LT1220CS8

Instrumentation, Op Amps, Buffer Amps Overview

The LT1220CS8 is a high-speed operational amplifier featuring a 45MHz gain-bandwidth product and a 250V/ms slew rate. It offers a maximum input offset voltage of 1mV, a minimum DC gain of 20V/mV into a 500Ω load, and settles to 0.1% in 75ns for a 10V step. The device operates on supply voltages up to 36V total, draws 8mA of supply current, and utilizes an 8-lead SOIC package.

Instrumentation, Op Amps, Buffer Amps Feature Summary

• Unity-gain stable with proprietary C-Load technology for driving large capacitive loads
• Single gain stage architecture with enhanced DC precision circuitry
• Capable of direct coaxial cable driving without external compensation

Instrumentation, Op Amps, Buffer Amps Applications

• High-speed data acquisition systems
• Video and RF amplification circuits
• Active filters and wideband amplifiers
• Buffer and cable driver applications
• Current-to-voltage converters for DACs

Instrumentation, Op Amps, Buffer Amps Procurement Notes

Verify the specific suffix designation against the manufacturer's current portfolio, as legacy part numbers may have been superseded by updated revisions or alternative packages. Confirm RoHS compliance status and lead finish specifications directly with Analog Devices or authorized distributors prior to finalizing procurement orders.

Instrumentation, Op Amps, Buffer Amps Selection Notes

Select the LT1220CS8 when unity-gain stability and fast settling times are required alongside moderate bandwidth. For applications demanding higher bandwidth at gains of four or greater, consider the LT1221. If the design requires gains of ten or greater, the LT1222 provides increased bandwidth while maintaining similar speed characteristics.

Instrumentation, Op Amps, Buffer Amps Part Context

The LT1220 belongs to a family of fast, high-performance amplifiers utilizing advanced complementary bipolar processing. It serves as a foundational component for designs requiring superior DC performance combined with high-speed operation, bridging the gap between general-purpose amplifiers and specialized video drivers.

Instrumentation, Op Amps, Buffer Amps Replacement Considerations

The LT1221 is suitable for applications with gains of four or greater, offering increased bandwidth. The LT1222 is appropriate for gains of ten or greater. These devices share the same pinout and architectural features but differ in frequency compensation for specific closed-loop gain requirements.

Instrumentation, Op Amps, Buffer Amps FAQ

How does the LT1220 handle capacitive loading?

The LT1220 incorporates proprietary C-Load technology that senses the load-induced output pole and adds compensation at the amplifier gain node, allowing it to remain stable even when driving large capacitive loads.

What is the recommended feedback resistor value range?

Feedback resistors greater than 5kΩ are not recommended because they form a pole with the input capacitance, which can cause peaking or oscillations in the circuit response.