Overview
The LF347BN is a high-performance, JFET-input operational amplifier manufactured by Texas Instruments. It belongs to the category of analog integrated circuits and is widely used in applications requiring low noise, high input impedance, and wide bandwidth. The LF347BN is designed for precision signal processing and is suitable for audio, instrumentation, and industrial control systems. Its market positioning targets engineers and designers seeking reliable and cost-effective solutions for analog signal conditioning. The LF347BN stands out for its low input bias current, low offset voltage, and high slew rate, making it a competitive choice in its class.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Supply Voltage | ±18 | V | Maximum |
| Input Bias Current | 50 | pA | Typical |
| Input Offset Voltage | 5 | mV | Maximum |
| Slew Rate | 13 | V/µs | Typical |
| Gain Bandwidth Product | 4 | MHz | Typical |
| Operating Temperature Range | 0 to 70 | °C | Commercial grade |
| Package | PDIP-14 | - | Plastic Dual In-Line |
Key Features
- Low input bias current for precision applications.
- High input impedance minimizes loading effects.
- Wide bandwidth and high slew rate for fast signal processing.
- Low noise performance suitable for audio and instrumentation.
- Robust design for reliable operation in industrial environments.
Applications
The LF347BN is commonly used in audio amplifiers, active filters, and signal conditioning circuits. Its high input impedance and low noise make it ideal for precision instrumentation and measurement systems. Additionally, it is employed in industrial control systems for its reliability and performance in harsh environments. The LF347BN is also suitable for medical equipment, where low noise and high accuracy are critical.
Q & A
1. What is the maximum supply voltage for the LF347BN?
The maximum supply voltage is ±18V.
2. What is the typical input bias current?
The typical input bias current is 50 pA.
3. What is the slew rate of the LF347BN?
The typical slew rate is 13 V/µs.
4. What is the gain bandwidth product?
The gain bandwidth product is 4 MHz.
5. What package does the LF347BN come in?
It comes in a PDIP-14 package.
6. Is the LF347BN suitable for audio applications?
Yes, its low noise and high input impedance make it ideal for audio applications.
7. Can the LF347BN operate in industrial environments?
Yes, its robust design ensures reliable operation in industrial environments.
8. What is the input offset voltage?
The maximum input offset voltage is 5 mV.
9. Is the LF347BN suitable for medical equipment?
Yes, its low noise and high accuracy make it suitable for medical applications.
10. What is the operating temperature range?
The operating temperature range is 0 to 70°C.
