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LF357J
LF357J Product Description: Operational Amplifier with Single AMP, Bipolar/JFET Technology, 8 Pin Ceramic DIP Package
LF357J
LF357J Product Description: Operational Amplifier with Single AMP, Bipolar/JFET Technology, 8 Pin Ceramic DIP Package
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Shipping & Payment
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Service & Packaging
Service & Packaging
About After Sales Service
All Parts Extended Quality Guarantee
Initiate the application within 90 days from the shipment date.
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LF357J DataSheet
Current price plan is under preparation. Please contact our customer service team for the latest pricing information. Thank you for your understanding and support!
Details
The LF357J is a high-performance operational amplifier manufactured by National Semiconductor. It is a high-speed, precision operational amplifier with a wide input voltage range and low input bias current, making it suitable for a variety of precision analog applications.The LF357J has a high slew rate of 50V/μs and a bandwidth of 12MHz, allowing for fast and accurate signal processing. It has a low input offset voltage of 0.5mV and a low input offset current of 10nA, ensuring precision performance in a wide range of applications.The LF357J is designed for use in applications requiring high input impedance, low noise, and good DC performance. It has a high CMRR (Common Mode Rejection Ratio) of 100dB and a high PSRR (Power Supply Rejection Ratio) of 120dB, making it ideal for precision instrumentation and measurement applications.The LF357J is housed in an 8-pin DIP (Dual Inline Package) and operates over a wide temperature range of -55°C to 125°C. It requires a dual power supply of ±15V to ±18V and consumes only 1.6mA of quiescent current.
Key Features
- High gain bandwidth product of 100MHz
- Low input offset voltage of 3mV
- Low input bias current of 250nA
- Low input noise voltage of 200nV/√Hz
- Operates with single or dual power supplies
- Low distortion and high slew rate
Application
- Instrumentation amplifiers
- Medical instrumentation
- Industrial process control
- Audio amplifiers
- Signal conditioning circuits
- Power supply control circuits
- Temperature sensing circuits
- Data acquisition systems
- Motor control systems
- Automotive electronics
Specifications
The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.
| Rohs Code | No | Part Life Cycle Code | Obsolete |
| Reach Compliance Code | ECCN Code | EAR99 | |
| HTS Code ! | 8542.33.00.01 | Amplifier Type | OPERATIONAL AMPLIFIER |
| Architecture | VOLTAGE-FEEDBACK | Average Bias Current-Max (IIB) | 0.0002 µA |
| Bias Current-Max (IIB) @25C | 0.0002 µA | Common-mode Reject Ratio-Min | 80 dB |
| Common-mode Reject Ratio-Nom | 100 dB | Frequency Compensation ! | YES (AVCL>=5) |
| Input Offset Voltage-Max | 10000 µV | JESD-30 Code | R-GDIP-T8 |
| JESD-609 Code | e0 | Length | 10.415 mm |
| Low-Bias | YES | Low-Offset | NO |
| Neg Supply Voltage Limit-Max | -18 V | Neg Supply Voltage-Nom (Vsup) | -15 V |
| Number of Functions | 1 | Number of Terminals | 8 |
| Operating Temperature-Max | 70 °C | Operating Temperature-Min | |
| Package Body Material | CERAMIC, GLASS-SEALED | Package Code | DIP |
| Package Equivalence Code | DIP8,.3 | Package Shape | RECTANGULAR |
| Package Style | IN-LINE | Power Supplies ! | +-15 V |
| Qualification Status ! | Not Qualified | Seated Height-Max | 5.08 mm |
| Slew Rate-Min | 30 V/us | Slew Rate-Nom | 50 V/us |
| Supply Current-Max | 10 mA | Supply Voltage Limit-Max | 18 V |
| Supply Voltage-Nom (Vsup) | 15 V | Surface Mount ! | NO |
| Technology | JFET | Temperature Grade ! | COMMERCIAL |
| Terminal Finish | TIN LEAD | Terminal Form ! | THROUGH-HOLE |
| Terminal Pitch ! | 2.54 mm | Terminal Position | DUAL |
| Unity Gain BW-Nom | 20000 | Voltage Gain-Min | 25000 |
| Width | 7.62 mm |
Datasheet PDF
Datasheets record the features, absolute maximum ratings, applications and more of the device, which benefit a lot as an overall guide to the specific application of the part.
FAQs
What is LF357J?
The LF357J is a high-performance, JFET input operational amplifier manufactured by Texas Instruments. It is designed for precision analog applications that require low input bias current, high input impedance, and low offset voltage.
How Does LF357J Work?
The LF357J operates as a high-precision operational amplifier with JFET input, providing excellent input characteristics and high impedance. It amplifies input signals with high accuracy and stability, making it suitable for precision instrumentation and measurement applications.
How Many Pins does LF357J have and What are the Functions of the Pinout Configuration?
The LF357J is housed in an 8-pin TO-8 metal can package. The pinout configuration includes:
- Offset Null: Pins for offset null adjustment.
- Non-Inverting Input (+IN): Non-inverting input pin.
- Inverting Input (-IN): Inverting input pin.
- Output: Output pin.
- Positive Power Supply (+V): Positive power supply pin.
- Negative Power Supply (-V): Negative power supply pin.
- No Connection (NC): Unused pin.
What are the Pros and Cons of LF357J?
Pros:
- High Accuracy: Provides precise amplification with low offset voltage.
- Low Input Bias Current: Suitable for high impedance circuits.
- High Input Impedance: Minimizes loading effects on the input signal.
- Wide Supply Voltage Range: Can operate with a wide range of supply voltages.
- Stable Performance: Offers stable operation over temperature variations.
Cons:
- Higher Cost: May be more expensive compared to general-purpose op-amps.
- Limited Bandwidth: May not be suitable for high-frequency applications.
- Package Size: The TO-8 metal can package may be larger and less space-efficient.
Are There Any Equivalents/Alternatives to LF357J for Recommendation?
- The TL071 from Texas Instruments is a general-purpose JFET input op-amp that can be an alternative to the LF357J.
- Alternatives to the LF357J include the OP07 from Analog Devices and the OPA627 from Texas Instruments.
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