TL081IDG4 Texas Instruments Integrated Circuit (Small Outline Packages) In Stock
The TL081IDG4 is a single general-purpose JFET-input operational amplifier from Texas Instruments with ±18V supply range, 0.0002 µA typical input bias current, 86 dB typical CMRR, and 8-pin SOIC package for low-noise signal conditioning. Available in stock with worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- Small Outline Packages
- Pin Count
- 8
- Lifecycle
- OBSOLETE
- Datasheet
- TL081IDG4 Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $0.3040(MOQ 1)
- Temp Range
- -40.0°C to 85.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- Single JFET-input op-amp with ultra-low bias current (0.0002 µA typical)
- Wide supply voltage range: ±2.25V to ±18V
- High input impedance for interfacing with high-source-impedance sensors
- 86 dB typical CMRR for excellent noise rejection
- Internally frequency compensated for unity-gain stability
- 8-pin SOIC package for surface-mount PCB designs
Applications
The TL081IDG4 is used in instrumentation amplifiers, active filters, and integrators where low input bias current and high input impedance are critical. It is widely applied in pH meter front ends, sample-and-hold circuits, and audio preamplifiers in industrial and consumer electronics designs.
Specifications
| YTEOL | 0 |
| Amplifier Type | OPERATIONAL AMPLIFIER |
| Architecture | VOLTAGE-FEEDBACK |
| Average Bias Current-Max (IIB) | 0.02 µA |
| Bias Current-Max (IIB) @25C | 0.0002 µA |
| Common-mode Reject Ratio-Min | 75dB |
| Common-mode Reject Ratio-Nom | 86dB |
| Frequency Compensation | YES |
| Input Offset Current-Max (IIO) | 0.01 µA |
| Input Offset Voltage-Max | 9000 µV |
| JESD-30 Code | R-PDSO-G8 |
| JESD-609 Code | e4 |
| Low-Bias | YES |
| Low-Offset | NO |
| Micropower | NO |
| Neg Supply Voltage Limit-Max | -18 V |
| Neg Supply Voltage-Nom (Vsup) | -15 V |
| Number of Functions | 1 |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | SOP8,.25 |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE |
| Packing Method | TUBE |
| Peak Reflow Temperature (Cel) | 260 |
| Power | YES |
| Programmable Power | NO |
| Qualification Status | Not Qualified |
| Slew Rate-Min | 8V/us |
| Slew Rate-Nom | 13V/us |
| Supply Current-Max | 2.8mA |
| Supply Voltage Limit-Max | 18V |
| Supply Voltage-Nom (Vsup) | 15V |
| Surface Mount | YES |
| Technology | BIPOLAR |
| Temperature Grade | INDUSTRIAL |
| Terminal Finish | NICKEL PALLADIUM GOLD |
| Terminal Form | GULL WING |
| Terminal Pitch | 1.27mm |
| Terminal Position | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 30 |
| Unity Gain BW-Nom | 3000 |
| Voltage Gain-Min | 25000 |
| Wideband | NO |
| Package | Small Outline Packages |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 1 |
| ECCN | EAR99 |
| HTS Code | 8542.33.00.01 |
Alternate & Equivalent Parts
Compatible alternatives and drop-in replacements for TL081IDG4:
Frequently Asked Questions
What is the input bias current of the TL081IDG4?
The TL081IDG4 has a typical input bias current of 0.0002 µA (200 pA) and a maximum of 0.02 µA due to its JFET input stage, making it suitable for high-impedance source applications such as pH electrodes and charge amplifiers.
What supply voltage does the TL081IDG4 operate on?
The TL081IDG4 operates from dual supplies ranging from ±2.25V to ±18V, allowing it to be used in a wide range of analog signal chain designs including ±15V industrial systems.
What is the CMRR of the TL081IDG4?
The TL081IDG4 has a minimum CMRR of 75 dB and a typical CMRR of 86 dB, which is sufficient for rejecting common-mode noise in single-ended and differential measurement applications.
What package does the TL081IDG4 come in?
The TL081IDG4 comes in an 8-pin SOIC (Small Outline Integrated Circuit) package. The G4 suffix denotes a tube packaging option for manual or automated SMT pick-and-place assembly.
Related Guides
TPS54160DGQR Selection Guide: How to Choose a 60V Step-Down Buck Converter
Complete selection guide for the TPS54160DGQR 60V/1.5A step-down converter. Compare specs, alternatives, and sourcing options for industrial and automotive designs.
May 20, 2026
LMV932MM Dual Low-Voltage CMOS Op-Amp: Application Design Guide
Complete application design guide for the LMV932MM dual rail-to-rail CMOS op-amp: supply decoupling, RRIO design rules, stability, and recommended circuits for 1.8V–5.5V battery-powered systems.
May 20, 2026
TL084CN Equivalent and Replacements: JFET-Input Quad Op-Amp Comparison Guide
Compare TL084CN with TL074, LF347, and LM324 quad op-amps. Pin-compatible equivalents, key specs, and when to choose each for your analog design.
May 20, 2026
TPS386000RGPR Quad Voltage Supervisor: Selection and Sourcing Guide (2025)
Compare TPS386000RGPR with TPS386040RGPR, TPS3700, and TPS3823 voltage supervisors. Key specs, threshold programming, watchdog options, and sourcing tips.
May 20, 2026
Why Buy from FindMyChip
About Texas Instruments
Texas Instruments (TI) is a global semiconductor company headquartered in Dallas, Texas. TI designs and manufactures analog and embedded processing chips used in industrial, automotive, consumer, communications, and enterprise systems.
More from Texas Instruments
| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1+ | $0.4560 | $0.46 |
| 12+ | $0.3800 | $4.56 |
| 54+ | $0.3040 | $16.42 |
In Stock · 24h Response · Worldwide Shipping
Response within 24 hours · Worldwide shipping
“Response time is incredible — usually under 4 hours. They understand that production lines can't wait.”