TLC2254QDRG4Q1

Instrumentation, Op Amps, Buffer Amps Overview

The Texas Instruments TLC2254QDRG4Q1 is a quad operational amplifier from the automotive-qualified TLC225x-Q1 family. It features rail-to-rail output swing, low noise of 19 nV/√Hz at 1 kHz, and very low power consumption of 35 µA per channel. The device operates with supply voltages ranging from ±2.2 V to ±8 V (4.4 V to 16 V total) and supports an operating temperature range of -40°C to +125°C. Key electrical characteristics include a typical input bias current of 60 pA, a gain-bandwidth product of 200 kHz, and a slew rate of 120 mV/µs.

Instrumentation, Op Amps, Buffer Amps Feature Summary

• Rail-to-rail output performance for increased dynamic range in single or split-supply applications
• Advanced LinCMOS technology providing micropower operation suitable for battery-powered designs
• Low noise density of 19 nV/√Hz at 1 kHz, significantly lower than competitive micropower solutions
• Qualified for automotive applications with ESD protection exceeding 2000 V per MIL-STD-883

Instrumentation, Op Amps, Buffer Amps Applications

• Small-signal conditioning for high-impedance sources such as piezoelectric transducers
• Hand-held monitoring and remote-sensing equipment
• Interfacing with analog-to-digital converters (ADCs)
• Upgrades to standard designs using TLC27L2/L4 or TS27L2/L4 amplifiers

Instrumentation, Op Amps, Buffer Amps Procurement Notes

Verify that the specific ordering suffix 'G4' aligns with the manufacturer's current package option addendum and lead-free status requirements. Confirm the Q1 suffix indicates automotive qualification compliance before integration into production designs. Ensure the SOIC-14 package dimensions match the target PCB footprint constraints.

Instrumentation, Op Amps, Buffer Amps Selection Notes

Select this component when designing for environments requiring wide temperature stability and low power dissipation. The rail-to-rail output capability makes it suitable for low-voltage single-supply systems where maximizing signal swing is critical. Consider the 60 pA input bias current for high-impedance sensor interfaces to minimize loading effects.

Instrumentation, Op Amps, Buffer Amps Part Context

This part belongs to the TLC225x-Q1 family of advanced LinCMOS rail-to-rail very low-power operational amplifiers. It serves as a direct upgrade to previous generations like the TLC27L2/L4, offering improved output dynamic range and lower noise. The Q1 designation signifies that the device meets specific automotive reliability standards set by the manufacturer.

Instrumentation, Op Amps, Buffer Amps Replacement Considerations

TLC2254QDRQ1