The LF156H/883B is a wide bandwidth JFET-input operational amplifier manufactured by National Semiconductor, now a part of Texas Instruments (TI). It is designed for applications requiring high input impedance, low input bias current, and high slew rate. The "/883B" designation indicates that it is a military-grade component, meeting stringent performance and reliability standards.
Applications
- High-speed integrators
- Fast D/A converters
- Sample-and-hold circuits
- Audio preamplifiers
- Instrumentation amplifiers
Features
- Wide bandwidth: Typically 5 MHz
- High slew rate: Typically 10 V/µs
- Low input bias current: Typically 30 pA
- High input impedance: Typically 10^12 Ω
- Low input noise voltage
- Military-grade processing (/883B)
Benefits
- Accurate signal amplification and processing
- Minimal signal distortion due to high slew rate
- Reduced loading effects on input sources
- High reliability in harsh environments (military-grade)
- Improved signal-to-noise ratio
Technical Specifications
The LF156H/883B operates with a supply voltage range of ±5V to ±18V. It has a typical input offset voltage of 3 mV and a common-mode rejection ratio (CMRR) of 80 dB. The operating temperature range is -55°C to +125°C. The device is available in a hermetically sealed package to ensure high reliability.
This operational amplifier is well-suited for demanding applications that require high performance and reliability. Its military-grade processing ensures consistent performance in harsh environments, making it a preferred choice for aerospace, defense, and other critical applications.