OPA2684IDCNR

Instrumentation, Op Amps, Buffer Amps Overview

The OPA2684IDCNR is a dual low-power current-feedback operational amplifier manufactured by Texas Instruments. It operates within a supply voltage range of ±1.4V to ±6V (single supply 2.8V to 12V). Key electrical parameters include a small-signal bandwidth of 170 MHz at a gain of +2, a slew rate of 750 V/µs, and a quiescent current of 3.4 mA per channel. The device features an input offset voltage of ±1.5 mV, input bias currents up to 19.5 µA, and a common-mode rejection ratio of 60 dB. It is housed in an SOT-23-8 package.

Instrumentation, Op Amps, Buffer Amps Feature Summary

• Maintains minimal bandwidth change across varying gain settings due to internal buffer architecture
• Provides exceptional capability for single +5V operation with low output headroom requirements
• Delivers high output drive current exceeding 100mA into standard video loads

Instrumentation, Op Amps, Buffer Amps Applications

• ADC input interface circuits
• Line driver applications
• Differential I/O amplifiers
• Composite video signal processing

Instrumentation, Op Amps, Buffer Amps Procurement Notes

Verify the specific ordering suffix IDCNR corresponds to the SOT-23-8 package and tape-and-reel quantity of 3000 units. Confirm that the component meets RoHS standards as indicated in manufacturer documentation. Ensure handling precautions are observed due to electrostatic discharge sensitivity ratings specified in the datasheet.

Instrumentation, Op Amps, Buffer Amps Selection Notes

Select this component when low power consumption is critical alongside high-speed performance. The current-feedback topology offers gain-independent bandwidth suitable for wideband applications. Consider the OPA2683 for lower power requirements or the OPA2691 for higher output power needs within the same family.

Instrumentation, Op Amps, Buffer Amps Part Context

This device belongs to the OPA2684 series of low-power current-feedback amplifiers. It shares architectural similarities with the OPA684 single-channel variant but provides dual channels in a compact footprint. The series is designed to bridge the gap between general-purpose op amps and high-speed voltage-feedback devices.

Instrumentation, Op Amps, Buffer Amps Replacement Considerations

The OPA2684IDC is the rail-pack equivalent. For pin-compatible alternatives, consider the OPA2683 for lower power or the OPA2691 for higher drive capability.