BETASupply span6–36 V · total rail-to-rail span
Single JFET-input operational amplifier
TL081 Specifications
Review TL081 electrical specifications, operating conditions and package details.
Package view
Key specifications
A JFET input reduces source loading, while external negative feedback determines useful gain.
Typical gain-bandwidth4 MHz · specified ±15 V test
C-grade ambient0–70 °C
Typical slew rate16 V/µs · specified test
Package details
TL081CN · PDIP-8
| Property | Details |
|---|---|
| Manufacturer | STMicroelectronics |
| Part number | TL081CN |
| Package | PDIP-8 |
| Connections | 8 pins |
| Mounting | Through-hole |
| Lead pitch | 2.54 mm |
| Package code | dip |
| Thermal reference | Board and package dependent; see manufacturer data |
Operating conditions
ST TL081C grade
Manufacturer specifications 5 parameters
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| Parameter | Value | Conditions / notes |
|---|---|---|
| Total supply span | 6–36 V | V+ minus V− |
| Ambient temperature | 0 to +70°C | C-grade devices |
| Reference test supply | ±15 V | Used for electrical values unless stated |
| Common-mode range | ±11 V minimum; −12 to +15 V typical | ±15 V supply; see manufacturer conditions |
| Example input | 0.20 V | Relative to the 0 V midpoint |
No specifications match. Try a parameter name or a unit.
A typical range is not a guaranteed operating boundary. Use the specified minimum range for design margin.
DC characteristics
±15 V · 25°C · TL081C
Manufacturer specifications 5 parameters
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| Parameter | Value | Conditions / notes |
|---|---|---|
| Input offset voltage | 3 mV typical; 10 mV maximum | RS = 50 Ω |
| Input resistance | 1 TΩ typical | Manufacturer Ri characteristic |
| Input offset current | 5 pA typical; 100 pA maximum | Difference between input currents at 25°C |
| No-load supply current | 1.4 mA typical; 2.5 mA maximum | Per amplifier |
| Open-loop gain | 200 V/mV typical; 25 minimum | RL = 2 kΩ; VO = ±10 V |
No specifications match. Try a parameter name or a unit.
Bias leakage rises rapidly with temperature; room-temperature leakage values do not apply over the full range.
Output and dynamic characteristics
±15 V · specified tests
Manufacturer specifications 5 parameters
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| Parameter | Value | Conditions / notes |
|---|---|---|
| Output swing at RL = 10 kΩ | ±13.5 V typical; ±12 V minimum | 25°C |
| Output swing at RL = 2 kΩ | ±12 V typical; ±10 V minimum | 25°C |
| Gain-bandwidth product | 4 MHz typical; 2.5 MHz minimum | RL = 2 kΩ; CL = 100 pF; f = 100 kHz |
| Slew rate | 16 V/µs typical; 8 V/µs minimum | Unity gain; 10 V input step; RL = 2 kΩ; CL = 100 pF |
| Input noise density | 15 nV/√Hz typical | RS = 100 Ω; 1 kHz |
No specifications match. Try a parameter name or a unit.
Do not infer output current or stability from bandwidth alone.
Gain-of-ten example
Split-supply non-inverting stage
Manufacturer specifications 7 parameters
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| Parameter | Value | Conditions / notes |
|---|---|---|
| Power rails | +15 V / −15 V | Pins 7 and 4 |
| Input | 0.20 V | IN+ pin 3 |
| Feedback | 90 kΩ | OUT pin 6 to IN− pin 2 |
| Ground resistor | 10 kΩ | IN− pin 2 to 0 V |
| Ideal gain / output | 10 V/V / 2.00 V | 1 + 90 / 10 |
| Bypass | 100 nF per rail | Each rail to the 0 V midpoint |
| Trim and NC | Pins 1, 5, 8 open | No offset-trim network in this circuit |
No specifications match. Try a parameter name or a unit.
The meter is high impedance. Real output includes offset, noise and resistor errors.
Package and pin reference
TL081CN · PDIP-8
Manufacturer specifications 6 parameters
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| Parameter | Value | Conditions / notes |
|---|---|---|
| Pitch | 2.54 mm | Through-hole |
| Inputs | IN− 2; IN+ 3 | JFET differential pair |
| Output | 6 | Single analog channel |
| Power | V− 4; V+ 7 | 0 V is the external supply midpoint |
| Offset trim | 1 and 5 | Optional; consult the exact manufacturer circuit |
| No connection | 8 | Leave open |
No specifications match. Try a parameter name or a unit.
Do not confuse TL081’s single-amplifier pinout with the dual TL072 pinout.
Connections by function
Select a pin for its function, connection guidance and electrical notes.