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LF357N
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FabricanteSTMicroeletrônica
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Peça do Fabricante #LF357N
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Especificações
| Atributo | Valor |
| OperatingSupplyCurrent | 10 mA |
| MountingStyle | Through Hole |
| MinimumOperatingTemperature | 0 C |
| MaximumOperatingTemperature | + 70 C |
| Series | LF357 |
| Brand | STMicroelectronics |
| NumberofChannels | 1 Channel |
| ProductType | Op Amps - Operational Amplifiers |
| Subcategory | Amplifier ICs |
| ShippingRestrictions | Mouser does not presently sell this product in your region. |
| Package/Case | PDIP-8 |
| SupplyVoltage-Min | - 22 V |
| SupplyVoltage-Max | 22 V |
| Vos-InputOffsetVoltage | 10 mV |
| Product | Operational Amplifiers |
| GBP-GainBandwidthProduct | 20 MHz |
| SR-SlewRate | 50 V/us |
| CMRR-CommonModeRejectionRatio | 80 dB |
| Ib-InputBiasCurrent | 200 pA |
| en-InputVoltageNoiseDensity | 15 nV/sqrt Hz |
| Shutdown | No Shutdown |
| FactoryPackQuantity:FactoryPackQuantity | 50 |
| UnitWeight | 0.032805 oz |
| MaximumDualSupplyVoltage | +/- 22 V |
| OperatingSupplyVoltage | +/- 22 V |
| SupplyType | Dual |
| Pd-PowerDissipation | 570 mW |
| Technology | BiFET |
| VoltageGaindB | 106.02 dB |
Visão Geral
Description
LF357N consists of four independent, high-gain, internally frequency-compensated op-amps in a single package, enhancing design flexibility. Its input characteristics include low bias current and high input impedance, which minimize loading effects on preceding circuitry. Common applications include active filters, amplifiers, and summing circuits due to its ability to handle differential signals effectively.
Overall, LF357N's combination of precision and versatility makes it a popular choice for engineers seeking reliable performance in demanding electronic designs.
Equivalent
Features
1. Low Noise: Designed for applications requiring minimal noise interference.
2. Wide Bandwidth: Offers a gain-bandwidth product of approximately 1 MHz.
3. High Slew Rate: Around 0.7 V/µs, enabling fast signal processing.
4. Single or Dual Supply Operation: Can be powered with a single supply voltage (up to 36V) or dual supply configurations.
5. Low Input Bias Current: Typically 20 nA, making it suitable for high-impedance applications.
6. High Input Impedance: Approximately 10^6 ohms, reducing loading effects on preceding stages.
7. Temperature Range: Operates from -40°C to 85°C, ensuring reliability in various environments.
8. Package Options: Available in various formats, including DIP and surface-mount packages.
These features make the LF357N ideal for applications in audio equipment, signal conditioning, and instrumentation.
Pinout
Pin Functions:
1. 1 (Offset Null): Used for offset voltage adjustment.
2. 2 (Inverting Input - A): Inverting input for the first op-amp.
3. 3 (Non-inverting Input - A): Non-inverting input for the first op-amp.
4. 4 (Output - A): Output for the first op-amp.
5. 5 (Power Supply +V): Positive power supply voltage.
6. 6 (Output - B): Output for the second op-amp.
7. 7 (Non-inverting Input - B): Non-inverting input for the second op-amp.
8. 8 (Inverting Input - B): Inverting input for the second op-amp.
9. 9 (Offset Null): Used for offset voltage adjustment (for B).
10. 10 (Output - C): Output for the third op-amp.
11. 11 (Non-inverting Input - C): Non-inverting input for the third op-amp.
12. 12 (Inverting Input - C): Inverting input for the third op-amp.
13. 13 (Output - D): Output for the fourth op-amp.
14. 14 (Power Supply -V): Negative power supply voltage.
This configuration allows for versatile circuit designs in amplification, filtering, and signal processing.