JFET-Input Operational Amplifiers Low Supply Current High Speed The LF355 is a JFET input operational amplifier manufactured by National Semiconductor (NS). Below are the factual specifications, descriptions, and features from Ic-phoenix technical data files:
### **Specifications:**
- **Supply Voltage Range:** ±5V to ±18V
- **Input Offset Voltage:** 3 mV (max)
- **Input Bias Current:** 30 pA (typ)
- **Input Offset Current:** 3 pA (typ)
- **Input Resistance:** 10^12 Ω (typ)
- **Large Signal Voltage Gain:** 200 V/mV (min)
- **Slew Rate:** 5 V/µs (typ)
- **Gain Bandwidth Product:** 3 MHz (typ)
- **Common Mode Rejection Ratio (CMRR):** 100 dB (typ)
- **Power Supply Rejection Ratio (PSRR):** 100 dB (typ)
- **Operating Temperature Range:** -25°C to +85°C
### **Descriptions:**
- The LF355 is a high-speed JFET-input operational amplifier with low input bias current and offset current.
- It is designed for applications requiring high input impedance, fast response, and low noise.
- The device is internally compensated for unity-gain stability.
### **Features:**
- **JFET Input:** Provides very high input impedance and low input bias current.
- **Low Noise:** Suitable for precision applications.
- **Wide Bandwidth:** 3 MHz gain-bandwidth product.
- **High Slew Rate:** 5 V/µs enables fast signal processing.
- **Low Power Consumption:** Operates efficiently over a wide supply range.
- **Internally Compensated:** No external compensation required for stability.
This information is based on the manufacturer's datasheet for the LF355 by National Semiconductor.
