BETAExample rails±15 V · split supply
Single bipolar operational amplifier
LM741 Specifications
Review LM741 electrical specifications, operating conditions and package details.
Key specifications
Use the signal midpoint and two supply rails correctly. The output cannot reach either rail.
Amplifiers1 Eight-pin package
LM741C ambient0–70 °C
Typical slew rate0.5 V/µs · unity gain, 25°C
Package details
LM741CN/NOPB · PDIP-8
| Property | Details |
|---|---|
| Manufacturer | Texas Instruments |
| Part number | LM741CN/NOPB |
| 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
Commercial LM741C reference
Manufacturer specifications 5 parameters
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| Parameter | Value | Conditions / notes |
|---|---|---|
| Recommended split supply | ±10 to ±18 V | TI operating table; ±15 V nominal |
| Ambient temperature | 0 to +70°C | LM741C grade |
| Example rails | +15 V / −15 V | 30 V total span; midpoint is 0 V |
| Input common-mode range | ±12 V minimum; ±13 V typical | ±15 V supply; 25°C |
| Local bypass | 100 nF from each rail to midpoint | Short paths near pins 7 and 4 |
No specifications match. Try a parameter name or a unit.
Do not substitute military-grade limits or assume modern rail-to-rail operation.
DC characteristics
LM741C · ±15 V · 25°C unless stated
Manufacturer specifications 5 parameters
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| Parameter | Value | Conditions / notes |
|---|---|---|
| Input offset | 2 mV typical; 6 mV maximum | RS ≤ 10 kΩ |
| Input bias current | 80 nA typical; 500 nA maximum | Magnitude; specified test conditions |
| Input offset current | 20 nA typical; 200 nA maximum | Difference between the input currents |
| Supply current | 1.7 mA typical; 2.8 mA maximum | No external output load |
| Open-loop gain | 200 V/mV typical; 20 minimum | VO = ±10 V; RL ≥ 2 kΩ |
No specifications match. Try a parameter name or a unit.
Input offset is multiplied by the closed-loop noise gain. Bias-current errors depend on the source resistances.
Output and dynamic limits
Specified test conditions
Manufacturer specifications 5 parameters
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| Parameter | Value | Conditions / notes |
|---|---|---|
| Output swing, RL ≥ 10 kΩ | ±14 V typical; ±12 V minimum | ±15 V supply |
| Output swing, RL ≥ 2 kΩ | ±13 V typical; ±10 V minimum | ±15 V supply |
| Slew rate | 0.5 V/µs typical | 25°C; unity gain |
| Small-signal rise time | 0.3 µs typical | 25°C; unity gain |
| Large sine-wave requirement | SR ≥ 2π f VPEAK | Engineering design relation, not a new device rating |
No specifications match. Try a parameter name or a unit.
Load, amplitude and frequency matter together. A slow DC example does not establish high-frequency performance.
Gain-of-ten example
Non-inverting connection
Manufacturer specifications 7 parameters
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| Parameter | Value | Conditions / notes |
|---|---|---|
| VIN | 0.20 V | Pin 3, referenced to 0 V |
| Rf | 90 kΩ | Pin 6 to pin 2 |
| Rg | 10 kΩ | Pin 2 to 0 V |
| Nominal gain | 10 V/V | 1 + Rf / Rg |
| Ideal output | 2.00 V | 0.20 V × 10 |
| Feedback node | 0.20 V nominal | Output divided by ten |
| Null pins / NC | 1, 5 and 8 left open | Optional trim is not used |
No specifications match. Try a parameter name or a unit.
An illustrative light-load DC example; it is not a precision or rail-to-rail claim.
Package and connection reference
LM741CN/NOPB · PDIP-8
Manufacturer specifications 6 parameters
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| Parameter | Value | Conditions / notes |
|---|---|---|
| Lead pitch | 2.54 mm | Through-hole |
| Inputs | IN− 2; IN+ 3 | Differential signal pair |
| Output | 6 | Amplifier output |
| Power | V− 4; V+ 7 | Both rails are required for this circuit |
| Offset adjustment | 1 and 5 | See manufacturer trim circuit |
| No connection | 8 | Leave open |
No specifications match. Try a parameter name or a unit.
PDIP top view; orient the notch before counting pins.
Connections by function
Select a pin for its function, connection guidance and electrical notes.