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The LT1793AIS creates a new standard of superior noise performance for JFET op amps. With both low voltage noise (6nV/√Hz) and very low current noise (0.8fA/√Hz), it provides the lowest total noise for high impedance transducer applications. Unlike most JFET op amps, the LT1793 maintains a very low input bias current (3pA typical) over the entire common-mode range, which results in an extremely high input resistance (1013Ω). When combined with a very low input capacitance (1.5pF), this produces an extremely high input impedance, making the LT1793 preferable for amplifying low-level signals from high-impedance transducers. In addition, the low input capacitance ensures high gain linearity when buffering AC signals from high impedance transducers.

For gain values of 1 or greater, the LT1793 is unconditionally stable, even with capacitive loads of 1000pF. Other key features of the device include a 250μV VOS and a voltage gain in excess of 4,000,000. Each individual amplifier is 100% fully tested for voltage noise, slew rate (3.4V/μs) and gain-bandwidth product (4.2MHz).

Benefits and Features

Input bias current, warm-up: 10pA (max)

100% fully tested low voltage noise: 8nV/√Hz (max)

Class A devices are 100% temperature tested

Out-of-range voltage over full temperature range: 1mV (max)

Input resistance: 1013Ω

Very low input capacitance: 1.5pF

Voltage Gain: 1,000,000 (min)

Gain-bandwidth product: 4.2MHz (typical)

Provides guaranteed specifications with ±5V power supply

Product Applications

Photocurrent amplifiers

Hydrophone amplifiers

High-sensitivity piezoelectric accelerometers

Low voltage and current noise instrumentation amplifier front ends

Two and three op-amp instrumentation amplifiers

Active filters

• 1.Is the inventory and price seen on the platform accurate?

  A: all online goods on the shelves can be ordered online, but considering the large liquidity of spot inventory, it is not possible to achieve 100% accuracy at present. In case of any abnormality, you can contact our company online and give the corresponding solution.

• 2.Are all our products genuine?

  A: our self-supporting products are from cooperative domestic and foreign original factories or authorized agents, and the source can be traced to ensure the original and authentic products.

• 3.Can you provide the qualification certificate of the original factory or agent?

  A: at present, our self-employed brands TI，ST，ADI，NXP，LATTICE，CYPRESS，INFINEON，XILINX and other first-line brands. Other channels are the original factory and agency channels. If necessary, we can communicate and confirm according to the specific brand and model.

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• 5.When can I deliver the goods after placing an order? How long will it take to get there?

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• 6.Can the company issue an invoice?

  A: you can issue ordinary invoices for individual users or special VAT invoices for enterprise users.