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The NLAST4051DR2G is a TTL-compatible, single-pole, 8-position analog multiplexer/demultiplexer fabricated in sub-micron Silicon Gate CMOS technology. It features improved on-resistance (RON) specifications and enhanced linearity compared to standard HC4051 devices. The device supports single supply operation from 3.0 V to 5.5 V or dual supply operation up to ±3 V, enabling the transmission of 6 V peak-to-peak signals without coupling capacitors. Address and inhibit logic inputs are standard TTL compatible with over-voltage tolerance up to +6 V regardless of VCC.
Verify the specific ordering suffix against the manufacturer's current datasheet to confirm package type and environmental compliance. The 'DR2' suffix indicates a SOIC-16 package in tape and reel format. Confirm RoHS status as legacy documentation may vary regarding lead-free certification requirements for this specific part number revision.
Select this component when TTL-level digital control is required for analog signal routing. Ensure the operating voltage range matches the application's single or dual supply configuration. Verify that the maximum on-resistance at the target supply voltage meets the signal integrity requirements for the specific load conditions.
This device is an improved version of the MC14051 and MC74HC4051, offering lower on-resistance and better linearity. It maintains pin-for-pin compatibility with industry standard versions of the '4051' family, facilitating direct replacement in existing designs while providing enhanced performance characteristics.
Direct pin-for-pin replacements include the MAX4051 and MAX4051A. Designers should verify that the substitute device meets the specific on-resistance and linearity requirements of the original design.