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LF347DR
+BOM-
ManufacturerTexas Instruments
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Mfr. Part #LF347DR
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In Stock2304
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Specifications
| Attribute | Value |
| Package / Case | Tape & Reel (TR),Cut Tape (CT) |
| Part Status | Active |
| Amplifier Type | J-FET |
| Number of Circuits | 4 |
| Slew Rate | 13V/µs |
| Gain Bandwidth Product | 3 MHz |
| Current - Input Bias | 50 pA |
| Voltage - Input Offset | 5 mV |
| Supply Current | 8mA (x4 Channels) |
| Current - Output / Channel | 40 mA |
| Voltage - Supply Span(Min) | 7 V |
| Voltage - Supply Span(Max) | 36 V |
| Operating Temperature | 0°C ~ 70°C (TA) |
| Mounting Type | Surface Mount |
Overview
Description
The LF347DR is a quad operational amplifier from Texas Instruments, known for its high-speed and wide bandwidth capabilities. It features JFET-input transistors, which offer low input bias and offset currents, making it suitable for precision applications. This op-amp operates over a wide supply voltage range, typically from ±5V to ±15V, and is designed for applications requiring fast slew rates and high input impedance.
Key specifications of the LF347DR include a slew rate of about 13 V/µs, a gain-bandwidth product of approximately 4 MHz, and a high input impedance of around 10^12 ohms. It is housed in an SOIC-14 package, allowing for easy integration into various circuit designs. The LF347DR is often used in audio processing, signal conditioning, and active filtering applications due to its low noise and high performance.
Overall, the LF347DR is a versatile and reliable choice for designers needing a high-speed op-amp with precision input characteristics.
Key specifications of the LF347DR include a slew rate of about 13 V/µs, a gain-bandwidth product of approximately 4 MHz, and a high input impedance of around 10^12 ohms. It is housed in an SOIC-14 package, allowing for easy integration into various circuit designs. The LF347DR is often used in audio processing, signal conditioning, and active filtering applications due to its low noise and high performance.
Overall, the LF347DR is a versatile and reliable choice for designers needing a high-speed op-amp with precision input characteristics.
Equivalent
The LF347DR is a quad JFET-input operational amplifier. Equivalent products include TL074, TL084, and LF347N These op-amps offer similar specifications and can serve as alternatives in most applications needing JFET-input op-amps. Always verify specific parameters like voltage ratings and package type to ensure compatibility with your circuit requirements.
Features
The LF347DR is a quad JFET-input operational amplifier known for its high-speed performance and low input bias current. Key features include:
1. Quad Op-Amp Configuration: Integrates four independent op-amps in a single package, suitable for compact designs.
2. Low Input Bias Current: Offers very low input bias current, typically in the picoampere range, which is ideal for high-impedance sensor applications.
3. High Slew Rate: Exhibits a high slew rate of approximately 13 V/μs, making it suitable for high-speed applications.
4. Wide Bandwidth: Provides a wide gain bandwidth product, enhancing performance in high-frequency applications.
5. High Input Impedance: JFET inputs offer high input impedance, minimizing loading effects on signal sources.
6. Low Noise: Ensures low noise performance, beneficial for audio and precision signal processing.
7. Wide Supply Voltage Range: Operates over a wide range of supply voltages, enhancing versatility in various circuit designs.
These features make the LF347DR suitable for applications in audio processing, instrumentation, and active filters.
1. Quad Op-Amp Configuration: Integrates four independent op-amps in a single package, suitable for compact designs.
2. Low Input Bias Current: Offers very low input bias current, typically in the picoampere range, which is ideal for high-impedance sensor applications.
3. High Slew Rate: Exhibits a high slew rate of approximately 13 V/μs, making it suitable for high-speed applications.
4. Wide Bandwidth: Provides a wide gain bandwidth product, enhancing performance in high-frequency applications.
5. High Input Impedance: JFET inputs offer high input impedance, minimizing loading effects on signal sources.
6. Low Noise: Ensures low noise performance, beneficial for audio and precision signal processing.
7. Wide Supply Voltage Range: Operates over a wide range of supply voltages, enhancing versatility in various circuit designs.
These features make the LF347DR suitable for applications in audio processing, instrumentation, and active filters.
Pinout
The LF347DR is a quad operational amplifier IC with a total of 14 pins. It features four independent high-speed JFET-input operational amplifiers in a single package. The key functions of the LF347DR include performing various analog signal processing tasks such as amplification, filtering, and integration. Each op-amp in the package can be used independently or in combination for differential amplification or other complex signal processing applications.
Here's a brief description of the pin functions:
1. Power Supply Pins:
- V+ (Pin 4): Positive power supply.
- V- (Pin 11): Negative power supply.
2. Op-Amp A:
- Inverting Input (Pin 2)
- Non-Inverting Input (Pin 3)
- Output (Pin 1)
3. Op-Amp B:
- Inverting Input (Pin 6)
- Non-Inverting Input (Pin 5)
- Output (Pin 7)
4. Op-Amp C:
- Inverting Input (Pin 9)
- Non-Inverting Input (Pin 10)
- Output (Pin 8)
5. Op-Amp D:
- Inverting Input (Pin 13)
- Non-Inverting Input (Pin 12)
- Output (Pin 14)
The LF347DR is commonly used in audio processing, instrumentation, and other applications requiring precise and reliable analog signal manipulation.
Here's a brief description of the pin functions:
1. Power Supply Pins:
- V+ (Pin 4): Positive power supply.
- V- (Pin 11): Negative power supply.
2. Op-Amp A:
- Inverting Input (Pin 2)
- Non-Inverting Input (Pin 3)
- Output (Pin 1)
3. Op-Amp B:
- Inverting Input (Pin 6)
- Non-Inverting Input (Pin 5)
- Output (Pin 7)
4. Op-Amp C:
- Inverting Input (Pin 9)
- Non-Inverting Input (Pin 10)
- Output (Pin 8)
5. Op-Amp D:
- Inverting Input (Pin 13)
- Non-Inverting Input (Pin 12)
- Output (Pin 14)
The LF347DR is commonly used in audio processing, instrumentation, and other applications requiring precise and reliable analog signal manipulation.
Manufacturer
The LF347DR is a product manufactured by Texas Instruments (TI). Texas Instruments is a global semiconductor company that designs and produces a wide range of electronic components and systems. They are particularly well-known for their development of analog chips and embedded processors, having a significant role in the technology and electronics industries. TI serves various sectors, including automotive, industrial, personal electronics, communications equipment, and enterprise systems, providing solutions that enhance the performance and efficiency of electronic applications.
Application
The LF347DR is a JFET-input operational amplifier known for low input bias current and wide bandwidth. Its application areas include:
1. Audio Equipment: Used in preamplifiers and audio processing circuits due to low noise and distortion.
2. Instrumentation: Suitable for precision measurement devices requiring high input impedance.
3. Data Acquisition Systems: Utilized for signal conditioning due to its wide bandwidth.
4. Sensor Interfaces: Ideal for interfacing with high-impedance sensors.
5. Analog Signal Processing: Common in filters, integrators, and other analog circuits.
6. Medical Equipment: Employed in medical instruments for accurate signal amplification.
These applications benefit from the LF347DR's low noise, high speed, and stability.
1. Audio Equipment: Used in preamplifiers and audio processing circuits due to low noise and distortion.
2. Instrumentation: Suitable for precision measurement devices requiring high input impedance.
3. Data Acquisition Systems: Utilized for signal conditioning due to its wide bandwidth.
4. Sensor Interfaces: Ideal for interfacing with high-impedance sensors.
5. Analog Signal Processing: Common in filters, integrators, and other analog circuits.
6. Medical Equipment: Employed in medical instruments for accurate signal amplification.
These applications benefit from the LF347DR's low noise, high speed, and stability.
Package
The LF347DR is a surface-mount package type, specifically in the SOIC-14 configuration. SOIC stands for Small Outline Integrated Circuit, and the "14" indicates it has 14 pins.
