AD8174ARZ-R7

Specialized Overview

The AD8174ARZ-R7 is a high-speed buffered multiplexer integrating four analog switches and a current feedback amplifier in a 14-lead SOIC package. It operates on dual supplies ranging from ±4 V to ±6 V, consuming 9.7 mA quiescent current with all channels active. The device provides a small-signal bandwidth of 250 MHz at a gain of +2 and achieves a slew rate exceeding 1000 V/μs. Channel switching time is typically 7.5 ns, while the output can drive up to 50 mA. Gain is programmable via external resistors, with recommended values of 549 Ω for RF and RG to achieve optimal frequency response.

Specialized Feature Summary

• Integrates four input channels with a high-speed current feedback output amplifier
• Features fast channel-to-channel switching with minimal transient glitches
• Includes dedicated ENABLE pin for high-impedance output disabling
• Offers SD (Shutdown) pin to reduce power consumption when inactive

Specialized Applications

• Pixel switching for Picture-In-Picture LCD and Plasma displays
• High-speed video routing systems
• Cascaded multiplexer arrays requiring bus isolation

Specialized Procurement Notes

Verify the specific ordering suffix R7 corresponds to the reel packaging configuration required for automated assembly processes. Confirm that the component meets RoHS compliance standards applicable to your manufacturing region. Ensure the supply voltage range aligns with the ±4 V to ±6 V operational limits specified in the datasheet to prevent performance degradation or device damage.

Specialized Selection Notes

Select this component when a 4:1 multiplexing ratio is required alongside significant output drive capability. The internal current feedback amplifier allows for flexible gain setting through external resistors, making it suitable for applications demanding variable signal conditioning. Consider the 14-lead SOIC package constraints regarding thermal dissipation and board space availability during the design phase.

Specialized Part Context

This part belongs to the AD8170/AD8174 family of buffered multiplexers. While the AD8170 provides a 2:1 configuration, the AD8174 expands this to 4:1. Both share identical core amplifier characteristics but differ in switch count and control logic inputs. The ARZ designation indicates a lead-free, halogen-free variant housed in a standard narrow SOIC package.

Specialized Replacement Considerations

Direct functional substitutes within the same family include the AD8170 for reduced channel counts. Cross-family replacements require verification of bandwidth, drive current, and package compatibility. No other specific part numbers are confirmed as direct replacements in the provided documentation.