LMH6683MAX

Instrumentation, Op Amps, Buffer Amps Overview

The LMH6683MAX is a triple-channel, high-speed operational amplifier manufactured by Texas Instruments. It features a gain-bandwidth product of 100 MHz and a slew rate of 940 V/µs. The device operates on a single supply voltage ranging from 3 V to 12 V, with dual supply options between ±1.5 V and ±6 V. Key electrical parameters include an input offset voltage of 7 mV, input bias current of 20 µA, and output drive capability of 80 mA per channel. It utilizes rail-to-rail input architecture and is housed in a 14-pin SOIC package.

Instrumentation, Op Amps, Buffer Amps Feature Summary

• Triple-channel configuration designed for modern video systems
• Rail-to-rail input stage extending below the negative rail
• High slew rate and wide bandwidth for fast settling
• Stable for gains less than -1 and greater than +2

Instrumentation, Op Amps, Buffer Amps Applications

• Video signal processing and distribution
• Differential signaling circuits
• Servo control designs requiring phase stability
• Wideband amplification stages
• Signal conditioning for high-speed data acquisition

Instrumentation, Op Amps, Buffer Amps Procurement Notes

Verify the specific suffix 'MAX/NOPB' against the manufacturer's latest documentation to confirm lead-free compliance and package variant accuracy. Ensure the ordering information matches the exact pinout and thermal characteristics required for the target PCB layout. Cross-reference the datasheet revision date to validate all electrical specifications before finalizing procurement.

Instrumentation, Op Amps, Buffer Amps Selection Notes

Select this component when a triple-channel solution is required for video or wideband applications. It is suitable for designs needing rail-to-rail inputs and high output drive current. Compare performance metrics such as slew rate and bandwidth against dual-channel alternatives if channel count flexibility is needed. Verify power supply constraints align with the specified 3 V to 12 V operating range.

Instrumentation, Op Amps, Buffer Amps Part Context

The LMH6683MAX belongs to the LMH6682/LMH6683 family of high-speed operational amplifiers. This series is fabricated using National Semiconductor's VIP10 process, now under Texas Instruments. The family includes dual and triple versions optimized for video applications, offering a superior ratio of speed to quiescent current consumption compared to previous generations.

Instrumentation, Op Amps, Buffer Amps Replacement Considerations

The LMH6682MAX/NOPB serves as the dual-channel counterpart within the same family. Both devices share similar electrical characteristics and fabrication processes. Verify channel count requirements and pin compatibility before substituting. Consult the official datasheet for detailed comparison of specific performance parameters.

Instrumentation, Op Amps, Buffer Amps FAQ

What is the input signal range capability of the LMH6683MAX?

The input stage design allows the input signal range to extend below the negative rail, supporting rail-to-rail input operation.

Is the LMH6683MAX stable at unity gain?

No, the device is stable for gains less than -1 and greater than +2. It is not recommended for unity gain configurations without careful consideration of stability.

What is the typical differential gain and phase error for video applications?

The device offers excellent video specifications with typical differential gain of ±0.01% and differential phase of ±0.08 degrees.