THS4631DGN

Instrumentation, Op Amps, Buffer Amps Overview

The THS4631DGN is a high-speed FET-input operational amplifier manufactured by Texas Instruments. It features a single channel with a gain-bandwidth product of 210 MHz and a slew rate of 1 kV/us. The device operates on a supply voltage range of 10 V to 30 V, consuming 11.5 mA of quiescent current per channel. Key electrical specifications include an input bias current of 100 pA, an input offset voltage of 260 uV, and a voltage gain of 80 dB. It provides a common-mode rejection ratio of 95 dB and delivers an output current of 95 mA. The component is housed in an MSOP-8 package and supports operation within a temperature range of -40°C to +85°C.

Instrumentation, Op Amps, Buffer Amps Feature Summary

• High-speed performance with 210 MHz bandwidth and 1 kV/us slew rate for fast signal processing
• FET-input architecture providing ultra-low input bias current of 100 pA
• Low noise characteristics with 7 nV/sqrt Hz input voltage noise density
• High open-loop gain of 80 dB and excellent common-mode rejection ratio

Instrumentation, Op Amps, Buffer Amps Applications

• Video buffering and line driving applications
• High-speed data acquisition systems
• Test and measurement equipment requiring precise amplification
• Medical imaging signal conditioning circuits

Instrumentation, Op Amps, Buffer Amps Procurement Notes

Verify the specific suffix 'DGN' corresponds to the MSOP-8 package variant when sourcing. Confirm RoHS compliance status through official manufacturer documentation or authorized distributors. Ensure the operating environment remains within the specified -40°C to +85°C temperature range to maintain guaranteed electrical parameters. Cross-reference datasheet revisions to ensure compatibility with existing design constraints.

Instrumentation, Op Amps, Buffer Amps Selection Notes

Select this component for designs requiring high bandwidth and low input bias current. The MSOP-8 package suits space-constrained surface-mount layouts. Compare against other series members like THS4631DDA if SOIC packaging is preferred. Consider the 11.5 mA quiescent current draw for power budget calculations. Verify that the 95 mA output drive capability meets load requirements without thermal derating issues.

Instrumentation, Op Amps, Buffer Amps Part Context

The THS4631 belongs to Texas Instruments' high-speed operational amplifier family designed for demanding analog signal processing tasks. It utilizes a FET-input stage to minimize loading effects on source circuits. The device is part of a broader portfolio including variants with different packages such as DDA (SOIC) and DGNG (MSOP). This specific model integrates precision internal compensation to ensure stability across various gain configurations.

Instrumentation, Op Amps, Buffer Amps Replacement Considerations

Direct pin-compatible alternatives within the same family include THS4631DDA and THS4631DGNG4. Verify package dimensions and thermal pad requirements when substituting between MSOP and SOIC formats. Check for any differences in electrical specifications or recommended operating conditions before finalizing the replacement.