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OPA994IDR

Public Made by Adom

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

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Symbol & Footprint

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Contents

README

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OPA994IDR

Texas Instruments · Operational Amplifier · SOIC-8

OPA994IDR 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; do not connect.
2 IN- input Inverting input of the amplifier.
3 IN+ input Noninverting input of the amplifier.
4 V- power_in Negative (lowest) power supply.
5 NC unconnected No internal connection; do not connect.
6 OUT output Amplifier output.
7 V+ power_in Positive (highest) power supply; supply voltage range 2.7V to 32V total across V+ and V-.
8 NC unconnected No internal connection; do not connect.

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 (abs max) VS 0 33 V VS = (V+), (V-) 5
Input common-mode voltage (abs max) -0.5 0.5 V Relative to (V-), 0.5 and (V+) + 0.5; signal input pins 5
Input differential voltage (abs max) -10 10 V Signal input pins 5
Input current (abs max) -10 10 mA Signal input pins 5
Junction temperature TJ 150 °C 5
Storage temperature Tstg -65 150 °C 5
ESD HBM V(ESD) -4000 4000 V Human-body model, ANSI/ESDA/JEDEC JS-001 5
ESD CDM V(ESD) -1500 1500 V Charged-device model, ANSI/ESDA/JEDEC JS-002 5
Supply voltage VS 2.7 32 V (V+), (V-) 5
Common mode voltage range VI -0.1 0.1 V Relative to (V-), 0.1 and (V+) + 0.1 5
Specified temperature TA -40 125 °C 5
Junction-to-ambient thermal resistance RθJA 133.5 °C/W D (SOIC) 8 pins, single channel 6
Junction-to-case (top) thermal resistance RθJC(top) 75.8 °C/W D (SOIC) 8 pins 6
Junction-to-board thermal resistance RθJB 76.9 °C/W D (SOIC) 8 pins 6
Junction-to-top characterization parameter ψJT 26.4 °C/W D (SOIC) 8 pins 6
Junction-to-board characterization parameter ψJB 76.2 °C/W D (SOIC) 8 pins 6
Input offset voltage VOS 0.35 2.3 mV VCM = V-, TA = 25°C (typ ±0.35, max ±2.3) 7
Input offset voltage over temperature VOS 3.3 mV VCM = V-, TA = -40°C to 125°C (±3.3) 7
Input offset voltage drift dVOS/dT 2.5 µV/℃ VCM = V-, TA = -40°C to 125°C (±2.5) 7
PSRR PSRR 3.5 22 μV/V VCM = V-, VS = 5V to 32V, TA = -40°C to 125°C (±3.5 typ, ±22 max) 7
PSRR PSRR 60 μV/V VCM = V-, VS = 2.7V to 32V, TA = -40°C to 125°C (±60, characterization only) 7
Input bias current IB 400 1500 nA ±400 typ, ±1500 max 7
Input offset current IOS 7 nA ±7 7
Common-mode input voltage range VCM -0.1 0.1 V (V-), 0.1 to (V+) + 0.1 7
Common-mode rejection ratio CMRR 109 125 dB VS = 32V, V- < VCM < (V+), 2V (Main Input Pair), TA = -40°C to 125°C 7
Common-mode rejection ratio CMRR 93 111 dB VS = 5V, V- < VCM < (V+), 2V (Main Input Pair), TA = -40°C to 125°C, characterization only 7
Common-mode rejection ratio CMRR 114 dB VS = 2.7V, V- < VCM < (V+), 2V (Main Input Pair), TA = -40°C to 125°C 7
Common-mode rejection ratio (aux pair) CMRR 77 dB VS = 2.7, 32V, (V+), 1V < VCM < V+ (Aux Input Pair), TA = -40°C to 125°C 7
Open-loop voltage gain AOL 80 87 dB VS = 32V, VCM = VS / 2, (V-) + 1V < VO < (V+), 1V 7
Open-loop voltage gain AOL 75 80 dB VS = 5V, VCM = VS / 2, (V-) + 1V < VO < (V+), 1V 7
Gain-bandwidth product GBW 24 MHz 8
Slew rate SR 35 V/μs VS = 32V, VSTEP = 10V, G = +1, CL = 20pF 8
Phase margin 50 ° G = +1, RL = 10kΩ, CL = 20pF 8
Voltage output swing from rail 58 68 mV VS = 32V, RL = 10kΩ 8
Voltage output swing from rail 117 137 mV VS = 32V, RL = 2kΩ 8
Voltage output swing from rail 45 52 mV VS = 5V, RL = 10kΩ 8
Voltage output swing from rail 25 60 mV VS = 5V, RL = 2kΩ 8
Voltage output swing from rail 42 48 mV VS = 2.7V, RL = 10kΩ 8
Voltage output swing from rail 45 54 mV VS = 2.7V, RL = 2kΩ 8
Short-circuit current ISC 62 125 mA VS = 32V (±62 min, ±125 typ) 8
Short-circuit current ISC 50 85 mA VS = 5V (±50 min, ±85 typ), characterization only 8
Short-circuit current ISC 30 60 mA VS = 2.7V (±30 min, ±60 typ), characterization only 8
Quiescent current per amplifier IQ 1.35 1.93 mA VCM = V-, IO = 0A 8
Quiescent current per amplifier over temperature IQ 2.23 mA VCM = V-, IO = 0A, TA = -40°C to 125°C 8

CAD (KiCad official)

  • Symbol: OPA994IDR
  • Footprint: Package_SO:SOIC-8_3.9x4.9mm_P1.27mm
  • 3D model: SOIC-8 (KiCad packages3D, STEP)
  • 3D model files: opa994idr-etched.step / opa994idr-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); opa994idr.step / opa994idr.glb are the bare package body.

Provenance

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

  • Datasheet: Texas Instruments datasheet (51 pp, sha256 979123939a7861f7, retrieved 2026-10-23, tier: manufacturer)
  • 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