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Home > Technology List > TI Wide Bandwidth Dual JFET Input Operational Amplifier-LF353-N

TI Wide Bandwidth Dual JFET Input Operational Amplifier-LF353-N

Published time: 2019-12-20 13:38:45

TI Wide Bandwidth Dual JFET Input Operational Amplifier-LF353-N

The description of LF353-N 

The LF353-N is a Dual Package Input JFET Operational Amplifier. That is the input of these op-amp are connected through a high-voltage JFET making it suitable for low-noise, low-current and fast switching audio applications commonly used in Dual supply operation.

These devices are low cost, high speed, dual JFET input operational amplifiers with an internally trimmed input offset voltage (BI-FET II technology). 

They require low supply current yet maintain a large gain bandwidth product and fast slew rate. In addition, well matched high voltage JFET input devices provide very low input bias and offset currents. 

The LF353-N is pin compatible with the standard LM1558 allowing designers to immediately upgrade the overall performance of existing LM1558 and LM358 designs.

These amplifiers may be used in applications such as high speed integrators, fast D/A converters, sample and hold circuits and many other circuits requiring low input offset voltage, low input bias current, high input impedance, high slew rate and wide bandwidth. The devices also exhibit low noise and offset voltage drift.

The features of LF353-N 
• Internally Trimmed Offset Voltage: 10 mV
• Low Input Bias Current: 50pA 
• Low Input Noise Voltage: 25 nV/√Hz
• Low Input Noise Current: 0.01 pA/√Hz
• Wide Gain Bandwidth: 4 MHz
• High Slew Rate: 13 V/μs
• Low Supply Current: 3.6 mA
• High Input Impedance: 1012Ω
• Low Total Harmonic Distortion : ≤0.02%
• Low 1/f Noise Corner: 50 Hz
• Fast Settling Time to 0.01%: 2 μs

The Applications LF353-N

1.Low-noise Audio circuits
2.High-Input Impedance designs
3.Sample and Hold Circuit

4.High Speed Integrator

The Absolute Maximum Ratings of LF353-N 

Supply Voltage:±18V

Power Dissipation:See(3)
Operating Temperature Range:0°C to +70°C
Differential Input Voltage:±30V
Input Voltage Range(4):±15V
Output Short Circuit Duration:Continuous
Storage Temperature Range:−65°C to +150°C.
Tag: TI LF353-N


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