SN74AUC2G66DCTR

Overview

The SN74AUC2G66DCTR is a dual bilateral analog switch manufactured by Texas Instruments, belonging to the SN74AUC2G series. It features two independent single-pole single-throw (SPST) channels housed in an 8-pin VSSOP surface-mount package. The device operates on a single supply voltage ranging from 0.8 V to 2.7 V. Key electrical specifications include a maximum on-resistance of 15 Ohms, a maximum propagation delay of 2.3 ns, and a maximum off-time of 2 ns. It supports a DC switch current of 100 mA with a maximum power supply current of 10 uA. The component functions reliably within an operating temperature range of -40°C to +85°C.

Feature Summary

• Dual-channel configuration providing two independent SPST analog switches for signal routing
• Low on-resistance characteristic ensuring minimal signal attenuation across the conduction path
• High-speed switching capability suitable for high-frequency data transmission applications
• Ultra-low power consumption design optimized for battery-operated portable devices

Applications

• Portable consumer electronics requiring low-voltage signal switching
• Battery-powered systems where power efficiency is critical
• Communication equipment utilizing high-speed data lines
• Industrial control systems operating in extended temperature environments

Procurement Notes

Verify the specific ordering suffix DCTR against official Texas Instruments documentation to confirm the tape-and-reel packaging format. Ensure compatibility with standard surface-mount assembly processes. Confirm RoHS compliance status through the manufacturer's latest product information sheet. Validate that the 8-VSSOP package dimensions align with the target PCB footprint requirements before finalizing procurement orders.

Selection Notes

Select this component when designing circuits requiring dual analog switching under low voltage conditions between 0.8 V and 2.7 V. The SN74AUC2G66DCTR is appropriate for applications demanding fast switching speeds and low power dissipation. Consider the 15 Ohm on-resistance limit when evaluating signal integrity requirements. The VSSOP-8 package offers a compact solution for space-constrained designs compared to larger industrial packages.

Part Context

This part belongs to the Texas Instruments SN74AUC2G family of ultra-low voltage logic devices. The family is characterized by operation down to 0.8 V and high-speed performance. The SN74AUC2G66 specifically provides bilateral analog switching functionality. Other members in the series may offer different logic functions or channel counts while sharing similar electrical characteristics and package options.

Replacement Considerations

Direct replacements must match the SN74AUC2G series specifications. Verify equivalent parts such as the SN74AUC2G66DCUR for identical reel packaging or SN74AUC2G66YZPR for alternative DSBGA-8 packaging. Ensure any substitute maintains the 0.8 V to 2.7 V supply range and 15 Ohm on-resistance limits.