LF353 Dual BiFET Op Amp

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The LF353 is a Dual BiFET operational amplifier. The IC is constructed using the state of the art analog electronic technologies, laid out on a single monolithic integrated circuit. The IC is always available in an 8 – pin hermetically sealed SO-8 dual in line packaging (DIP). LF353 op-amp is available only in dual operational configuration. The IC offers a wide variety of features such as high noise immunity, excellent thermals, and ESD protection.

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BiFET Operational Amplifier

BiFET (Bi – directional field effect transistor) operational amplifier is a simple electronic configuration that boosts up a voltage of lower strength to a higher level. Operational amplifiers are usually designed to be used with external feedback components such as resistors and capacitors. Operational amplifiers are commonly used in devices such as home theatre systems, VCRs, PCs, Laptops, etc.

LF353 Pinout

LF353 Pin Configuration

Pin No	Pin Name	Description
1	OUTPUT A	Output Pin Of Amplifier A
2	INPUT 1	Input Pin 1 Of Amplifier 1
3	INPUT 2	Input Pin 2 Of Amplifier 1
4	VEE	Emitter Supply Voltage
5	INPUT 1	Input Pin 1 Of Amplifier 2
6	INPUT 2	Input Pin 2 Of Amplifier 2
7	OUTPUT B	Output Pin Of Amplifier B
8	VCC	Collector Supply Voltage

LF353 Features and Specification

Low Input Bias Current: 50 pA
Low Input Noise Voltage: 16 nV/ Hz
Wide Gain Bandwidth: 4.0 MHz
High Slew Rate: 13V/µs
Low Supply Current: 1.8 mA per Amplifier
High Input Impedance: 10

Applications

Used in audio automotive designs such as car stereos, radios & Hi-Fi audio setups.
Widely used in sound systems such as speakers, high power megaphones, & large scale acoustic systems.
An integral part of entertainment systems such as a home theatre setups.