EL2257CN-02

Overview

The EL2257CN-02 is a single-supply clamping operational amplifier manufactured by Elantec Semiconductor. It features a -3 dB bandwidth of 125 MHz and a slew rate of 275 V/µs, designed for video-speed applications. The device operates on +3V, +5V, or ±5V supplies with a low supply current of 5 mA. Key electrical parameters include a maximum offset voltage of 4 mV, an output current capability of ±100 mA, and an open-loop gain of 80 dB. Differential gain and phase are specified at 0.05% and 0.05° respectively.

Feature Summary

• Features power-down capability reducing supply current to 0 µA
• Output voltage clamps to prevent signal saturation
• Large input common-mode range extending from 0V to VS - 1.2V
• Output swings to ground without saturating

Applications

• Video amplifiers
• PCMCIA applications
• A/D drivers
• Line drivers
• High-speed communications

Procurement Notes

Verify the specific suffix '-02' against official Elantec or Intersil documentation, as standard datasheets typically list variants like EL2257CN or EL2257CS. Confirm package type and temperature rating details directly with the manufacturer or authorized distributors to ensure compatibility with design requirements.

Selection Notes

Select this component for high-bandwidth single-supply applications requiring fast transient response. The 125 MHz bandwidth and 275 V/µs slew rate make it suitable for video processing. Ensure the design accommodates the ±100 mA output current and utilizes the power-down feature for low-power states.

Part Context

The EL2257C series includes variants such as EL2257CN and EL2257CS produced by Elantec and later Intersil Corporation. These op amps were designed to overcome bandwidth limitations of earlier single-supply devices, offering performance metrics significantly higher than typical competitors of their era.

Replacement Considerations

Direct substitutes may include EL2257CS or EL2257CS-T7. Verify pinout compatibility and electrical specifications before substitution.