Texas Instruments

LF347D

LF347D Description

The LF347D is a high-performance operational amplifier (op-amp) designed and manufactured by Texas Instruments. This device features a JFET input stage, providing excellent input offset voltage and bias current characteristics. The LF347D is available in a 14-pin SOIC package and is suitable for a wide range of applications, including precision signal conditioning, filtering, and amplification.

LF347D Features

• Voltage - Supply Span (Min): 7 V - Voltage - Supply Span (Max): 36 V: The LF347D can operate over a wide supply voltage range, making it suitable for various power supply configurations.
• Gain Bandwidth Product: 3 MHz: This high gain bandwidth product allows for fast response times and high-frequency signal processing.
• Slew Rate: 13V/µs: The LF347D's high slew rate enables it to handle fast-changing input signals without distortion.
• Current - Input Bias: 50 pA: The low input bias current reduces power consumption and minimizes loading effects on the input signal source.
• Current - Supply: 8mA (x4 Channels): The LF347D consumes minimal power per channel, making it suitable for battery-powered applications.
• Current - Output / Channel: 40 mA: Each channel can provide a high output current, making it suitable for driving capacitive loads or high-current applications.
• Voltage - Input Offset: 5 mV: The low input offset voltage ensures accurate signal processing and minimizes the need for calibration.
• Operating Temperature: 0°C ~ 70°C (TA): The LF347D can operate over a wide temperature range, making it suitable for both indoor and outdoor applications.
• REACH Status: REACH Unaffected - RoHS Status: ROHS3 Compliant: The LF347D meets environmental regulations, making it suitable for use in environmentally conscious applications.
• Moisture Sensitivity Level (MSL): 1 (Unlimited): The LF347D is not sensitive to moisture, allowing for easier handling and storage.

LF347D Applications

The LF347D is ideal for a variety of applications, including:

1. Precision signal conditioning: Due to its low input offset voltage and bias current, the LF347D is well-suited for applications requiring high accuracy, such as sensor signal conditioning and data acquisition systems.
2. Filtering: The high gain bandwidth product and slew rate make the LF347D suitable for implementing high-performance filters, such as active filters and notch filters.
3. Amplification: The LF347D can be used in various amplification applications, including audio preamplifiers, instrumentation amplifiers, and general-purpose signal amplification.
4. Data acquisition systems: The LF347D's low input bias current and high slew rate make it suitable for use in data acquisition systems, where high accuracy and fast response times are required.

Conclusion of LF347D

The LF347D is a versatile and high-performance operational amplifier from Texas Instruments, offering a wide supply voltage range, low input bias current, and high gain bandwidth product. Its unique features, such as the JFET input stage and low input offset voltage, make it an excellent choice for precision signal conditioning, filtering, and amplification applications. The LF347D's compliance with environmental regulations and its wide operating temperature range further enhance its suitability for a variety of applications in the electronics industry.