO < (V+), 0.10 V, RL = 2 kΩ to VS / 2 13
Open-loop voltage gain AOL 109 125 dB VS = 5.5 V, (V-) + 0.10 V < VO < (V+), 0.10 V, RL = 10 kΩ to VS / 2 13
Open-loop voltage gain AOL 105 115 dB VS = 5.5 V, (V-) + 0.15 V < VO < (V+), 0.15 V, RL = 2 kΩ to VS / 2 13
Open-loop voltage gain AOL 90 100 dB VS = 1.8 V, (V-) + 0.05 V < VO < (V+), 0.05 V, RL = 10 kΩ to VS / 2, TA = -40°C to 125°C 13
Open-loop voltage gain AOL 80 102 dB VS = 3.3 V, (V-) + 0.25 V < VO < (V+), 0.25 V, IL = ±50 mA, TA = 25°C 13
Gain-bandwidth product GBW 3 MHz VS = 5.5 V, G = +1, RL = 10 kΩ, CL = 100 pF 13
Slew rate SR 3 V/μs VS = 5.5 V, G = +1, RL = 10 kΩ 13
Voltage output swing from positive rail VOH 0.75 9 mV VS = 5.5 V, RL = 10 kΩ to VS / 2 14
Voltage output swing from positive rail VOH 3.5 20 mV VS = 5.5 V, RL = 2 kΩ to VS / 2 14
Voltage output swing from positive rail VOH 2 11 mV VS = 1.8 V, RL = 10 kΩ to VS / 2 14
Voltage output swing from positive rail VOH 10 21 mV VS = 1.8 V, RL = 2 kΩ to VS / 2 14
Voltage output swing from negative rail VOL 0.75 10 mV VS = 5.5 V, RL = 10 kΩ to VS / 2 14
Voltage output swing from negative rail VOL 3.5 17.5 mV VS = 5.5 V, RL = 2 kΩ to VS / 2 14
Voltage output swing from negative rail VOL 1.2 10 mV VS = 1.8 V, RL = 10 kΩ to VS / 2 14
Voltage output swing from negative rail VOL 5.5 15 mV VS = 1.8 V, RL = 2 kΩ to VS / 2 14
Short-circuit current ISC 20 mA VS = 1.8 V 14
Short-circuit current ISC 110 mA VS = 5.5 V, OPA310 and OPA4310 14
Quiescent current per amplifier IQ 165 190 µA VS = 1.5 V, IO = 0 A 14
Quiescent current per amplifier IQ 165 210 µA VS = 1.5 V, IO = 0 A, TA = -40°C to 125°C 14
Quiescent current per amplifier IQ 165 200 µA VS = 5.5 V, IO = 0 A 14
Quiescent current per amplifier IQ 215 µA VS = 5.5 V, IO = 0 A, TA = -40°C to 125°C 14
Input voltage noise density eN 16 nV/√Hz f = 1 kHz 12
Phase margin PM 60 ° G = +1, RL = 10 kΩ connected to VS/2, CL = 10 pF 13

CAD (KiCad official)

  • Symbol: OPA310IDCKR
  • Footprint: Package_TO_SOT_SMD:SOT-353_SC-70-5
  • 3D model: SC-70-5 (KiCad packages3D, STEP)
  • 3D model files: opa310idckr-etched.step / opa310idckr-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); opa310idckr.step / opa310idckr.glb are the bare package body.

Provenance

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

  • Datasheet: TI datasheet (79 pp, sha256 f862309e9a66fa28, retrieved 2026-10-22, tier: lcsc)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-sonnet-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