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OPA388ID

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Texas Instruments Precision Op Amps, SOIC-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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OPA388ID

Texas Instruments · Precision Op Amps · SOIC-8

OPA388ID from Texas Instruments, in a SOIC-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 NC unconnected No internal connection; the pin can be left floating.
2 -IN input Inverting input of the amplifier.
3 +IN input Noninverting input of the amplifier.
4 V- power_in Negative (lowest) power supply; the single-supply operating range is 2.5 V to 5.5 V between V+ and V-.
5 NC unconnected No internal connection; the pin can be left floating.
6 OUT output Amplifier output; rail-to-rail output stage per the datasheet.
7 V+ power_in Positive (highest) power supply; the single-supply operating range is 2.5 V to 5.5 V between V+ and V-.
8 NC unconnected No internal connection; the pin can be left floating.

Key specifications

Parameter Value
Manufacturer Texas Instruments
Package SOIC-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
Supply voltage, single-supply (VS = (V+) – (V–)) VS 6 V Single-supply 6
Supply voltage, dual-supply (VS = (V+) – (V–)) VS 3 V Dual-supply 6
Signal input pins current 10 mA Signal input pins 6
Operating free-air temperature, TA TA -55 150 °C 6
Junction temperature, TJ TJ 150 °C 6
Storage temperature, Tstg Tstg -65 150 °C 6
Supply voltage, single-supply VS 2.5 5.5 V Single-supply 6
Supply voltage, dual-supply VS 1.25 2.75 V Dual-supply 6
Specified temperature -40 125 °C 6
Input offset voltage VOS -5 0.25 5 µV OPA388, OPA2388 7
Input offset voltage over temperature VOS -7.5 7.5 µV TA = –40°C to +125°C; OPA388, OPA2388 7
Input offset voltage drift dVOS/dT -0.05 0.005 0.05 µV/°C TA = –40°C to +125°C; OPA388, OPA2388 7
Power-supply rejection ratio PSRR -1 0.1 1 µV/V TA = –40°C to +125°C; OPA388, OPA2388 7
Input bias current IB -350 30 350 pA RIN = 100 kΩ; OPA388, OPA2388 8
Input bias current, TA = 0°C to +85°C IB -400 400 pA RIN = 100 kΩ, TA = 0°C to +85°C; OPA388, OPA2388 8
Input bias current, TA = –40°C to +125°C IB -700 700 pA RIN = 100 kΩ, TA = –40°C to +125°C; OPA388, OPA2388 8
Input offset current IOS -700 700 pA RIN = 100 kΩ; OPA388, OPA2388 8
Input offset current, TA = 0°C to +85°C IOS -800 800 pA RIN = 100 kΩ, TA = 0°C to +85°C; OPA388, OPA2388 8
Input offset current, TA = –40°C to +125°C IOS -800 800 pA RIN = 100 kΩ, TA = –40°C to +125°C; OPA388, OPA2388 8
Common-mode rejection ratio, VS = ±1.25 V CMRR 124 138 dB (V–) – 0.1 V < VCM < (V+) + 0.1 V; VS = ±1.25 V; OPA388, OPA2388 8
Common-mode rejection ratio, VS = ±2.75 V CMRR 124 140 dB (V–) – 0.1 V < VCM < (V+) + 0.1 V; VS = ±2.75 V 8
Common-mode rejection ratio, VS = ±1.25 V, over temperature CMRR 114 134 dB (V–) < VCM < (V+) + 0.1 V; TA = –40°C to +125°C; VS = ±1.25 V; OPA388, OPA2388 8
Common-mode rejection ratio, VS = ±2.75 V, over temperature CMRR 124 140 dB (V–) – 0.05 V < VCM < (V+) + 0.1 V; TA = –40°C to +125°C; VS = ±2.75 V 8
Open-loop voltage gain, RLOAD = 10 kΩ AOL 126 148 dB (V–) + 0.15 V < VO < (V+) – 0.15 V; RLOAD = 10 kΩ 9
Open-loop voltage gain, RLOAD = 10 kΩ, over temperature AOL 120 126 dB (V–) + 0.15 V < VO < (V+) – 0.15 V; RLOAD = 10 kΩ; TA = –40°C to +125°C; OPA388, OPA2388 9
Open-loop voltage gain, RLOAD = 2 kΩ, 0.25 V margin AOL 126 148 dB (V–) + 0.25 V < VO < (V+) – 0.25 V; RLOAD = 2 kΩ 9
Open-loop voltage gain, RLOAD = 2 kΩ, 0.30 V margin AOL 120 148 dB (V–) + 0.30 V < VO < (V+) – 0.30 V; RLOAD = 2 kΩ; OPA388, OPA2388 9
Voltage output swing from positive rail, no load VO 1 15 mV No load 9
Voltage output swing from positive rail, RLOAD = 10 kΩ VO 5 20 mV RLOAD = 10 kΩ 9
Voltage output swing from positive rail, RLOAD = 2 kΩ VO 20 50 mV RLOAD = 2 kΩ 9
Voltage output swing from negative rail, no load VO 5 15 mV No load 9
Voltage output swing from negative rail, RLOAD = 10 kΩ VO 10 20 mV RLOAD = 10 kΩ 9
Voltage output swing from negative rail, RLOAD = 2 kΩ VO 40 60 mV RLOAD = 2 kΩ 9
Voltage output swing from rail, both rails, over temperature VO 10 25 mV TA = –40°C to +125°C, both rails, RLOAD = 10 kΩ 9
Short-circuit current, VS = 5.5 V ISC -60 60 mA VS = 5.5 V 9
Short-circuit current, VS = 2.5 V ISC -30 30 mA VS = 2.5 V 9
Quiescent current per amplifier, VS = 2.5 V IQ 1.7 2.4 mA VS = ±1.25 V (VS = 2.5 V); IO = 0 A 9
Quiescent current per amplifier, VS = 2.5 V, over temperature IQ 1.7 2.4 mA VS = ±1.25 V (VS = 2.5 V); TA = –40°C to +125°C, IO = 0 A 9
Quiescent current per amplifier, VS = 5.5 V IQ 1.9 2.6 mA VS = ±2.75 V (VS = 5.5 V); IO = 0 A 9
Quiescent current per amplifier, VS = 5.5 V, over temperature IQ 1.9 2.6 mA VS = ±2.75 V (VS = 5.5 V); TA = –40°C to +125°C, IO = 0 A 9
Junction-to-ambient thermal resistance RθJA 116 °C/W D (SOIC), 8 pins 6
Junction-to-case (top) thermal resistance RθJC(top) 60 °C/W D (SOIC), 8 pins 6
Junction-to-board thermal resistance RθJB 56 °C/W D (SOIC), 8 pins 6
Junction-to-top characterization parameter ΨJT 12.8 °C/W D (SOIC), 8 pins 6
Junction-to-board characterization parameter ΨJB 55.9 °C/W D (SOIC), 8 pins 6

CAD (KiCad official)

  • Symbol: OPA388ID
  • Footprint: Package_SO:SOIC-8_3.9x4.9mm_P1.27mm
  • 3D model: SOIC-8 (KiCad packages3D, STEP)
  • 3D model files: opa388id-etched.step / opa388id-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); opa388id.step / opa388id.glb are the bare package body.

Provenance

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

  • Datasheet: Texas Instruments datasheet (50 pp, sha256 bfaa584834295abb, retrieved 2026-10-12, tier: manufacturer)
  • 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